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-rw-r--r--MAINTAINERS1
-rw-r--r--arch/x86/include/asm/fpu/internal.h30
-rw-r--r--arch/x86/kernel/fpu/signal.c26
-rw-r--r--arch/x86/kernel/fpu/xstate.c41
-rw-r--r--drivers/base/swnode.c16
-rw-r--r--drivers/gpio/Kconfig2
-rw-r--r--drivers/gpio/gpio-mxc.c2
-rw-r--r--drivers/gpio/gpiolib-cdev.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c14
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c6
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c17
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c1
-rw-r--r--drivers/gpu/drm/kmb/kmb_drv.c1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_prime.c17
-rw-r--r--drivers/gpu/drm/panel/panel-samsung-ld9040.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_prime.c16
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c44
-rw-r--r--drivers/i2c/busses/i2c-cp2615.c14
-rw-r--r--drivers/i2c/busses/i2c-i801.c3
-rw-r--r--drivers/i2c/busses/i2c-robotfuzz-osif.c4
-rw-r--r--drivers/i2c/i2c-dev.c2
-rw-r--r--drivers/xen/events/events_base.c11
-rw-r--r--fs/afs/write.c11
-rw-r--r--fs/ceph/dir.c22
-rw-r--r--fs/ceph/file.c17
-rw-r--r--fs/ceph/inode.c2
-rw-r--r--fs/ceph/super.h2
-rw-r--r--fs/netfs/read_helper.c49
-rw-r--r--include/linux/ceph/auth.h4
-rw-r--r--include/uapi/linux/userfaultfd.h4
-rw-r--r--net/ceph/auth.c20
-rw-r--r--net/ceph/auth_none.c5
-rw-r--r--net/ceph/auth_x.c15
-rw-r--r--sound/soc/codecs/rt5645.c49
-rw-r--r--tools/testing/selftests/kvm/set_memory_region_test.c4
-rw-r--r--virt/kvm/kvm_main.c19
39 files changed, 323 insertions, 192 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d959fcbcbe1..0cce91cd5624 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7354,7 +7354,6 @@ F: drivers/net/ethernet/freescale/fs_enet/
F: include/linux/fs_enet_pd.h
FREESCALE SOC SOUND DRIVERS
-M: Timur Tabi <timur@kernel.org>
M: Nicolin Chen <nicoleotsuka@gmail.com>
M: Xiubo Li <Xiubo.Lee@gmail.com>
R: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index fdee23ea4e17..16bf4d4a8159 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -204,6 +204,14 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
asm volatile("fxsaveq %[fx]" : [fx] "=m" (fpu->state.fxsave));
}
+static inline void fxsave(struct fxregs_state *fx)
+{
+ if (IS_ENABLED(CONFIG_X86_32))
+ asm volatile( "fxsave %[fx]" : [fx] "=m" (*fx));
+ else
+ asm volatile("fxsaveq %[fx]" : [fx] "=m" (*fx));
+}
+
/* These macros all use (%edi)/(%rdi) as the single memory argument. */
#define XSAVE ".byte " REX_PREFIX "0x0f,0xae,0x27"
#define XSAVEOPT ".byte " REX_PREFIX "0x0f,0xae,0x37"
@@ -272,28 +280,6 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
* This function is called only during boot time when x86 caps are not set
* up and alternative can not be used yet.
*/
-static inline void copy_xregs_to_kernel_booting(struct xregs_state *xstate)
-{
- u64 mask = xfeatures_mask_all;
- u32 lmask = mask;
- u32 hmask = mask >> 32;
- int err;
-
- WARN_ON(system_state != SYSTEM_BOOTING);
-
- if (boot_cpu_has(X86_FEATURE_XSAVES))
- XSTATE_OP(XSAVES, xstate, lmask, hmask, err);
- else
- XSTATE_OP(XSAVE, xstate, lmask, hmask, err);
-
- /* We should never fault when copying to a kernel buffer: */
- WARN_ON_FPU(err);
-}
-
-/*
- * This function is called only during boot time when x86 caps are not set
- * up and alternative can not be used yet.
- */
static inline void copy_kernel_to_xregs_booting(struct xregs_state *xstate)
{
u64 mask = -1;
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index ec3ae3054792..b7b92cdf3add 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -221,28 +221,18 @@ sanitize_restored_user_xstate(union fpregs_state *state,
if (use_xsave()) {
/*
- * Note: we don't need to zero the reserved bits in the
- * xstate_header here because we either didn't copy them at all,
- * or we checked earlier that they aren't set.
+ * Clear all feature bits which are not set in
+ * user_xfeatures and clear all extended features
+ * for fx_only mode.
*/
+ u64 mask = fx_only ? XFEATURE_MASK_FPSSE : user_xfeatures;
/*
- * 'user_xfeatures' might have bits clear which are
- * set in header->xfeatures. This represents features that
- * were in init state prior to a signal delivery, and need
- * to be reset back to the init state. Clear any user
- * feature bits which are set in the kernel buffer to get
- * them back to the init state.
- *
- * Supervisor state is unchanged by input from userspace.
- * Ensure supervisor state bits stay set and supervisor
- * state is not modified.
+ * Supervisor state has to be preserved. The sigframe
+ * restore can only modify user features, i.e. @mask
+ * cannot contain them.
*/
- if (fx_only)
- header->xfeatures = XFEATURE_MASK_FPSSE;
- else
- header->xfeatures &= user_xfeatures |
- xfeatures_mask_supervisor();
+ header->xfeatures &= mask | xfeatures_mask_supervisor();
}
if (use_fxsr()) {
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index d0eef963aad1..1cadb2faf740 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -441,12 +441,35 @@ static void __init print_xstate_offset_size(void)
}
/*
+ * All supported features have either init state all zeros or are
+ * handled in setup_init_fpu() individually. This is an explicit
+ * feature list and does not use XFEATURE_MASK*SUPPORTED to catch
+ * newly added supported features at build time and make people
+ * actually look at the init state for the new feature.
