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x86/entry: Remove put_ret_addr_in_rdi THUNK macro argument

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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
This commit is contained in:
Borislav Petkov 2021-01-14 14:25:35 +01:00
parent 5e6dca82bc
commit 0bab9cb2d9
1 changed files with 1 additions and 6 deletions
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7
arch/x86/entry/thunk_64.S
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@ -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)