The patch titled
Subject: arch/x86/kernel/cpu/common.c: fix warning
has been added to the -mm tree. Its filename is
arch-x86-kernel-cpu-commonc-fix-warning.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arch-x86-kernel-cpu-commonc-fix-warning.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arch-x86-kernel-cpu-commonc-fix-warning.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: arch/x86/kernel/cpu/common.c: fix warning
CONFIG_IA32_EMULATION=n:
arch/x86/kernel/cpu/common.c: In function `syscall_init':
arch/x86/kernel/cpu/common.c:1534:6: warning: unused variable `cpu' [-Wunused-variable]
int cpu = smp_processor_id();
^~~
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/common.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/arch/x86/kernel/cpu/common.c~arch-x86-kernel-cpu-commonc-fix-warning
+++ a/arch/x86/kernel/cpu/common.c
@@ -1531,8 +1531,6 @@ EXPORT_PER_CPU_SYMBOL(__preempt_count);
/* May not be marked __init: used by software suspend */
void syscall_init(void)
{
- int cpu = smp_processor_id();
-
wrmsr(MSR_STAR, 0, (__USER32_CS << 16) | __KERNEL_CS);
wrmsrl(MSR_LSTAR, (unsigned long)entry_SYSCALL_64);
@@ -1545,7 +1543,8 @@ void syscall_init(void)
* AMD doesn't allow SYSENTER in long mode (either 32- or 64-bit).
*/
wrmsrl_safe(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
- wrmsrl_safe(MSR_IA32_SYSENTER_ESP, (unsigned long)(cpu_entry_stack(cpu) + 1));
+ wrmsrl_safe(MSR_IA32_SYSENTER_ESP,
+ (unsigned long)(cpu_entry_stack(smp_processor_id()) + 1));
wrmsrl_safe(MSR_IA32_SYSENTER_EIP, (u64)entry_SYSENTER_compat);
#else
wrmsrl(MSR_CSTAR, (unsigned long)ignore_sysret);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
fix-crash-on-ocfs2_duplicate_clusters_by_page-v5-checkpatch-fixes.patch
proc-kcore-fix-invalid-memory-access-in-multi-page-read-optimization-v3-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
fix-clusters-leak-in-ocfs2_defrag_extent-fix.patch
mm.patch
mmpage_alloc-pf_wq_worker-threads-must-sleep-at-should_reclaim_retry-fix.patch
mm-calculate-deferred-pages-after-skipping-mirrored-memory-fix.patch
list_lru-prefetch-neighboring-list-entries-before-acquiring-lock-fix.patch
lib-bitmapc-fix-remaining-space-computation-in-bitmap_print_to_pagebuf-fix.patch
lib-bitmapc-fix-remaining-space-computation-in-bitmap_print_to_pagebuf-fix-fix.patch
ipc-allow-boot-time-extension-of-ipcmni-from-32k-to-8m-checkpatch-fixes.patch
linux-next-rejects.patch
arch-x86-kernel-cpu-commonc-fix-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