+ */
+#define XFEATURES_INIT_FPSTATE_HANDLED \
+ (XFEATURE_MASK_FP | \
+ XFEATURE_MASK_SSE | \
+ XFEATURE_MASK_YMM | \
+ XFEATURE_MASK_OPMASK | \
+ XFEATURE_MASK_ZMM_Hi256 | \
+ XFEATURE_MASK_Hi16_ZMM | \
+ XFEATURE_MASK_PKRU | \
+ XFEATURE_MASK_BNDREGS | \
+ XFEATURE_MASK_BNDCSR | \
+ XFEATURE_MASK_PASID)
+
+/*
* setup the xstate image representing the init state
*/
static void __init setup_init_fpu_buf(void)
{
static int on_boot_cpu __initdata = 1;
+ BUILD_BUG_ON((XFEATURE_MASK_USER_SUPPORTED |
+ XFEATURE_MASK_SUPERVISOR_SUPPORTED) !=
+ XFEATURES_INIT_FPSTATE_HANDLED);
+
WARN_ON_FPU(!on_boot_cpu);
on_boot_cpu = 0;
@@ -466,10 +489,22 @@ static void __init setup_init_fpu_buf(void)
copy_kernel_to_xregs_booting(&init_fpstate.xsave);
/*
- * Dump the init state again. This is to identify the init state
- * of any feature which is not represented by all zero's.
+ * All components are now in init state. Read the state back so
+ * that init_fpstate contains all non-zero init state. This only
+ * works with XSAVE, but not with XSAVEOPT and XSAVES because
+ * those use the init optimization which skips writing data for
+ * components in init state.
+ *
+ * XSAVE could be used, but that would require to reshuffle the
+ * data when XSAVES is available because XSAVES uses xstate
+ * compaction. But doing so is a pointless exercise because most
+ * components have an all zeros init state except for the legacy
+ * ones (FP and SSE). Those can be saved with FXSAVE into the
+ * legacy area. Adding new features requires to ensure that init
+ * state is all zeroes or if not to add the necessary handling
+ * here.
*/
- copy_xregs_to_kernel_booting(&init_fpstate.xsave);
+ fxsave(&init_fpstate.fxsave);
}
static int xfeature_uncompacted_offset(int xfeature_nr)
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 3cc11b813f28..d1f1a8240120 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -1045,7 +1045,15 @@ int device_add_software_node(struct device *dev, const struct software_node *nod
}
set_secondary_fwnode(dev, &swnode->fwnode);
- software_node_notify(dev, KOBJ_ADD);
+
+ /*
+ * If the device has been fully registered by the time this function is
+ * called, software_node_notify() must be called separately so that the
+ * symlinks get created and the reference count of the node is kept in
+ * balance.
+ */
+ if (device_is_registered(dev))
+ software_node_notify(dev, KOBJ_ADD);
return 0;
}
@@ -1065,7 +1073,8 @@ void device_remove_software_node(struct device *dev)
if (!swnode)
return;
- software_node_notify(dev, KOBJ_REMOVE);
+ if (device_is_registered(dev))
+ software_node_notify(dev, KOBJ_REMOVE);
set_secondary_fwnode(dev, NULL);
kobject_put(&swnode->kobj);
}
@@ -1119,8 +1128,7 @@ int software_node_notify(struct device *dev, unsigned long action)
switch (action) {
case KOBJ_ADD:
- ret = sysfs_create_link_nowarn(&dev->kobj, &swnode->kobj,
- "software_node");
+ ret = sysfs_create_link(&dev->kobj, &swnode->kobj, "software_node");
if (ret)
break;
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1dd0ec6727fd..3c69b785cb79 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1383,6 +1383,7 @@ config GPIO_TPS68470
config GPIO_TQMX86
tristate "TQ-Systems QTMX86 GPIO"
depends on MFD_TQMX86 || COMPILE_TEST
+ depends on HAS_IOPORT_MAP
select GPIOLIB_IRQCHIP
help
This driver supports GPIO on the TQMX86 IO controller.
@@ -1450,6 +1451,7 @@ menu "PCI GPIO expanders"
config GPIO_AMD8111
tristate "AMD 8111 GPIO driver"
depends on X86 || COMPILE_TEST
+ depends on HAS_IOPORT_MAP
help
The AMD 8111 south bridge contains 32 GPIO pins which can be used.
