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x86, asm: Restore parentheses around one pushl_cfi argument

These were (intentionally) stripped by "fix CFI macro
invocations to deal with shortcomings in gas" to expose problems
with unexpected splitting of arguments by older gas also on
newer versions, but as it turns out there is at least one distro
(Ubuntu 6.06) where even not having *any* spaces in a macro
argument doesn't reliably prevent splitting into multiple
arguments.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Acked-by: Alexander van Heukelum <heukelum@fastmail.fm>
LKML-Reference: <4CC157DB020000780001E8A2@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich 14 năm trước cách đây
mục cha
commit
07bd8516a2
1 tập tin đã thay đổi với 1 bổ sung1 xóa
  1. 1 1
      arch/x86/kernel/entry_32.S

+ 1 - 1
arch/x86/kernel/entry_32.S

@@ -395,7 +395,7 @@ sysenter_past_esp:
 	 * A tiny bit of offset fixup is necessary - 4*4 means the 4 words
 	 * pushed above; +8 corresponds to copy_thread's esp0 setting.
 	 */
-	pushl_cfi TI_sysenter_return-THREAD_SIZE_asm+8+4*4(%esp)
+	pushl_cfi (TI_sysenter_return-THREAD_SIZE_asm+8+4*4)(%esp)
 	CFI_REL_OFFSET eip, 0
 
 	pushl_cfi %eax