Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
x86/unwind_user: Simplify unwind_user_word_size()
Get rid of superfluous ifdef and return explicit word size depending on
32-bit or 64-bit mode.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251208160352.1363040-5-jremus@linux.ibm.com
authored by
Jens Remus
and committed by
Peter Zijlstra
3c488084
aa6047ef
+1
-5
+1
-5
arch/x86/include/asm/unwind_user.h
+1
-5
arch/x86/include/asm/unwind_user.h
···
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/* We can't unwind VM86 stacks */
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if (regs->flags & X86_VM_MASK)
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return 0;
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-
#ifdef CONFIG_X86_64
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-
if (!user_64bit_mode(regs))
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-
return sizeof(int);
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-
#endif
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-
return sizeof(long);
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+
return user_64bit_mode(regs) ? 8 : 4;
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}
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#endif /* CONFIG_UNWIND_USER */