Commit-ID: 65c2377486c0b68f149f7d8770499a86b15786b6 Gitweb: http://git.kernel.org/tip/65c2377486c0b68f149f7d8770499a86b15786b6 Author: Denys Vlasenko <dvlasenk@xxxxxxxxxx> AuthorDate: Thu, 19 Mar 2015 18:17:49 +0100 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 24 Mar 2015 19:42:38 +0100 x86/asm/entry/64: Get rid of int_ret_from_sys_call_fixup With the FIXUP_TOP_OF_STACK macro removed, this intermediate jump is unnecessary. Signed-off-by: Denys Vlasenko <dvlasenk@xxxxxxxxxx> Acked-by: Borislav Petkov <bp@xxxxxxx> Acked-by: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Will Drewry <wad@xxxxxxxxxxxx> Link: http://lkml.kernel.org/r/1426785469-15125-5-git-send-email-dvlasenk@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/kernel/entry_64.S | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 3f8daba..df04ee06 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -268,7 +268,7 @@ system_call_fastpath: */ ret_from_sys_call: testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,SIZEOF_PTREGS) - jnz int_ret_from_sys_call_fixup /* Go the the slow path */ + jnz int_ret_from_sys_call /* Go the slow path */ LOCKDEP_SYS_EXIT DISABLE_INTERRUPTS(CLBR_NONE) @@ -293,9 +293,6 @@ ret_from_sys_call: CFI_RESTORE_STATE -int_ret_from_sys_call_fixup: - jmp int_ret_from_sys_call - /* Do syscall entry tracing */ tracesys: movq %rsp, %rdi -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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