Commit af2ebdcf authored Nov 21, 2018 by Andy Lutomirski Committed by Ingo Molnar Nov 22, 2018

x86/vsyscall/64: Use X86_PF constants in the simulated #PF error code

Rather than hardcoding 6 with a comment, use the defined constants.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/e023f20352b0d05a8b0205629897917262d2ad68.1542841400.git.luto@kernel.org

Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent d38bc89c

arch/x86/entry/vsyscall/vsyscall_64.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -102,7 +102,7 @@ static bool write_ok_or_segv(unsigned long ptr, size_t size)
		if (!access_ok(VERIFY_WRITE, (void __user *)ptr, size)) {
		struct thread_struct *thread = &current->thread;

		thread->error_code = 6; /* user fault, no page, write */
		thread->error_code = X86_PF_USER \| X86_PF_WRITE;
		thread->cr2 = ptr;
		thread->trap_nr = X86_TRAP_PF;

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