From: Denis Mukhin <dmuk...@ford.com> The new toolchain baseline knows the STAC/CLAC instructions, no need to carry the workaround in the code.
Resolves: https://gitlab.com/xen-project/xen/-/work_items/203 Signed-off-by: Denis Mukhin <dmuk...@ford.com> --- xen/arch/x86/arch.mk | 1 - xen/arch/x86/include/asm/asm-defns.h | 10 ---------- 2 files changed, 11 deletions(-) diff --git a/xen/arch/x86/arch.mk b/xen/arch/x86/arch.mk index 42c3aa73da..e9fa1c92d7 100644 --- a/xen/arch/x86/arch.mk +++ b/xen/arch/x86/arch.mk @@ -15,7 +15,6 @@ $(call as-option-add,CFLAGS,CC,"rdrand %eax",-DHAVE_AS_RDRAND) $(call as-option-add,CFLAGS,CC,"rdfsbase %rax",-DHAVE_AS_FSGSBASE) $(call as-option-add,CFLAGS,CC,"xsaveopt (%rax)",-DHAVE_AS_XSAVEOPT) $(call as-option-add,CFLAGS,CC,"rdseed %eax",-DHAVE_AS_RDSEED) -$(call as-option-add,CFLAGS,CC,"clac",-DHAVE_AS_CLAC_STAC) $(call as-option-add,CFLAGS,CC,"clwb (%rax)",-DHAVE_AS_CLWB) $(call as-option-add,CFLAGS,CC,".equ \"x\"$(comma)1",-DHAVE_AS_QUOTED_SYM) $(call as-option-add,CFLAGS,CC,"invpcid (%rax)$(comma)%rax",-DHAVE_AS_INVPCID) diff --git a/xen/arch/x86/include/asm/asm-defns.h b/xen/arch/x86/include/asm/asm-defns.h index 32d6b44910..ab653f3218 100644 --- a/xen/arch/x86/include/asm/asm-defns.h +++ b/xen/arch/x86/include/asm/asm-defns.h @@ -1,15 +1,5 @@ #include <asm/page-bits.h> -#ifndef HAVE_AS_CLAC_STAC -.macro clac - .byte 0x0f, 0x01, 0xca -.endm - -.macro stac - .byte 0x0f, 0x01, 0xcb -.endm -#endif - .macro vmrun .byte 0x0f, 0x01, 0xd8 .endm -- 2.34.1
