Messages in this thread Patch in this message | | | Date | Tue, 19 Jan 2021 10:12:43 -0000 | From | "tip-bot2 for Borislav Petkov" <> | Subject | [tip: x86/entry] x86/entry: Remove put_ret_addr_in_rdi THUNK macro argument |
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The following commit has been merged into the x86/entry branch of tip:
Commit-ID: 0bab9cb2d980d7c075cffb9216155f7835237f98 Gitweb: https://git.kernel.org/tip/0bab9cb2d980d7c075cffb9216155f7835237f98 Author: Borislav Petkov <bp@suse.de> AuthorDate: Thu, 14 Jan 2021 14:25:35 +01:00 Committer: Borislav Petkov <bp@suse.de> CommitterDate: Tue, 19 Jan 2021 11:06:14 +01:00
x86/entry: Remove put_ret_addr_in_rdi THUNK macro argument
That logic is unused since
320100a5ffe5 ("x86/entry: Remove the TRACE_IRQS cruft")
Remove it.
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/YAAszZJ2GcIYZmB5@hirez.programming.kicks-ass.net --- arch/x86/entry/thunk_64.S | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S index c9a9fbf..496b11e 100644 --- a/arch/x86/entry/thunk_64.S +++ b/arch/x86/entry/thunk_64.S @@ -10,7 +10,7 @@ #include <asm/export.h> /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func, put_ret_addr_in_rdi=0 + .macro THUNK name, func SYM_FUNC_START_NOALIGN(\name) pushq %rbp movq %rsp, %rbp @@ -25,11 +25,6 @@ SYM_FUNC_START_NOALIGN(\name) pushq %r10 pushq %r11 - .if \put_ret_addr_in_rdi - /* 8(%rbp) is return addr on stack */ - movq 8(%rbp), %rdi - .endif - call \func jmp __thunk_restore SYM_FUNC_END(\name)
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