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authorAndy Lutomirski <[email protected]>2018-11-21 15:11:26 -0800
committerIngo Molnar <[email protected]>2018-11-22 09:24:27 +0100
commitaf2ebdcf044039e89da3cd44c0f04dea317020c5 (patch)
tree93ef13e700f89ab43a563e0482284f25f9ecd873
parentd38bc89c72e7235ac889ae64fe7828e2e61a18af (diff)
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 <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Dave Hansen <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Yu-cheng Yu <[email protected]> Link: http://lkml.kernel.org/r/e023f20352b0d05a8b0205629897917262d2ad68.1542841400.git.luto@kernel.org Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r--arch/x86/entry/vsyscall/vsyscall_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 85fd85d52ffd..d78bcc03e60e 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -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;