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-rw-r--r--arch/arm/include/asm/dma-mapping.h13
-rw-r--r--arch/arm/include/asm/mach/map.h13
-rw-r--r--arch/arm/mach-clps711x/include/mach/hardware.h22
-rw-r--r--arch/arm/mach-clps7500/core.c6
-rw-r--r--arch/arm/mach-clps7500/include/mach/hardware.h6
-rw-r--r--arch/arm/mach-h720x/include/mach/boards.h6
-rw-r--r--arch/arm/mach-integrator/include/mach/platform.h19
-rw-r--r--arch/arm/mach-realview/clock.c2
-rw-r--r--arch/arm/mach-realview/include/mach/platform.h19
-rw-r--r--arch/arm/mach-versatile/clock.c2
-rw-r--r--arch/arm/mach-versatile/include/mach/platform.h18
-rw-r--r--arch/arm/mm/cache-feroceon-l2.c4
-rw-r--r--arch/arm/mm/mmu.c6
-rw-r--r--arch/arm/plat-iop/setup.c5
-rw-r--r--arch/parisc/include/asm/smp.h2
-rw-r--r--drivers/mtd/maps/cdb89712.c13
-rw-r--r--drivers/mtd/maps/h720x-flash.c6
-rw-r--r--drivers/pci/pci-acpi.c15
-rw-r--r--fs/dlm/lockspace.c2
-rw-r--r--include/linux/slab.h28
-rw-r--r--init/Kconfig6
21 files changed, 98 insertions, 115 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 1cb8602dd9d5..4ed149cbb32a 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -256,8 +256,17 @@ int dmabounce_sync_for_cpu(struct device *, dma_addr_t, unsigned long,
int dmabounce_sync_for_device(struct device *, dma_addr_t, unsigned long,
size_t, enum dma_data_direction);
#else
-#define dmabounce_sync_for_cpu(dev,dma,off,sz,dir) (1)
-#define dmabounce_sync_for_device(dev,dma,off,sz,dir) (1)
+static inline int dmabounce_sync_for_cpu(struct device *d, dma_addr_t addr,
+ unsigned long offset, size_t size, enum dma_data_direction dir)
+{
+ return 1;
+}
+
+static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr,
+ unsigned long offset, size_t size, enum dma_data_direction dir)
+{
+ return 1;
+}
/**
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index cb1139ac1943..39d949b63e80 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -19,12 +19,13 @@ struct map_desc {
};
/* types 0-3 are defined in asm/io.h */
-#define MT_CACHECLEAN 4
-#define MT_MINICLEAN 5
-#define MT_LOW_VECTORS 6
-#define MT_HIGH_VECTORS 7
-#define MT_MEMORY 8
-#define MT_ROM 9
+#define MT_UNCACHED 4
+#define MT_CACHECLEAN 5
+#define MT_MINICLEAN 6
+#define MT_LOW_VECTORS 7
+#define MT_HIGH_VECTORS 8
+#define MT_MEMORY 9
+#define MT_ROM 10
#ifdef CONFIG_MMU
extern void iotable_init(struct map_desc *, int);
diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h
index 4c3e101b96c9..b3ebe9e4871f 100644
--- a/arch/arm/mach-clps711x/include/mach/hardware.h
+++ b/arch/arm/mach-clps711x/include/mach/hardware.h
@@ -94,20 +94,6 @@
#include <asm/hardware/ep7212.h>
#include <asm/hardware/cs89712.h>
-/* dynamic ioremap() areas */
-#define FLASH_START 0x00000000
-#define FLASH_SIZE 0x800000
-#define FLASH_WIDTH 4
-
-#define SRAM_START 0x60000000
-#define SRAM_SIZE 0xc000
-#define SRAM_WIDTH 4
-
-#define BOOTROM_START 0x70000000
-#define BOOTROM_SIZE 0x80
-#define BOOTROM_WIDTH 4
-
-
/* static cdb89712_map_io() areas */
