diff options
| author |   Jan Beulich <jbeulich@novell.com> | 2007-07-21 17:10:20 +0200 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 18:37:09 -0700 |
| commit | cdc1793ef7f5ccc47696e3d00b827e832e4c5bdb (patch) | |
| tree | 7b3d5bd738892652498e26bbd648f7398218e387 /arch/x86_64/ia32 | |
| parent | x86_64: Avoid too many remote cpu references due to /proc/stat (diff) | |
| download | linux-dev-cdc1793ef7f5ccc47696e3d00b827e832e4c5bdb.tar.xz linux-dev-cdc1793ef7f5ccc47696e3d00b827e832e4c5bdb.zip | |
x86_64: ia32entry adjustments
Consolidate the three 32-bit system call entry points so that they all
treat registers in similar ways.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64/ia32')
| -rw-r--r-- | arch/x86_64/ia32/ia32entry.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index 3f66e970d86f..938278697e20 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -104,7 +104,7 @@ ENTRY(ia32_sysenter_target) pushq %rax CFI_ADJUST_CFA_OFFSET 8 cld - SAVE_ARGS 0,0,0 + SAVE_ARGS 0,0,1 /* no need to do an access_ok check here because rbp has been 32bit zero extended */ 1: movl (%rbp),%r9d @@ -294,7 +294,7 @@ ia32_badarg: */ ENTRY(ia32_syscall) - CFI_STARTPROC simple + CFI_STARTPROC32 simple CFI_SIGNAL_FRAME CFI_DEF_CFA rsp,SS+8-RIP /*CFI_REL_OFFSET ss,SS-RIP*/ @@ -330,6 +330,7 @@ ia32_sysret: ia32_tracesys: SAVE_REST + CLEAR_RREGS movq $-ENOSYS,RAX(%rsp) /* really needed? */ movq %rsp,%rdi /* &pt_regs -> arg1 */ call syscall_trace_enter |