Messages in this thread Patch in this message | | | From | Dominik Brodowski <> | Subject | [RFC PATCH 4/4] x86/entry/64: remove interrupt macro | Date | Wed, 14 Feb 2018 19:21:13 +0100 |
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It is now trivial to call the interrupt helper function and then the actual worker. Therefore, remove the interrupt macro.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> --- arch/x86/entry/entry_64.S | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index b60a3b692ca9..09205da68764 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -607,15 +607,6 @@ ENTRY(interrupt_helper) ret END(interrupt_helper) -/* 0(%rsp): ~(interrupt number) */ - .macro interrupt func - cld - - call interrupt_helper - - call \func /* rdi points to pt_regs */ - .endm - /* * The interrupt stubs push (~vector+0x80) onto the stack and * then jump to common_interrupt. @@ -624,7 +615,8 @@ END(interrupt_helper) common_interrupt: ASM_CLAC addq $-0x80, (%rsp) /* Adjust vector to [-256, -1] range */ - interrupt do_IRQ + call interrupt_helper + call do_IRQ /* rdi points to pt_regs */ /* 0(%rsp): old RSP */ ret_from_intr: DISABLE_INTERRUPTS(CLBR_ANY) @@ -816,7 +808,8 @@ ENTRY(\sym) ASM_CLAC pushq $~(\num) .Lcommon_\sym: - interrupt \do_sym + call interrupt_helper + call \do_sym /* rdi points to pt_regs */ jmp ret_from_intr END(\sym) .endm -- 2.16.1
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