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x86/entry: Remove the apic/BUILD interrupt leftovers

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Remove all the code which was there to emit the system vector stubs. All
users are gone.

Move the now unused GET_CR2_INTO macro muck to head_64.S where the last
user is. Fixup the eye hurting comment there while at it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202119.927433002@linutronix.de
This commit is contained in:
Thomas Gleixner
2020-05-21 22:05:46 +02:00
parent 13cad9851e
commit 75da04f7f3
5 changed files with 4 additions and 196 deletions
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20
arch/x86/entry/calling.h
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@@ -351,23 +351,3 @@ For 32-bit we have the following conventions - kernel is built with
call stackleak_erase
#endif
.endm
/*
* This does 'call enter_from_user_mode' unless we can avoid it based on
* kernel config or using the static jump infrastructure.
*/
.macro CALL_enter_from_user_mode
#ifdef CONFIG_CONTEXT_TRACKING
#ifdef CONFIG_JUMP_LABEL
STATIC_JUMP_IF_FALSE .Lafter_call_\@, context_tracking_key, def=0
#endif
call enter_from_user_mode
.Lafter_call_\@:
#endif
.endm
#ifdef CONFIG_PARAVIRT_XXL
#define GET_CR2_INTO(reg) GET_CR2_INTO_AX ; _ASM_MOV %_ASM_AX, reg
#else
#define GET_CR2_INTO(reg) _ASM_MOV %cr2, reg
#endif