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 157106e1e438..b9fdf05d7669 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -334,7 +334,7 @@ static int mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
ct->chip.irq_unmask = irq_gc_mask_set_bit;
ct->chip.irq_set_type = gpio_set_irq_type;
ct->chip.irq_set_wake = gpio_set_wake_irq;
- ct->chip.flags = IRQCHIP_MASK_ON_SUSPEND;
+ ct->chip.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND;
ct->regs.ack = GPIO_ISR;
ct->regs.mask = GPIO_IMR;
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 1631727bf0da..c7b5446d01fd 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1880,6 +1880,7 @@ static void gpio_v2_line_info_changed_to_v1(
struct gpio_v2_line_info_changed *lic_v2,
struct gpioline_info_changed *lic_v1)
{
+ memset(lic_v1, 0, sizeof(*lic_v1));
gpio_v2_line_info_to_v1(&lic_v2->info, &lic_v1->info);
lic_v1->timestamp = lic_v2->timestamp_ns;
lic_v1->event_type = lic_v2->event_type;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index c13985fb35be..2a4cd7d377bf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -1047,11 +1047,12 @@ int amdgpu_display_gem_fb_init(struct drm_device *dev,
rfb->base.obj[0] = obj;
drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
- ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+
+ ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj);
if (ret)
goto err;
- ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj);
+ ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
if (ret)
goto err;
@@ -1071,9 +1072,6 @@ int amdgpu_display_gem_fb_verify_and_init(
rfb->base.obj[0] = obj;
drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
- ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
- if (ret)
- goto err;
/* Verify that the modifier is supported. */
if (!drm_any_plane_has_format(dev, mode_cmd->pixel_format,
mode_cmd->modifier[0])) {
@@ -1092,6 +1090,10 @@ int amdgpu_display_gem_fb_verify_and_init(
if (ret)
goto err;
+ ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+ if (ret)
+ goto err;
+
return 0;
err:
drm_dbg_kms(dev, "Failed to verify and init gem fb: %d\n", ret);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index baa980a477d9..37ec59365080 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -214,9 +214,21 @@ static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach)
{
struct drm_gem_object *obj = attach->dmabuf->priv;
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
+ int r;
/* pin buffer into GTT */
- return amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
+ r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
+ if (r)
+ return r;
+
+ if (bo->tbo.moving) {
+ r = dma_fence_wait(bo->tbo.moving, true);
+ if (r) {
+ amdgpu_bo_unpin(bo);
+ return r;
+ }
+ }
+ return 0;
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 327b1f8213a8..0597aeb5f0e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6871,12 +6871,8 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring)
if (ring->use_doorbell) {
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
(adev->doorbell_index.kiq * 2) << 2);
- /* If GC has entered CGPG, ringing doorbell > first page doesn't
- * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
- * this issue.
- */
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
- (adev->doorbell.size - 4));
+ (adev->doorbell_index.userqueue_end * 2) << 2);
}
WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index c09225d065c2..516467e962b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3673,12 +3673,8 @@ static int gfx_v9_0_kiq_init_register(struct amdgpu_ring *ring)
if (ring->use_doorbell) {
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
(adev->doorbell_index.kiq * 2) << 2);
- /* If GC has entered CGPG, ringing doorbell > first page doesn't
- * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
- * this issue.
- */
WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
- (adev->doorbell.size - 4));
+ (adev->doorbell_index.userqueue_end * 2) << 2);
}
WREG32_SOC15_RLC(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index 05ad75d155e8..cfe4fc69277e 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -232,7 +232,6 @@ static void atmel_hlcdc_crtc_atomic_enable(struct drm_crtc *c,
pm_runtime_put_sync(dev->dev);
- drm_crtc_vblank_on(c);
}
#define ATMEL_HLCDC_RGB444_OUTPUT BIT(0)
@@ -344,7 +343,16 @@ static int atmel_hlcdc_crtc_atomic_check(struct drm_crtc *c,
static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c,
struct drm_atomic_state *state)
{
+ drm_crtc_vblank_on(c);
+}
+
+static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *c,
+ struct drm_atomic_state *state)
+{
struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c);
+ unsigned long flags;
+
+ spin_lock_irqsave(&c->dev->event_lock, flags);
if (c->state->event) {
c->state->event->pipe = drm_crtc_index(c);
@@ -354,12 +362,7 @@ static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c,
crtc->event = c->state->event;
c->state->event = NULL;
}
-}
-
-static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc,
- struct drm_atomic_state *state)
-{
- /* TODO: write common plane control register if available */
+ spin_unlock_irqrestore(&c->dev->event_lock, flags);
}
static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index 65af56e47129..f09b6dd8754c 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -593,6 +593,7 @@ static int atmel_hlcdc_dc_modeset_init(struct drm_device *dev)
dev->mode_config.max_width = dc->desc->max_width;
dev->mode_config.max_height = dc->desc->max_height;
dev->mode_config.funcs = &mode_config_funcs;
+ dev->mode_config.async_page_flip = true;
return 0;
}
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index f64e06e1067d..96ea1a2c11dd 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -137,6 +137,7 @@ static int kmb_hw_init(struct drm_device *drm, unsigned long flags)
/* Allocate LCD interrupt resources */
irq_lcd = platform_get_irq(pdev, 0);
if (irq_lcd < 0) {
+ ret = irq_lcd;
drm_err(&kmb->drm, "irq_lcd not found");
goto setup_fail;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 3e09df0472ce..170aba99a110 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -546,7 +546,7 @@ nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
int i, j;
- if (!ttm_dma)
+ if (!ttm_dma || !ttm_dma->dma_address)
return;
if (!ttm_dma->pages) {
NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma);
@@ -582,7 +582,7 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
int i, j;
- if (!ttm_dma)
+ if (!ttm_dma || !ttm_dma->dma_address)
return;
if (!ttm_dma->pages) {
NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma);
diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index 347488685f74..60019d0532fc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -93,7 +93,22 @@ int nouveau_gem_prime_pin(struct drm_gem_object *obj)
