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-rw-r--r--arch/x86/platform/efi/efi_64.c4
-rw-r--r--arch/x86/platform/efi/quirks.c4
-rw-r--r--arch/x86/platform/intel-quark/imr.c4
-rw-r--r--arch/x86/platform/intel-quark/imr_selftest.c2
-rw-r--r--arch/x86/platform/intel/iosf_mbi.c4
-rw-r--r--arch/x86/platform/iris/iris.c1
-rw-r--r--arch/x86/platform/olpc/olpc-xo15-sci.c2
-rw-r--r--arch/x86/platform/olpc/olpc_dt.c2
-rw-r--r--arch/x86/platform/pvh/head.S20
-rw-r--r--arch/x86/platform/uv/uv_nmi.c48
10 files changed, 38 insertions, 53 deletions
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 1b82d77019b1..df7b5477fc4f 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -195,7 +195,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
}
/*
- * Certain firmware versions are way too sentimential and still believe
+ * Certain firmware versions are way too sentimental and still believe
* they are exclusive and unquestionable owners of the first physical page,
* even though they explicitly mark it as EFI_CONVENTIONAL_MEMORY
* (but then write-access it later during SetVirtualAddressMap()).
@@ -457,7 +457,7 @@ void __init efi_dump_pagetable(void)
* in a kernel thread and user context. Preemption needs to remain disabled
* while the EFI-mm is borrowed. mmgrab()/mmdrop() is not used because the mm
* can not change under us.
- * It should be ensured that there are no concurent calls to this function.
+ * It should be ensured that there are no concurrent calls to this function.
*/
void efi_enter_mm(void)
{
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c
index 67d93a243c35..7850111008a8 100644
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -441,7 +441,7 @@ void __init efi_free_boot_services(void)
* 1.4.4 with SGX enabled booting Linux via Fedora 24's
* grub2-efi on a hard disk. (And no, I don't know why
* this happened, but Linux should still try to boot rather
- * panicing early.)
+ * panicking early.)
*/
rm_size = real_mode_size_needed();
if (rm_size && (start + rm_size) < (1<<20) && size >= rm_size) {
@@ -726,7 +726,7 @@ void efi_crash_gracefully_on_page_fault(unsigned long phys_addr)
* Buggy efi_reset_system() is handled differently from other EFI
* Runtime Services as it doesn't use efi_rts_wq. Although,
* native_machine_emergency_restart() says that machine_real_restart()
- * could fail, it's better not to compilcate this fault handler
+ * could fail, it's better not to complicate this fault handler
* because this case occurs *very* rarely and hence could be improved
* on a need by basis.
*/
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c
index 0286fe1b14b5..d3d456925b2a 100644
--- a/arch/x86/platform/intel-quark/imr.c
+++ b/arch/x86/platform/intel-quark/imr.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* imr.c -- Intel Isolated Memory Region driver
*
* Copyright(c) 2013 Intel Corporation.
@@ -551,7 +551,7 @@ static void __init imr_fixup_memmap(struct imr_device *idev)
/*
* Setup an unlocked IMR around the physical extent of the kernel
- * from the beginning of the .text secton to the end of the
+ * from the beginning of the .text section to the end of the
* .rodata section as one physically contiguous block.
*
* We don't round up @size since it is already PAGE_SIZE aligned.
diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c
index 570e3062faac..761f3689f60a 100644
--- a/arch/x86/platform/intel-quark/imr_selftest.c
+++ b/arch/x86/platform/intel-quark/imr_selftest.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/**
+/*
* imr_selftest.c -- Intel Isolated Memory Region self-test driver
*
* Copyright(c) 2013 Intel Corporation.
diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c
index 526f70f27c1c..fdd49d70b437 100644
--- a/arch/x86/platform/intel/iosf_mbi.c
+++ b/arch/x86/platform/intel/iosf_mbi.c
@@ -187,7 +187,7 @@ bool iosf_mbi_available(void)
EXPORT_SYMBOL(iosf_mbi_available);
/*
- **************** P-Unit/kernel shared I2C bus arbritration ****************
+ **************** P-Unit/kernel shared I2C bus arbitration ****************
*
* Some Bay Trail and Cherry Trail devices have the P-Unit and us (the kernel)
* share a single I2C bus to the PMIC. Below are helpers to arbitrate the
@@ -493,7 +493,7 @@ static void iosf_sideband_debug_init(void)
/* mcrx */
debugfs_create_x32("mcrx", 0660, iosf_dbg, &dbg_mcrx);
- /* mcr - initiates mailbox tranaction */
+ /* mcr - initiates mailbox transaction */
debugfs_create_file("mcr", 0660, iosf_dbg, &dbg_mcr, &iosf_mcr_fops);
}
diff --git a/arch/x86/platform/iris/iris.c b/arch/x86/platform/iris/iris.c
index 1ac8578258af..b42bfdab01a9 100644
--- a/arch/x86/platform/iris/iris.c
+++ b/arch/x86/platform/iris/iris.c
@@ -27,7 +27,6 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Sébastien Hinderer <Sebastien.Hinderer@ens-lyon.org>");
MODULE_DESCRIPTION("A power_off handler for Iris devices from EuroBraille");
-MODULE_SUPPORTED_DEVICE("Eurobraille/Iris");
static bool force;
diff --git a/arch/x86/platform/olpc/olpc-xo15-sci.c b/arch/x86/platform/olpc/olpc-xo15-sci.c
index 85f4638764d6..994a229cb79f 100644
--- a/arch/x86/platform/olpc/olpc-xo15-sci.c
+++ b/arch/x86/platform/olpc/olpc-xo15-sci.c
@@ -27,7 +27,7 @@ static bool lid_wake_on_close;
* wake-on-close. This is implemented as standard by the XO-1.5 DSDT.
*
* We provide here a sysfs attribute that will additionally enable
- * wake-on-close behavior. This is useful (e.g.) when we oportunistically
+ * wake-on-close behavior. This is useful (e.g.) when we opportunistically
* suspend with the display running; if the lid is then closed, we want to
* wake up to turn the display off.
*
diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
index 26d1f6693789..75e3319e8bee 100644
--- a/arch/x86/platform/olpc/olpc_dt.c
+++ b/arch/x86/platform/olpc/olpc_dt.c
@@ -131,7 +131,7 @@ void * __init prom_early_alloc(unsigned long size)
const size_t chunk_size = max(PAGE_SIZE, size);
/*
- * To mimimize the number of allocations, grab at least
+ * To minimize the number of allocations, grab at least
* PAGE_SIZE of memory (that's an arbitrary choice that's
* fast enough on the platforms we care about while minimizing
* wasted bootmem) and hand off chunks of it to callers.
diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S
index d2ccadc247e6..72c1e42d121d 100644
--- a/arch/x86/platform/pvh/head.S
+++ b/arch/x86/platform/pvh/head.S
@@ -30,10 +30,10 @@
* the boot start info structure.
* - `cr0`: bit 0 (PE) must be set. All the other writeable bits are cleared.
* - `cr4`: all bits are cleared.
- * - `cs `: must be a 32-bit read/execute code segment with a base of ‘0’
- * and a limit of ‘0xFFFFFFFF’. The selector value is unspecified.
+ * - `cs `: must be a 32-bit read/execute code segment with a base of `0`
+ * and a limit of `0xFFFFFFFF`. The selector value is unspecified.
* - `ds`, `es`: must be a 32-bit read/write data segment with a base of
- * ‘0’ and a limit of ‘0xFFFFFFFF’. The selector values are all
+ * `0` and a limit of `0xFFFFFFFF`. The selector values are all
* unspecified.
* - `tr`: must be a 32-bit TSS (active) with a base of '0' and a limit
* of '0x67'.