#define REGISTER_START 0x80000000
#define REGISTER_SIZE 0x4000
@@ -198,14 +184,6 @@
#define CEIVA_FLASH_SIZE 0x100000
#define CEIVA_FLASH_WIDTH 2
-#define SRAM_START 0x60000000
-#define SRAM_SIZE 0xc000
-#define SRAM_WIDTH 4
-
-#define BOOTROM_START 0x70000000
-#define BOOTROM_SIZE 0x80
-#define BOOTROM_WIDTH 4
-
/*
* SED1355 LCD controller
*/
diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c
index c3a33b8a5aac..7e247c04d41c 100644
--- a/arch/arm/mach-clps7500/core.c
+++ b/arch/arm/mach-clps7500/core.c
@@ -275,9 +275,9 @@ static struct map_desc cl7500_io_desc[] __initdata = {
.length = ISA_SIZE,
.type = MT_DEVICE
}, { /* Flash */
- .virtual = FLASH_BASE,
- .pfn = __phys_to_pfn(FLASH_START),
- .length = FLASH_SIZE,
+ .virtual = CLPS7500_FLASH_BASE,
+ .pfn = __phys_to_pfn(CLPS7500_FLASH_START),
+ .length = CLPS7500_FLASH_SIZE,
.type = MT_DEVICE
}, { /* LED */
.virtual = LED_BASE,
diff --git a/arch/arm/mach-clps7500/include/mach/hardware.h b/arch/arm/mach-clps7500/include/mach/hardware.h
index d66578a3371c..a6ad1d44badf 100644
--- a/arch/arm/mach-clps7500/include/mach/hardware.h
+++ b/arch/arm/mach-clps7500/include/mach/hardware.h
@@ -39,9 +39,9 @@
#define ISA_SIZE 0x00010000
#define ISA_BASE 0xe1000000
-#define FLASH_START 0x01000000 /* XXX */
-#define FLASH_SIZE 0x01000000
-#define FLASH_BASE 0xe2000000
+#define CLPS7500_FLASH_START 0x01000000 /* XXX */
+#define CLPS7500_FLASH_SIZE 0x01000000
+#define CLPS7500_FLASH_BASE 0xe2000000
#define LED_START 0x0302B000
#define LED_SIZE 0x00001000
diff --git a/arch/arm/mach-h720x/include/mach/boards.h b/arch/arm/mach-h720x/include/mach/boards.h
index 079b279e1242..38b8e0d61fbf 100644
--- a/arch/arm/mach-h720x/include/mach/boards.h
+++ b/arch/arm/mach-h720x/include/mach/boards.h
@@ -19,9 +19,9 @@
#ifdef CONFIG_ARCH_H7202
/* FLASH */
-#define FLASH_VIRT 0xd0000000
-#define FLASH_PHYS 0x00000000
-#define FLASH_SIZE 0x02000000
+#define H720X_FLASH_VIRT 0xd0000000
+#define H720X_FLASH_PHYS 0x00000000
+#define H720X_FLASH_SIZE 0x02000000
/* onboard LAN controller */
# define ETH0_PHYS 0x08000000
diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h
index 028b87839c0f..e00a2624f269 100644
--- a/arch/arm/mach-integrator/include/mach/platform.h
+++ b/arch/arm/mach-integrator/include/mach/platform.h
@@ -408,27 +408,10 @@
#define uHAL_MEMORY_SIZE INTEGRATOR_SSRAM_SIZE
/*
- * Application Flash
- *
- */
-#define FLASH_BASE INTEGRATOR_FLASH_BASE
-#define FLASH_SIZE INTEGRATOR_FLASH_SIZE
-#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
-#define FLASH_BLOCK_SIZE SZ_128K
-
-/*
- * Boot Flash
- *
- */
-#define EPROM_BASE INTEGRATOR_BOOT_ROM_HI
-#define EPROM_SIZE INTEGRATOR_BOOT_ROM_SIZE
-#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
-
-/*
* Clean base - dummy
*
*/
-#define CLEAN_BASE EPROM_BASE
+#define CLEAN_BASE INTEGRATOR_BOOT_ROM_HI
/*
* Timer definitions
diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c
index 3e706c57833a..3347c4236a60 100644