if (ret)
return -EINVAL;
- return 0;
+ ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
+ if (ret)
+ goto error;
+
+ if (nvbo->bo.moving)
+ ret = dma_fence_wait(nvbo->bo.moving, true);
+
+ ttm_bo_unreserve(&nvbo->bo);
+ if (ret)
+ goto error;
+
+ return ret;
+
+error:
+ nouveau_bo_unpin(nvbo);
+ return ret;
}
void nouveau_gem_prime_unpin(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c
index f484147fc3a6..c4b388850a13 100644
--- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c
+++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c
@@ -383,6 +383,7 @@ MODULE_DEVICE_TABLE(spi, ld9040_ids);
static struct spi_driver ld9040_driver = {
.probe = ld9040_probe,
.remove = ld9040_remove,
+ .id_table = ld9040_ids,
.driver = {
.name = "panel-samsung-ld9040",
.of_match_table = ld9040_of_match,
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index 42a87948e28c..4a90807351e7 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -77,9 +77,19 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
/* pin buffer into GTT */
ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL);
- if (likely(ret == 0))
- bo->prime_shared_count++;
-
+ if (unlikely(ret))
+ goto error;
+
+ if (bo->tbo.moving) {
+ ret = dma_fence_wait(bo->tbo.moving, false);
+ if (unlikely(ret)) {
+ radeon_bo_unpin(bo);
+ goto error;
+ }
+ }
+
+ bo->prime_shared_count++;
+error:
radeon_bo_unreserve(bo);
return ret;
}
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 1fda574579af..8106b5634fe1 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -159,6 +159,8 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector);
bool connected = false;
+ WARN_ON(pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev));
+
if (vc4_hdmi->hpd_gpio) {
if (gpio_get_value_cansleep(vc4_hdmi->hpd_gpio) ^
vc4_hdmi->hpd_active_low)
@@ -180,10 +182,12 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
}
}
+ pm_runtime_put(&vc4_hdmi->pdev->dev);
return connector_status_connected;
}
cec_phys_addr_invalidate(vc4_hdmi->cec_adap);
+ pm_runtime_put(&vc4_hdmi->pdev->dev);
return connector_status_disconnected;
}
@@ -473,7 +477,6 @@ static void vc4_hdmi_encoder_post_crtc_powerdown(struct drm_encoder *encoder,
HDMI_READ(HDMI_VID_CTL) & ~VC4_HD_VID_CTL_ENABLE);
clk_disable_unprepare(vc4_hdmi->pixel_bvb_clock);
- clk_disable_unprepare(vc4_hdmi->hsm_clock);
clk_disable_unprepare(vc4_hdmi->pixel_clock);
ret = pm_runtime_put(&vc4_hdmi->pdev->dev);
@@ -784,13 +787,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder,
return;
}
- ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
- if (ret) {
- DRM_ERROR("Failed to turn on HSM clock: %d\n", ret);
- clk_disable_unprepare(vc4_hdmi->pixel_clock);
- return;
- }
-
vc4_hdmi_cec_update_clk_div(vc4_hdmi);
/*
@@ -801,7 +797,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder,
(hsm_rate > VC4_HSM_MID_CLOCK ? 150000000 : 75000000));
if (ret) {
DRM_ERROR("Failed to set pixel bvb clock rate: %d\n", ret);
- clk_disable_unprepare(vc4_hdmi->hsm_clock);
clk_disable_unprepare(vc4_hdmi->pixel_clock);
return;
}
@@ -809,7 +804,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder,
ret = clk_prepare_enable(vc4_hdmi->pixel_bvb_clock);
if (ret) {
DRM_ERROR("Failed to turn on pixel bvb clock: %d\n", ret);
- clk_disable_unprepare(vc4_hdmi->hsm_clock);
clk_disable_unprepare(vc4_hdmi->pixel_clock);
return;
}
@@ -1929,6 +1923,29 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
return 0;
}
+#ifdef CONFIG_PM
+static int vc4_hdmi_runtime_suspend(struct device *dev)
+{
+ struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
+
+ clk_disable_unprepare(vc4_hdmi->hsm_clock);
+
+ return 0;
+}
+
+static int vc4_hdmi_runtime_resume(struct device *dev)
+{
+ struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+#endif
+
static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
{
const struct vc4_hdmi_variant *variant = of_device_get_match_data(dev);
@@ -2165,11 +2182,18 @@ static const struct of_device_id vc4_hdmi_dt_match[] = {
{}
};
+static const struct dev_pm_ops vc4_hdmi_pm_ops = {
+ SET_RUNTIME_PM_OPS(vc4_hdmi_runtime_suspend,
+ vc4_hdmi_runtime_resume,
+ NULL)
+};
+
struct platform_driver vc4_hdmi_driver = {
.probe = vc4_hdmi_dev_probe,
.remove = vc4_hdmi_dev_remove,
.driver = {
.name = "vc4_hdmi",
.of_match_table = vc4_hdmi_dt_match,
+ .pm = &vc4_hdmi_pm_ops,
},
};
diff --git a/drivers/i2c/busses/i2c-cp2615.c b/drivers/i2c/busses/i2c-cp2615.c
index 78cfecd1ea76..3ded28632e4c 100644
--- a/drivers/i2c/busses/i2c-cp2615.c
+++ b/drivers/i2c/busses/i2c-cp2615.c
@@ -138,17 +138,23 @@ cp2615_i2c_send(struct usb_interface *usbif, struct cp2615_i2c_transfer *i2c_w)
static int
cp2615_i2c_recv(struct usb_interface *usbif, unsigned char tag, void *buf)
{
- struct cp2615_iop_msg *msg = kzalloc(sizeof(*msg), GFP_KERNEL);
- struct cp2615_i2c_transfer_result *i2c_r = (struct cp2615_i2c_transfer_result *)&msg->data;
struct usb_device *usbdev = interface_to_usbdev(usbif);
- int res = usb_bulk_msg(usbdev, usb_rcvbulkpipe(usbdev, IOP_EP_IN),
- msg, sizeof(struct cp2615_iop_msg), NULL, 0);
+ struct cp2615_iop_msg *msg;
+ struct cp2615_i2c_transfer_result *i2c_r;
+ int res;
+
+ msg = kzalloc(sizeof(*msg), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+ res = usb_bulk_msg(usbdev, usb_rcvbulkpipe(usbdev, IOP_EP_IN), msg,
+ sizeof(struct cp2615_iop_msg), NULL, 0);
if (res < 0) {
kfree(msg);
return res;
}
+ i2c_r = (struct cp2615_i2c_transfer_result *)&msg->data;
if (msg->msg != htons(iop_I2cTransferResult) || i2c_r->tag != tag) {
kfree(msg);
return -EIO;
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index f9e1c2ceaac0..04a1e38f2a6f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -978,6 +978,9 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr,
}
out:
+ /* Unlock the SMBus device for use by BIOS/ACPI */
+ outb_p(SMBHSTSTS_INUSE_STS, SMBHSTSTS(priv));
+
pm_runtime_mark_last_busy(&priv->pci_dev->dev);
pm_runtime_put_autosuspend(&priv->pci_dev->dev);
mutex_unlock(&priv->acpi_lock);
diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c
index a39f7d092797..66dfa211e736 100644
--- a/drivers/i2c/busses/i2c-robotfuzz-osif.c
+++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c
@@ -83,7 +83,7 @@ static int osif_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
}
}
- ret = osif_usb_read(adapter, OSIFI2C_STOP, 0, 0, NULL, 0);
+ ret = osif_usb_write(adapter, OSIFI2C_STOP, 0, 0, NULL, 0);
if (ret) {
dev_err(&adapter->dev, "failure sending STOP\n");
return -EREMOTEIO;
@@ -153,7 +153,7 @@ static int osif_probe(struct usb_interface *interface,
* Set bus frequency. The frequency is:
* 120,000,000 / ( 16 + 2 * div * 4^prescale).
