| From | Thomas Gleixner <> | Subject | Re: [patch V9 21/39] x86/irq: Convey vector as argument and not in ptregs | Date | Fri, 22 May 2020 21:34:17 +0200 |
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Thomas Gleixner <tglx@linutronix.de> writes: > + .align 8 > +SYM_CODE_START(irq_entries_start) > + vector=FIRST_EXTERNAL_VECTOR > + pos = . > + .rept (FIRST_SYSTEM_VECTOR - FIRST_EXTERNAL_VECTOR) > + UNWIND_HINT_IRET_REGS > + .byte 0x6a, vector > + jmp common_interrupt > + .nops (pos + 8) - .
Boris pointed out that .nops requires binutils >=2.31 ... Sigh!
The below delta patch works for the purpose.
Thanks,
tglx
--- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -475,7 +475,9 @@ SYM_CODE_START(irq_entries_start) UNWIND_HINT_IRET_REGS .byte 0x6a, vector jmp asm_common_interrupt - .nops (pos + 8) - . + nop + /* Ensure that the above is 8 bytes max */ + . = pos + 8 pos=pos+8 vector=vector+1 .endr @@ -490,7 +492,9 @@ SYM_CODE_START(spurious_entries_start) UNWIND_HINT_IRET_REGS .byte 0x6a, vector jmp asm_spurious_interrupt - .nops (pos + 8) - . + nop + /* Ensure that the above is 8 bytes max */ + . = pos + 8 pos=pos+8 vector=vector+1 .endr
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