--- a/arch/arm/mach-realview/clock.c
+++ b/arch/arm/mach-realview/clock.c
@@ -104,7 +104,7 @@ static struct clk uart_clk = {
static struct clk mmci_clk = {
.name = "MCLK",
- .rate = 33000000,
+ .rate = 24000000,
};
int clk_register(struct clk *clk)
diff --git a/arch/arm/mach-realview/include/mach/platform.h b/arch/arm/mach-realview/include/mach/platform.h
index 4034b54950c2..793a3a332712 100644
--- a/arch/arm/mach-realview/include/mach/platform.h
+++ b/arch/arm/mach-realview/include/mach/platform.h
@@ -239,27 +239,10 @@
#define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */
/*
- * Application Flash
- *
- */
-#define FLASH_BASE REALVIEW_FLASH_BASE
-#define FLASH_SIZE REALVIEW_FLASH_SIZE
-#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
-#define FLASH_BLOCK_SIZE SZ_128K
-
-/*
- * Boot Flash
- *
- */
-#define EPROM_BASE REALVIEW_BOOT_ROM_HI
-#define EPROM_SIZE REALVIEW_BOOT_ROM_SIZE
-#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
-
-/*
* Clean base - dummy
*
*/
-#define CLEAN_BASE EPROM_BASE
+#define CLEAN_BASE REALVIEW_BOOT_ROM_HI
/*
* System controller bit assignment
diff --git a/arch/arm/mach-versatile/clock.c b/arch/arm/mach-versatile/clock.c
index 9336508ec0b2..58937f1fb38c 100644
--- a/arch/arm/mach-versatile/clock.c
+++ b/arch/arm/mach-versatile/clock.c
@@ -105,7 +105,7 @@ static struct clk uart_clk = {
static struct clk mmci_clk = {
.name = "MCLK",
- .rate = 33000000,
+ .rate = 24000000,
};
int clk_register(struct clk *clk)
diff --git a/arch/arm/mach-versatile/include/mach/platform.h b/arch/arm/mach-versatile/include/mach/platform.h
index 27cbe6a3f220..f91ba930ca8a 100644
--- a/arch/arm/mach-versatile/include/mach/platform.h
+++ b/arch/arm/mach-versatile/include/mach/platform.h
@@ -436,28 +436,12 @@
#define SIC_INTMASK_PCI1 (1 << SIC_INT_PCI1)
#define SIC_INTMASK_PCI2 (1 << SIC_INT_PCI2)
#define SIC_INTMASK_PCI3 (1 << SIC_INT_PCI3)
-/*
- * Application Flash
- *
- */
-#define FLASH_BASE VERSATILE_FLASH_BASE
-#define FLASH_SIZE VERSATILE_FLASH_SIZE
-#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
-#define FLASH_BLOCK_SIZE SZ_128K
-
-/*
- * Boot Flash
- *
- */
-#define EPROM_BASE VERSATILE_BOOT_ROM_HI
-#define EPROM_SIZE VERSATILE_BOOT_ROM_SIZE
-#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
/*
* Clean base - dummy
*
*/
-#define CLEAN_BASE EPROM_BASE
+#define CLEAN_BASE VERSATILE_BOOT_ROM_HI
/*
* System controller bit assignment
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index 13cdae8b0d44..80cd207cbaea 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -150,7 +150,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end)
/*
* Clean and invalidate partial last cache line.
*/
- if (end & (CACHE_LINE_SIZE - 1)) {
+ if (start < end && end & (CACHE_LINE_SIZE - 1)) {
l2_clean_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
end &= ~(CACHE_LINE_SIZE - 1);
}
@@ -158,7 +158,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end)
/*
* Invalidate all full cache lines between 'start' and 'end'.