* Using dev = 52, prescale = 0 give 100KHz */
- ret = osif_usb_read(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0,
+ ret = osif_usb_write(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0,
NULL, 0);
if (ret) {
dev_err(&interface->dev, "failure sending bit rate");
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 6ef38a8ee95c..cb64fe649390 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -526,7 +526,7 @@ static long compat_i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned lo
return put_user(funcs, (compat_ulong_t __user *)arg);
case I2C_RDWR: {
struct i2c_rdwr_ioctl_data32 rdwr_arg;
- struct i2c_msg32 *p;
+ struct i2c_msg32 __user *p;
struct i2c_msg *rdwr_pa;
int i;
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 7bbfd58958bc..d7e361fb0548 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -642,6 +642,9 @@ static void xen_irq_lateeoi_locked(struct irq_info *info, bool spurious)
}
info->eoi_time = 0;
+
+ /* is_active hasn't been reset yet, do it now. */
+ smp_store_release(&info->is_active, 0);
do_unmask(info, EVT_MASK_REASON_EOI_PENDING);
}
@@ -811,6 +814,7 @@ static void xen_evtchn_close(evtchn_port_t port)
BUG();
}
+/* Not called for lateeoi events. */
static void event_handler_exit(struct irq_info *info)
{
smp_store_release(&info->is_active, 0);
@@ -1883,7 +1887,12 @@ static void lateeoi_ack_dynirq(struct irq_data *data)
if (VALID_EVTCHN(evtchn)) {
do_mask(info, EVT_MASK_REASON_EOI_PENDING);
- event_handler_exit(info);
+ /*
+ * Don't call event_handler_exit().
+ * Need to keep is_active non-zero in order to ignore re-raised
+ * events after cpu affinity changes while a lateeoi is pending.
+ */
+ clear_evtchn(evtchn);
}
}
diff --git a/fs/afs/write.c b/fs/afs/write.c
index e9ccaa3baf2e..3104b62c2082 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -118,6 +118,15 @@ int afs_write_end(struct file *file, struct address_space *mapping,
_enter("{%llx:%llu},{%lx}",
vnode->fid.vid, vnode->fid.vnode, page->index);
+ if (!PageUptodate(page)) {
+ if (copied < len) {
+ copied = 0;
+ goto out;
+ }
+
+ SetPageUptodate(page);
+ }
+
if (copied == 0)
goto out;
@@ -132,8 +141,6 @@ int afs_write_end(struct file *file, struct address_space *mapping,
write_sequnlock(&vnode->cb_lock);
}
- ASSERT(PageUptodate(page));
-
if (PagePrivate(page)) {
priv = page_private(page);
f = afs_page_dirty_from(page, priv);
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 5624fae7a603..9ba79b6531fb 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -668,14 +668,13 @@ out:
* Handle lookups for the hidden .snap directory.
