Commit-ID: 1e17880371f85d3d866962e04ba3567c0654a125 Gitweb: http://git.kernel.org/tip/1e17880371f85d3d866962e04ba3567c0654a125 Author: Brian Gerst <[email protected]> AuthorDate: Wed, 4 May 2016 22:44:37 -0400 Committer: Ingo Molnar <[email protected]> CommitDate: Thu, 5 May 2016 08:37:30 +0200
x86/entry/32: Remove GET_THREAD_INFO() from entry code The entry code used to cache the thread_info pointer in the EBP register, but all the code that used it has been moved to C. Remove the unused code to get the pointer. Signed-off-by: Brian Gerst <[email protected]> Acked-by: Andy Lutomirski <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/entry/entry_32.S | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index c84d99b..983e5d3 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -207,7 +207,6 @@ ENTRY(ret_from_fork) pushl %eax call schedule_tail - GET_THREAD_INFO(%ebp) popl %eax /* When we fork, we trace the syscall return in the child, too. */ @@ -219,7 +218,6 @@ END(ret_from_fork) ENTRY(ret_from_kernel_thread) pushl %eax call schedule_tail - GET_THREAD_INFO(%ebp) popl %eax movl PT_EBP(%esp), %eax call *PT_EBX(%esp) @@ -247,7 +245,6 @@ ENDPROC(ret_from_kernel_thread) ret_from_exception: preempt_stop(CLBR_ANY) ret_from_intr: - GET_THREAD_INFO(%ebp) #ifdef CONFIG_VM86 movl PT_EFLAGS(%esp), %eax # mix EFLAGS and CS movb PT_CS(%esp), %al
