Messages in this thread Patch in this message | | | Date | Wed, 21 Feb 2018 02:47:05 -0800 | From | tip-bot for Dominik Brodowski <> | Subject | [tip:x86/pti] x86/entry/64: Remove 'interrupt' macro |
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Commit-ID: 9aaa78dee43a61febabddeab44ea9da90dd05ba8 Gitweb: https://git.kernel.org/tip/9aaa78dee43a61febabddeab44ea9da90dd05ba8 Author: Dominik Brodowski <linux@dominikbrodowski.net> AuthorDate: Tue, 20 Feb 2018 22:01:11 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 21 Feb 2018 10:04:47 +0100
x86/entry/64: Remove 'interrupt' macro
It is now trivial to call interrupt_entry() and then the actual worker. Therefore, remove the interrupt macro and open code it all.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: dan.j.williams@intel.com Link: http://lkml.kernel.org/r/20180220210113.6725-5-linux@dominikbrodowski.net Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/entry/entry_64.S | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index b45d766..8ea03cf 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -608,14 +608,6 @@ ENTRY(interrupt_entry) ret END(interrupt_entry) -/* 0(%rsp): ~(interrupt number) */ - .macro interrupt func - call interrupt_entry - - UNWIND_HINT_REGS indirect=1 - 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 +616,9 @@ END(interrupt_entry) common_interrupt: ASM_CLAC addq $-0x80, (%rsp) /* Adjust vector to [-256, -1] range */ - interrupt do_IRQ + call interrupt_entry + UNWIND_HINT_REGS indirect=1 + call do_IRQ /* rdi points to pt_regs */ /* 0(%rsp): old RSP */ ret_from_intr: DISABLE_INTERRUPTS(CLBR_ANY) @@ -820,7 +814,9 @@ ENTRY(\sym) ASM_CLAC pushq $~(\num) .Lcommon_\sym: - interrupt \do_sym + call interrupt_entry + UNWIND_HINT_REGS indirect=1 + call \do_sym /* rdi points to pt_regs */ jmp ret_from_intr END(\sym) .endm
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