*/
struct dentry *ceph_handle_snapdir(struct ceph_mds_request *req,
- struct dentry *dentry, int err)
+ struct dentry *dentry)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
struct inode *parent = d_inode(dentry->d_parent); /* we hold i_mutex */
/* .snap dir? */
- if (err == -ENOENT &&
- ceph_snap(parent) == CEPH_NOSNAP &&
+ if (ceph_snap(parent) == CEPH_NOSNAP &&
strcmp(dentry->d_name.name, fsc->mount_options->snapdir_name) == 0) {
struct dentry *res;
struct inode *inode = ceph_get_snapdir(parent);
@@ -742,7 +741,6 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_mds_request *req;
- struct dentry *res;
int op;
int mask;
int err;
@@ -793,12 +791,16 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
req->r_parent = dir;
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
err = ceph_mdsc_do_request(mdsc, NULL, req);
- res = ceph_handle_snapdir(req, dentry, err);
- if (IS_ERR(res)) {
- err = PTR_ERR(res);
- } else {
- dentry = res;
- err = 0;
+ if (err == -ENOENT) {
+ struct dentry *res;
+
+ res = ceph_handle_snapdir(req, dentry);
+ if (IS_ERR(res)) {
+ err = PTR_ERR(res);
+ } else {
+ dentry = res;
+ err = 0;
+ }
}
dentry = ceph_finish_lookup(req, dentry, err);
ceph_mdsc_put_request(req); /* will dput(dentry) */
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 77fc037d5beb..d51af3698032 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -578,6 +578,7 @@ static int ceph_finish_async_create(struct inode *dir, struct dentry *dentry,
struct ceph_inode_info *ci = ceph_inode(dir);
struct inode *inode;
struct timespec64 now;
+ struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_vino vino = { .ino = req->r_deleg_ino,
.snap = CEPH_NOSNAP };
@@ -615,8 +616,10 @@ static int ceph_finish_async_create(struct inode *dir, struct dentry *dentry,
ceph_file_layout_to_legacy(lo, &in.layout);
+ down_read(&mdsc->snap_rwsem);
ret = ceph_fill_inode(inode, NULL, &iinfo, NULL, req->r_session,
req->r_fmode, NULL);
+ up_read(&mdsc->snap_rwsem);
if (ret) {
dout("%s failed to fill inode: %d\n", __func__, ret);
ceph_dir_clear_complete(dir);
@@ -739,14 +742,16 @@ retry:
err = ceph_mdsc_do_request(mdsc,
(flags & (O_CREAT|O_TRUNC)) ? dir : NULL,
req);
- dentry = ceph_handle_snapdir(req, dentry, err);
- if (IS_ERR(dentry)) {
- err = PTR_ERR(dentry);
- goto out_req;
+ if (err == -ENOENT) {
+ dentry = ceph_handle_snapdir(req, dentry);
+ if (IS_ERR(dentry)) {
+ err = PTR_ERR(dentry);
+ goto out_req;
+ }
+ err = 0;
}
- err = 0;
- if ((flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
+ if (!err && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
err = ceph_handle_notrace_create(dir, dentry);
if (d_in_lookup(dentry)) {
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index e1c63adb196d..df0c8a724609 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -777,6 +777,8 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page,
umode_t mode = le32_to_cpu(info->mode);
dev_t rdev = le32_to_cpu(info->rdev);
+ lockdep_assert_held(&mdsc->snap_rwsem);
+
dout("%s %p ino %llx.%llx v %llu had %llu\n", __func__,
inode, ceph_vinop(inode), le64_to_cpu(info->version),
ci->i_version);
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index db80d89556b1..839e6b0239ee 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1218,7 +1218,7 @@ extern const struct dentry_operations ceph_dentry_ops;
extern loff_t ceph_make_fpos(unsigned high, unsigned off, bool hash_order);
extern int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry);
extern struct dentry *ceph_handle_snapdir(struct ceph_mds_request *req,
- struct dentry *dentry, int err);
+ struct dentry *dentry);
extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
struct dentry *dentry, int err);
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 725614625ed4..0b6cd3b8734c 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c
@@ -1011,12 +1011,42 @@ out:
}
EXPORT_SYMBOL(netfs_readpage);
-static void netfs_clear_thp(struct page *page)
+/**
+ * netfs_skip_page_read - prep a page for writing without reading first
+ * @page: page being prepared
+ * @pos: starting position for the write
+ * @len: length of write
+ *
+ * In some cases, write_begin doesn't need to read at all:
+ * - full page write
+ * - write that lies in a page that is completely beyond EOF
+ * - write that covers the the page from start to EOF or beyond it
+ *
+ * If any of these criteria are met, then zero out the unwritten parts
+ * of the page and return true. Otherwise, return false.
+ */
+static bool netfs_skip_page_read(struct page *page, loff_t pos, size_t len)
{
- unsigned int i;
+ struct inode *inode = page->mapping->host;
+ loff_t i_size = i_size_read(inode);
+ size_t offset = offset_in_thp(page, pos);
+
+ /* Full page write */
+ if (offset == 0 && len >= thp_size(page))
+ return true;
+
+ /* pos beyond last page in the file */
+ if (pos - offset >= i_size)
+ goto zero_out;
+
+ /* Write that covers from the start of the page to EOF or beyond */
+ if (offset == 0 && (pos + len) >= i_size)
+ goto zero_out;
- for (i = 0; i < thp_nr_pages(page); i++)
- clear_highpage(page + i);
+ return false;
+zero_out:
+ zero_user_segments(page, 0, offset, offset + len, thp_size(page));
+ return true;
}
/**
@@ -1024,7 +1054,7 @@ static void netfs_clear_thp(struct page *page)
* @file: The file to read from
* @mapping: The mapping to read from
* @pos: File position at which the write will begin
- * @len: The length of the write in this page
+ * @len: The length of the write (may extend beyond the end of the page chosen)
* @flags: AOP_* flags
* @_page: Where to put the resultant page
* @_fsdata: Place for the netfs to store a cookie
@@ -1061,8 +1091,6 @@ int netfs_write_begin(struct file *file, struct address_space *mapping,
struct inode *inode = file_inode(file);
unsigned int debug_index = 0;
pgoff_t index = pos >> PAGE_SHIFT;
- int pos_in_page = pos & ~PAGE_MASK;
- loff_t size;
int ret;
DEFINE_READAHEAD(ractl, file, NULL, mapping, index);
@@ -1090,13 +1118,8 @@ retry:
* within the cache granule containing the EOF, in which case we need
* to preload the granule.
*/
- size = i_size_read(inode);
if (!ops->is_cache_enabled(inode) &&
- ((pos_in_page == 0 && len == thp_size(page)) ||
- (pos >= size) ||
- (pos_in_page == 0 && (pos + len) >= size))) {
- netfs_clear_thp(page);
- SetPageUptodate(page);
+ netfs_skip_page_read(page, pos, len)) {
netfs_stat(&netfs_n_rh_write_zskip);
goto have_page_no_wait;
}
diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index 71b5d481c653..6b138fa97db8 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -50,7 +50,7 @@ struct ceph_auth_client_ops {
* another request.
