diff options
| author | Roland McGrath <roland@redhat.com> | 2005-09-03 18:56:35 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 03:06:10 -0400 |
| commit | 2a0694d15d55d0deed928786a6393d5e45e37d76 (patch) | |
| tree | 50b408c01b57b3d77069dc0e3bc1da42423174d3 | |
| parent | 56f1d5d52a21b93bc2984c920b17e0d80df5d1b2 (diff) | |
[PATCH] i386: clean up vDSO alignment padding
This makes the vDSO use nops for all its padding around instructions,
rather than sometimes zeros, and nop-pads the end of the area containing
instructions to a 32-byte cache line, to keep text and data in separate
lines.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/i386/kernel/vsyscall-sigreturn.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/i386/kernel/vsyscall-sigreturn.S b/arch/i386/kernel/vsyscall-sigreturn.S index c8fcf75b9be3..68afa50dd7cf 100644 --- a/arch/i386/kernel/vsyscall-sigreturn.S +++ b/arch/i386/kernel/vsyscall-sigreturn.S | |||
| @@ -15,7 +15,7 @@ | |||
| 15 | */ | 15 | */ |
| 16 | 16 | ||
| 17 | .text | 17 | .text |
| 18 | .org __kernel_vsyscall+32 | 18 | .org __kernel_vsyscall+32,0x90 |
| 19 | .globl __kernel_sigreturn | 19 | .globl __kernel_sigreturn |
| 20 | .type __kernel_sigreturn,@function | 20 | .type __kernel_sigreturn,@function |
| 21 | __kernel_sigreturn: | 21 | __kernel_sigreturn: |
| @@ -35,6 +35,7 @@ __kernel_rt_sigreturn: | |||
| 35 | int $0x80 | 35 | int $0x80 |
| 36 | .LEND_rt_sigreturn: | 36 | .LEND_rt_sigreturn: |
| 37 | .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn | 37 | .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn |
| 38 | .balign 32 | ||
| 38 | .previous | 39 | .previous |
| 39 | 40 | ||
| 40 | .section .eh_frame,"a",@progbits | 41 | .section .eh_frame,"a",@progbits |