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authorDominik Brodowski <linux@dominikbrodowski.net>2018-02-20 22:01:11 +0100
committerIngo Molnar <mingo@kernel.org>2018-02-21 16:54:04 +0100
commit3aa99fc3e708b9cd9b4cfe2df0b7a66cf293e3cf (patch)
tree2da100dfe16abac58ec2d149b9baba1297df88f0
parent90a6acc4e7ebafa8672a7a1a5b23fbad3dd04130 (diff)
downloadlinux-3aa99fc3e708b9cd9b4cfe2df0b7a66cf293e3cf.tar.gz
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>
-rw-r--r--arch/x86/entry/entry_64.S16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index b45d76649eff46..8ea03cf94a2dad 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