*/
int (*build_request)(struct ceph_auth_client *ac, void *buf, void *end);
- int (*handle_reply)(struct ceph_auth_client *ac, int result,
+ int (*handle_reply)(struct ceph_auth_client *ac, u64 global_id,
void *buf, void *end, u8 *session_key,
int *session_key_len, u8 *con_secret,
int *con_secret_len);
@@ -104,6 +104,8 @@ struct ceph_auth_client {
struct mutex mutex;
};
+void ceph_auth_set_global_id(struct ceph_auth_client *ac, u64 global_id);
+
struct ceph_auth_client *ceph_auth_init(const char *name,
const struct ceph_crypto_key *key,
const int *con_modes);
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index bafbeb1a2624..650480f41f1d 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -80,8 +80,8 @@
struct uffdio_zeropage)
#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
struct uffdio_writeprotect)
-#define UFFDIO_CONTINUE _IOR(UFFDIO, _UFFDIO_CONTINUE, \
- struct uffdio_continue)
+#define UFFDIO_CONTINUE _IOWR(UFFDIO, _UFFDIO_CONTINUE, \
+ struct uffdio_continue)
/* read() structure */
struct uffd_msg {
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index de407e8feb97..d2b268a1838e 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -36,7 +36,7 @@ static int init_protocol(struct ceph_auth_client *ac, int proto)
}
}
-static void set_global_id(struct ceph_auth_client *ac, u64 global_id)
+void ceph_auth_set_global_id(struct ceph_auth_client *ac, u64 global_id)
{
dout("%s global_id %llu\n", __func__, global_id);
@@ -260,19 +260,22 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
ac->negotiating = false;
}
- ret = ac->ops->handle_reply(ac, result, payload, payload_end,
+ if (result) {
+ pr_err("auth protocol '%s' mauth authentication failed: %d\n",
+ ceph_auth_proto_name(ac->protocol), result);
+ ret = result;
+ goto out;
+ }
+
+ ret = ac->ops->handle_reply(ac, global_id, payload, payload_end,
NULL, NULL, NULL, NULL);
if (ret == -EAGAIN) {
ret = build_request(ac, true, reply_buf, reply_len);
goto out;
} else if (ret) {
- pr_err("auth protocol '%s' mauth authentication failed: %d\n",
- ceph_auth_proto_name(ac->protocol), result);
goto out;
}
- set_global_id(ac, global_id);
-
out:
mutex_unlock(&ac->mutex);
return ret;
@@ -498,11 +501,10 @@ int ceph_auth_handle_reply_done(struct ceph_auth_client *ac,
int ret;
mutex_lock(&ac->mutex);
- ret = ac->ops->handle_reply(ac, 0, reply, reply + reply_len,
+ ret = ac->ops->handle_reply(ac, global_id, reply, reply + reply_len,
session_key, session_key_len,
con_secret, con_secret_len);
- if (!ret)
- set_global_id(ac, global_id);
+ WARN_ON(ret == -EAGAIN || ret > 0);
mutex_unlock(&ac->mutex);
return ret;
}
diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index 70e86e462250..097e9f8d87a7 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -69,7 +69,7 @@ static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
* the generic auth code decode the global_id, and we carry no actual
* authenticate state, so nothing happens here.
*/
-static int handle_reply(struct ceph_auth_client *ac, int result,
+static int handle_reply(struct ceph_auth_client *ac, u64 global_id,
void *buf, void *end, u8 *session_key,
int *session_key_len, u8 *con_secret,
int *con_secret_len)
@@ -77,7 +77,8 @@ static int handle_reply(struct ceph_auth_client *ac, int result,
struct ceph_auth_none_info *xi = ac->private;
xi->starting = false;
- return result;
+ ceph_auth_set_global_id(ac, global_id);
+ return 0;
}
static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a)
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 79641c4afee9..b71b1635916e 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -597,7 +597,7 @@ bad:
return -EINVAL;
}
-static int handle_auth_session_key(struct ceph_auth_client *ac,
+static int handle_auth_session_key(struct ceph_auth_client *ac, u64 global_id,
void **p, void *end,
u8 *session_key, int *session_key_len,
u8 *con_secret, int *con_secret_len)
@@ -613,6 +613,7 @@ static int handle_auth_session_key(struct ceph_auth_client *ac,
if (ret)
return ret;
+ ceph_auth_set_global_id(ac, global_id);
if (*p == end) {
/* pre-nautilus (or didn't request service tickets!) */
WARN_ON(session_key || con_secret);
@@ -661,7 +662,7 @@ e_inval:
return -EINVAL;
}
-static int ceph_x_handle_reply(struct ceph_auth_client *ac, int result,
+static int ceph_x_handle_reply(struct ceph_auth_client *ac, u64 global_id,
void *buf, void *end,
u8 *session_key, int *session_key_len,
u8 *con_secret, int *con_secret_len)
@@ -669,13 +670,11 @@ static int ceph_x_handle_reply(struct ceph_auth_client *ac, int result,
struct ceph_x_info *xi = ac->private;
struct ceph_x_ticket_handler *th;
int len = end - buf;
+ int result;
void *p;
int op;
int ret;
- if (result)
- return result; /* XXX hmm? */
-
if (xi->starting) {
/* it's a hello */
struct ceph_x_server_challenge *sc = buf;
@@ -697,9 +696,9 @@ static int ceph_x_handle_reply(struct ceph_auth_client *ac, int result,