*/
- while (start != end) {
+ while (start < end) {
unsigned long range_end = calc_range_end(start, end);
l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE);
start = range_end;
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e63db11f16a8..7f36c825718d 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -208,6 +208,12 @@ static struct mem_type mem_types[] = {
.prot_sect = PROT_SECT_DEVICE,
.domain = DOMAIN_IO,
},
+ [MT_UNCACHED] = {
+ .prot_pte = PROT_PTE_DEVICE,
+ .prot_l1 = PMD_TYPE_TABLE,
+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN,
+ .domain = DOMAIN_IO,
+ },
[MT_CACHECLEAN] = {
.prot_sect = PMD_TYPE_SECT | PMD_SECT_XN,
.domain = DOMAIN_KERNEL,
diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c
index 4689db638e95..9e573e78176a 100644
--- a/arch/arm/plat-iop/setup.c
+++ b/arch/arm/plat-iop/setup.c
@@ -16,14 +16,15 @@
#include <asm/hardware/iop3xx.h>
/*
- * Standard IO mapping for all IOP3xx based systems
+ * Standard IO mapping for all IOP3xx based systems. Note that
+ * the IOP3xx OCCDR must be mapped uncached and unbuffered.
*/
static struct map_desc iop3xx_std_desc[] __initdata = {
{ /* mem mapped registers */
.virtual = IOP3XX_PERIPHERAL_VIRT_BASE,
.pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
.length = IOP3XX_PERIPHERAL_SIZE,
- .type = MT_DEVICE,
+ .type = MT_UNCACHED,
}, { /* PCI IO space */
.virtual = IOP3XX_PCI_LOWER_IO_VA,
.pfn = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),
diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h
index 398cdbaf4e54..409e698f4361 100644
--- a/arch/parisc/include/asm/smp.h
+++ b/arch/parisc/include/asm/smp.h
@@ -44,8 +44,6 @@ extern void arch_send_call_function_ipi(cpumask_t mask);
#define PROC_CHANGE_PENALTY 15 /* Schedule penalty */
-extern unsigned long cpu_present_mask;
-
#define raw_smp_processor_id() (current_thread_info()->cpu)
#else /* CONFIG_SMP */
diff --git a/drivers/mtd/maps/cdb89712.c b/drivers/mtd/maps/cdb89712.c
index e5059aa3c724..8d92d8db9a98 100644
--- a/drivers/mtd/maps/cdb89712.c
+++ b/drivers/mtd/maps/cdb89712.c
@@ -14,7 +14,18 @@
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
-
+/* dynamic ioremap() areas */
+#define FLASH_START 0x00000000
+#define FLASH_SIZE 0x800000
+#define FLASH_WIDTH 4
+
+#define SRAM_START 0x60000000
+#define SRAM_SIZE 0xc000
+#define SRAM_WIDTH 4
+
+#define BOOTROM_START 0x70000000
+#define BOOTROM_SIZE 0x80
+#define BOOTROM_WIDTH 4
static struct mtd_info *flash_mtd;
diff --git a/drivers/mtd/maps/h720x-flash.c b/drivers/mtd/maps/h720x-flash.c
index 35fef655ccc4..3b959fad1c4e 100644
--- a/drivers/mtd/maps/h720x-flash.c
+++ b/drivers/mtd/maps/h720x-flash.c
@@ -24,8 +24,8 @@ static struct mtd_info *mymtd;
static struct map_info h720x_map = {
.name = "H720X",
.bankwidth = 4,
- .size = FLASH_SIZE,
- .phys = FLASH_PHYS,
+ .size = H720X_FLASH_SIZE,
+ .phys = H720X_FLASH_PHYS,
};
static struct mtd_partition h720x_partitions[] = {
@@ -70,7 +70,7 @@ int __init h720x_mtd_init(void)
char *part_type = NULL;
- h720x_map.virt = ioremap(FLASH_PHYS, FLASH_SIZE);
+ h720x_map.virt = ioremap(h720x_map.phys, h720x_map.size);
if (!h720x_map.virt) {
printk(KERN_ERR "H720x-MTD: ioremap failed\n");
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index b3a63edb6901..ae5ec76dca77 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -63,7 +63,7 @@ static acpi_status acpi_run_osc(acpi_handle handle,
union acpi_object in_params[4];
struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *out_obj;
- u32 osc_dw0, flags = osc_args->capbuf[OSC_QUERY_TYPE];
+ u32 errors, flags = osc_args->capbuf[OSC_QUERY_TYPE];
