Commit 2a0694d15d55d0deed928786a6393d5e45e37d76

Authored by Roland McGrath
Committed by Linus Torvalds
1 parent 56f1d5d52a

[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>

Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff

arch/i386/kernel/vsyscall-sigreturn.S
... ... @@ -15,7 +15,7 @@
15 15 */
16 16  
17 17 .text
18   - .org __kernel_vsyscall+32
  18 + .org __kernel_vsyscall+32,0x90
19 19 .globl __kernel_sigreturn
20 20 .type __kernel_sigreturn,@function
21 21 __kernel_sigreturn:
... ... @@ -35,6 +35,7 @@
35 35 int $0x80
36 36 .LEND_rt_sigreturn:
37 37 .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
  38 + .balign 32
38 39 .previous
39 40  
40 41 .section .eh_frame,"a",@progbits