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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

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Pull arm64 fix from Catalin Marinas:
 "Fix unwind_frame() in the context of pseudo NMI"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: fix wrong check of on_sdei_stack in nmi context
This commit is contained in:
Linus Torvalds
2019-04-05 13:36:45 -10:00
parent 970b766cfd 1c41860864
commit 2f9e10acfa
1 changed files with 6 additions and 0 deletions
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arch/arm64/kernel/sdei.c
+6
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@@ -94,6 +94,9 @@ static bool on_sdei_normal_stack(unsigned long sp, struct stack_info *info)
unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr);
unsigned long high = low + SDEI_STACK_SIZE;
if (!low)
return false;
if (sp < low || sp >= high)
return false;
@@ -111,6 +114,9 @@ static bool on_sdei_critical_stack(unsigned long sp, struct stack_info *info)
unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr);
unsigned long high = low + SDEI_STACK_SIZE;
if (!low)
return false;
if (sp < low || sp >= high)
return false;