/* Setting up input parameters */
input.count = 4;
@@ -92,15 +92,16 @@ static acpi_status acpi_run_osc(acpi_handle handle,
status = AE_TYPE;
goto out_kfree;
}
- osc_dw0 = *((u32 *)out_obj->buffer.pointer);
- if (osc_dw0) {
- if (osc_dw0 & OSC_REQUEST_ERROR)
+ /* Need to ignore the bit0 in result code */
+ errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
+ if (errors) {
+ if (errors & OSC_REQUEST_ERROR)
printk(KERN_DEBUG "_OSC request fails\n");
- if (osc_dw0 & OSC_INVALID_UUID_ERROR)
+ if (errors & OSC_INVALID_UUID_ERROR)
printk(KERN_DEBUG "_OSC invalid UUID\n");
- if (osc_dw0 & OSC_INVALID_REVISION_ERROR)
+ if (errors & OSC_INVALID_REVISION_ERROR)
printk(KERN_DEBUG "_OSC invalid revision\n");
- if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
+ if (errors & OSC_CAPABILITIES_MASK_ERROR) {
if (flags & OSC_QUERY_ENABLE)
goto out_success;
printk(KERN_DEBUG "_OSC FW not grant req. control\n");
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index d910501de6d2..8d86b7960f0d 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -812,7 +812,7 @@ int dlm_release_lockspace(void *lockspace, int force)
error = release_lockspace(ls, force);
if (!error)
ls_count--;
- else if (!ls_count)
+ if (!ls_count)
threads_stop();
mutex_unlock(&ls_lock);
diff --git a/include/linux/slab.h b/include/linux/slab.h
index ba965c84ae06..000da12b5cf0 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -23,6 +23,34 @@
#define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */
#define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */
#define SLAB_PANIC 0x00040000UL /* Panic if kmem_cache_create() fails */
+/*
+ * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS!
+ *
+ * This delays freeing the SLAB page by a grace period, it does _NOT_
+ * delay object freeing. This means that if you do kmem_cache_free()
+ * that memory location is free to be reused at any time. Thus it may
+ * be possible to see another object there in the same RCU grace period.
+ *
+ * This feature only ensures the memory location backing the object
+ * stays valid, the trick to using this is relying on an independent
+ * object validation pass. Something like:
+ *
+ * rcu_read_lock()
+ * again:
+ * obj = lockless_lookup(key);
+ * if (obj) {
+ * if (!try_get_ref(obj)) // might fail for free objects
+ * goto again;
+ *
+ * if (obj->key != key) { // not the object we expected
+ * put_ref(obj);
+ * goto again;
+ * }
+ * }
+ * rcu_read_unlock();
+ *
+ * See also the comment on struct slab_rcu in mm/slab.c.
+ */
#define SLAB_DESTROY_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */
#define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */
#define SLAB_TRACE 0x00200000UL /* Trace allocations and frees */
diff --git a/init/Kconfig b/init/Kconfig
index 86b00c53fade..226da2733c1e 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -771,8 +771,7 @@ config SLAB
help
The regular slab allocator that is established and known to work
well in all environments. It organizes cache hot objects in
- per cpu and per node queues. SLAB is the default choice for
- a slab allocator.
+ per cpu and per node queues.
config SLUB
bool "SLUB (Unqueued Allocator)"
@@ -781,7 +780,8 @@ config SLUB
instead of managing queues of cached objects (SLAB approach).
Per cpu caching is realized using slabs of objects instead
of queues of objects. SLUB can use memory efficiently
- and has enhanced diagnostics.
+ and has enhanced diagnostics. SLUB is the default choice for
+ a slab allocator.
config SLOB
depends on EMBEDDED
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-28 19:09:11 +0000