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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2015-02-26 14:40:26 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-04 22:50:49 +0100 |
| commit | 6e1327bd2b20ccb387fcddc0caa605cb253cc458 (patch) | |
| tree | 87dc3566a928ba9346a147f82d69996c03347907 | |
| parent | 49db46a67bec9ca9e29ece4729a876195877af50 (diff) | |
| download | linux-0-day-6e1327bd2b20ccb387fcddc0caa605cb253cc458.tar.gz linux-0-day-6e1327bd2b20ccb387fcddc0caa605cb253cc458.tar.xz | |
x86/asm/entry/64: Fix incorrect symbolic constant usage: R11->ARGOFFSET
Since the last fix of this nature, a few more instances have crept
in. Fix them up. No object code changes (constants have the same
value).
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1423778052-21038-1-git-send-email-dvlasenk@redhat.com
Link: http://lkml.kernel.org/r/f5e1c4084319a42e5f14d41e2d638949ce66bc08.1424989793.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 10074ad9ebf85..a57b3387ec7d5 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -757,8 +757,8 @@ retint_swapgs: /* return to user-space */ * Try to use SYSRET instead of IRET if we're returning to * a completely clean 64-bit userspace context. */ - movq (RCX-R11)(%rsp), %rcx - cmpq %rcx,(RIP-R11)(%rsp) /* RCX == RIP */ + movq (RCX-ARGOFFSET)(%rsp), %rcx + cmpq %rcx,(RIP-ARGOFFSET)(%rsp) /* RCX == RIP */ jne opportunistic_sysret_failed /* @@ -779,7 +779,7 @@ retint_swapgs: /* return to user-space */ shr $__VIRTUAL_MASK_SHIFT, %rcx jnz opportunistic_sysret_failed - cmpq $__USER_CS,(CS-R11)(%rsp) /* CS must match SYSRET */ + cmpq $__USER_CS,(CS-ARGOFFSET)(%rsp) /* CS must match SYSRET */ jne opportunistic_sysret_failed movq (R11-ARGOFFSET)(%rsp), %r11 |