@@ -46,10 +46,8 @@
#define PVH_GDT_ENTRY_CS 1
#define PVH_GDT_ENTRY_DS 2
-#define PVH_GDT_ENTRY_CANARY 3
#define PVH_CS_SEL (PVH_GDT_ENTRY_CS * 8)
#define PVH_DS_SEL (PVH_GDT_ENTRY_DS * 8)
-#define PVH_CANARY_SEL (PVH_GDT_ENTRY_CANARY * 8)
SYM_CODE_START_LOCAL(pvh_start_xen)
cld
@@ -111,17 +109,6 @@ SYM_CODE_START_LOCAL(pvh_start_xen)
#else /* CONFIG_X86_64 */
- /* Set base address in stack canary descriptor. */
- movl $_pa(gdt_start),%eax
- movl $_pa(canary),%ecx
- movw %cx, (PVH_GDT_ENTRY_CANARY * 8) + 2(%eax)
- shrl $16, %ecx
- movb %cl, (PVH_GDT_ENTRY_CANARY * 8) + 4(%eax)
- movb %ch, (PVH_GDT_ENTRY_CANARY * 8) + 7(%eax)
-
- mov $PVH_CANARY_SEL,%eax
- mov %eax,%gs
-
call mk_early_pgtbl_32
mov $_pa(initial_page_table), %eax
@@ -165,7 +152,6 @@ SYM_DATA_START_LOCAL(gdt_start)
.quad GDT_ENTRY(0xc09a, 0, 0xfffff) /* PVH_CS_SEL */
#endif
.quad GDT_ENTRY(0xc092, 0, 0xfffff) /* PVH_DS_SEL */
- .quad GDT_ENTRY(0x4090, 0, 0x18) /* PVH_CANARY_SEL */
SYM_DATA_END_LABEL(gdt_start, SYM_L_LOCAL, gdt_end)
.balign 16
diff --git a/arch/x86/platform/uv/uv_nmi.c b/arch/x86/platform/uv/uv_nmi.c
index eafc530c8767..1e9ff28bc2e0 100644
--- a/arch/x86/platform/uv/uv_nmi.c
+++ b/arch/x86/platform/uv/uv_nmi.c
@@ -24,6 +24,7 @@
#include <asm/kdebug.h>
#include <asm/local64.h>
#include <asm/nmi.h>
+#include <asm/reboot.h>
#include <asm/traps.h>
#include <asm/uv/uv.h>
#include <asm/uv/uv_hub.h>
@@ -91,6 +92,8 @@ static atomic_t uv_nmi_cpus_in_nmi = ATOMIC_INIT(-1);
static atomic_t uv_nmi_slave_continue;
static cpumask_var_t uv_nmi_cpu_mask;
+static atomic_t uv_nmi_kexec_failed;
+
/* Values for uv_nmi_slave_continue */
#define SLAVE_CLEAR 0
#define SLAVE_CONTINUE 1
@@ -834,38 +837,35 @@ static void uv_nmi_touch_watchdogs(void)
touch_nmi_watchdog();
}
-static atomic_t uv_nmi_kexec_failed;
-
-#if defined(CONFIG_KEXEC_CORE)
-static void uv_nmi_kdump(int cpu, int master, struct pt_regs *regs)
+static void uv_nmi_kdump(int cpu, int main, struct pt_regs *regs)
{
+ /* Check if kdump kernel loaded for both main and secondary CPUs */
+ if (!kexec_crash_image) {
+ if (main)
+ pr_err("UV: NMI error: kdump kernel not loaded\n");
+ return;
+ }
+
/* Call crash to dump system state */
- if (master) {
+ if (main) {
pr_emerg("UV: NMI executing crash_kexec on CPU%d\n", cpu);
crash_kexec(regs);
- pr_emerg("UV: crash_kexec unexpectedly returned, ");
+ pr_emerg("UV: crash_kexec unexpectedly returned\n");
atomic_set(&uv_nmi_kexec_failed, 1);
- if (!kexec_crash_image) {
- pr_cont("crash kernel not loaded\n");
- return;
- }
- pr_cont("kexec busy, stalling cpus while waiting\n");
- }
- /* If crash exec fails the slaves should return, otherwise stall */
- while (atomic_read(&uv_nmi_kexec_failed) == 0)
- mdelay(10);
-}
+ } else { /* secondary */
-#else /* !CONFIG_KEXEC_CORE */
-static inline void uv_nmi_kdump(int cpu, int master, struct pt_regs *regs)
-{
- if (master)
- pr_err("UV: NMI kdump: KEXEC not supported in this kernel\n");
- atomic_set(&uv_nmi_kexec_failed, 1);
+ /* If kdump kernel fails, secondaries will exit this loop */
+ while (atomic_read(&uv_nmi_kexec_failed) == 0) {
+
+ /* Once shootdown cpus starts, they do not return */
+ run_crash_ipi_callback(regs);
+
+ mdelay(10);
+ }
+ }
}
-#endif /* !CONFIG_KEXEC_CORE */
#ifdef CONFIG_KGDB
#ifdef CONFIG_KGDB_KDB
@@ -889,7 +889,7 @@ static inline int uv_nmi_kdb_reason(void)
* Call KGDB/KDB from NMI handler
*
* Note that if both KGDB and KDB are configured, then the action of 'kgdb' or
- * 'kdb' has no affect on which is used. See the KGDB documention for further
+ * 'kdb' has no affect on which is used. See the KGDB documentation for further
* information.
*/
static void uv_call_kgdb_kdb(int cpu, struct pt_regs *regs, int master)
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-02 20:00:11 +0000