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Groups > linux.kernel > #1394835
| From | Brian Gerst <brgerst@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/3] x86-32: Remove GET_THREAD_INFO from entry code |
| Date | 2016-05-05 04:50 +0200 |
| Message-ID | <rvhwt-7Y4-13@gated-at.bofh.it> (permalink) |
| References | <rvhwt-7Y4-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 <brgerst@gmail.com> --- 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 -- 2.5.5
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[PATCH 0/3] Misc x86 cleanups Brian Gerst <brgerst@gmail.com> - 2016-05-05 04:50 +0200
[PATCH 1/3] x86: Don't save/restore EFLAGS on task switch Brian Gerst <brgerst@gmail.com> - 2016-05-05 04:50 +0200
Re: [PATCH 1/3] x86: Don't save/restore EFLAGS on task switch Andy Lutomirski <luto@amacapital.net> - 2016-05-05 05:30 +0200
[tip:x86/asm] x86/entry, sched/x86: Don't save/restore EFLAGS on task switch tip-bot for Brian Gerst <tipbot@zytor.com> - 2016-05-05 11:40 +0200
[PATCH 2/3] x86-32: Remove GET_THREAD_INFO from entry code Brian Gerst <brgerst@gmail.com> - 2016-05-05 04:50 +0200
Re: [PATCH 2/3] x86-32: Remove GET_THREAD_INFO from entry code Andy Lutomirski <luto@amacapital.net> - 2016-05-05 05:30 +0200
[tip:x86/asm] x86/entry/32: Remove GET_THREAD_INFO() from entry code tip-bot for Brian Gerst <tipbot@zytor.com> - 2016-05-05 11:40 +0200
[PATCH 3/3] x86-32: Remove asmlinkage_protect Brian Gerst <brgerst@gmail.com> - 2016-05-05 04:50 +0200
Re: [PATCH 3/3] x86-32: Remove asmlinkage_protect Andy Lutomirski <luto@amacapital.net> - 2016-05-05 05:30 +0200
[tip:x86/asm] x86/entry/32: Remove asmlinkage_protect() tip-bot for Brian Gerst <tipbot@zytor.com> - 2016-05-05 11:40 +0200
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