switch (op) {
case CEPHX_GET_AUTH_SESSION_KEY:
/* AUTH ticket + [connection secret] + service tickets */
- ret = handle_auth_session_key(ac, &p, end, session_key,
- session_key_len, con_secret,
- con_secret_len);
+ ret = handle_auth_session_key(ac, global_id, &p, end,
+ session_key, session_key_len,
+ con_secret, con_secret_len);
break;
case CEPHX_GET_PRINCIPAL_SESSION_KEY:
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 438fa18bcb55..9408ee63cb26 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3388,44 +3388,30 @@ static int rt5645_probe(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct rt5645_priv *rt5645 = snd_soc_component_get_drvdata(component);
- int ret = 0;
rt5645->component = component;
switch (rt5645->codec_type) {
case CODEC_TYPE_RT5645:
- ret = snd_soc_dapm_new_controls(dapm,
+ snd_soc_dapm_new_controls(dapm,
rt5645_specific_dapm_widgets,
ARRAY_SIZE(rt5645_specific_dapm_widgets));
- if (ret < 0)
- goto exit;
-
- ret = snd_soc_dapm_add_routes(dapm,
+ snd_soc_dapm_add_routes(dapm,
rt5645_specific_dapm_routes,
ARRAY_SIZE(rt5645_specific_dapm_routes));
- if (ret < 0)
- goto exit;
-
if (rt5645->v_id < 3) {
- ret = snd_soc_dapm_add_routes(dapm,
+ snd_soc_dapm_add_routes(dapm,
rt5645_old_dapm_routes,
ARRAY_SIZE(rt5645_old_dapm_routes));
- if (ret < 0)
- goto exit;
}
break;
case CODEC_TYPE_RT5650:
- ret = snd_soc_dapm_new_controls(dapm,
+ snd_soc_dapm_new_controls(dapm,
rt5650_specific_dapm_widgets,
ARRAY_SIZE(rt5650_specific_dapm_widgets));
- if (ret < 0)
- goto exit;
-
- ret = snd_soc_dapm_add_routes(dapm,
+ snd_soc_dapm_add_routes(dapm,
rt5650_specific_dapm_routes,
ARRAY_SIZE(rt5650_specific_dapm_routes));
- if (ret < 0)
- goto exit;
break;
}
@@ -3433,17 +3419,9 @@ static int rt5645_probe(struct snd_soc_component *component)
/* for JD function */
if (rt5645->pdata.jd_mode) {
- ret = snd_soc_dapm_force_enable_pin(dapm, "JD Power");
- if (ret < 0)
- goto exit;
-
- ret = snd_soc_dapm_force_enable_pin(dapm, "LDO2");
- if (ret < 0)
- goto exit;
-
- ret = snd_soc_dapm_sync(dapm);
- if (ret < 0)
- goto exit;
+ snd_soc_dapm_force_enable_pin(dapm, "JD Power");
+ snd_soc_dapm_force_enable_pin(dapm, "LDO2");
+ snd_soc_dapm_sync(dapm);
}
if (rt5645->pdata.long_name)
@@ -3454,14 +3432,9 @@ static int rt5645_probe(struct snd_soc_component *component)
GFP_KERNEL);
if (!rt5645->eq_param)
- ret = -ENOMEM;
-exit:
- /*
- * If there was an error above, everything will be cleaned up by the
- * caller if we return an error here. This will be done with a later
- * call to rt5645_remove().
- */
- return ret;
+ return -ENOMEM;
+
+ return 0;
}
static void rt5645_remove(struct snd_soc_component *component)
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index 978f5b5f4dc0..d8812f27648c 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -376,7 +376,7 @@ static void test_add_max_memory_regions(void)
pr_info("Adding slots 0..%i, each memory region with %dK size\n",
(max_mem_slots - 1), MEM_REGION_SIZE >> 10);
- mem = mmap(NULL, MEM_REGION_SIZE * max_mem_slots + alignment,
+ mem = mmap(NULL, (size_t)max_mem_slots * MEM_REGION_SIZE + alignment,
PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
TEST_ASSERT(mem != MAP_FAILED, "Failed to mmap() host");
mem_aligned = (void *)(((size_t) mem + alignment - 1) & ~(alignment - 1));
@@ -401,7 +401,7 @@ static void test_add_max_memory_regions(void)
TEST_ASSERT(ret == -1 && errno == EINVAL,
"Adding one more memory slot should fail with EINVAL");
- munmap(mem, MEM_REGION_SIZE * max_mem_slots + alignment);
+ munmap(mem, (size_t)max_mem_slots * MEM_REGION_SIZE + alignment);
munmap(mem_extra, MEM_REGION_SIZE);
kvm_vm_free(vm);
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 6a6bc7af0e28..46fb042837d2 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2055,6 +2055,13 @@ static bool vma_is_valid(struct vm_area_struct *vma, bool write_fault)
return true;
}
+static int kvm_try_get_pfn(kvm_pfn_t pfn)
+{
+ if (kvm_is_reserved_pfn(pfn))
+ return 1;
+ return get_page_unless_zero(pfn_to_page(pfn));
+}
+
static int hva_to_pfn_remapped(struct vm_area_struct *vma,
unsigned long addr, bool *async,
bool write_fault, bool *writable,
@@ -2104,13 +2111,21 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma,
* Whoever called remap_pfn_range is also going to call e.g.
* unmap_mapping_range before the underlying pages are freed,
* causing a call to our MMU notifier.
+ *
+ * Certain IO or PFNMAP mappings can be backed with valid
+ * struct pages, but be allocated without refcounting e.g.,
+ * tail pages of non-compound higher order allocations, which
+ * would then underflow the refcount when the caller does the
+ * required put_page. Don't allow those pages here.
*/
- kvm_get_pfn(pfn);
+ if (!kvm_try_get_pfn(pfn))
+ r = -EFAULT;
out:
pte_unmap_unlock(ptep, ptl);
*p_pfn = pfn;
- return 0;
+
+ return r;
}
/*