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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-28 22:22:40 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-28 22:22:40 +0200 |
| commit | 7a30bdd99f37352b188575b27924c407c6ddff9e (patch) | |
| tree | 10ea40ab1b5211e75c33eaddb3a6b393ad6ee7ad /arch/x86/xen/xen-asm.S | |
| parent | f36cf386e3fec258a341d446915862eded3e13d8 (diff) | |
| parent | 609488bc979f99f805f34e9a32c1e3b71179d10b (diff) | |
Merge branch master from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Pick up the spectre documentation so the Grand Schemozzle can be added.
Diffstat (limited to 'arch/x86/xen/xen-asm.S')
| -rw-r--r-- | arch/x86/xen/xen-asm.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index 8019edd0125c..be104eef80be 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -10,6 +10,7 @@ #include <asm/percpu.h> #include <asm/processor-flags.h> #include <asm/frame.h> +#include <asm/asm.h> #include <linux/linkage.h> @@ -135,3 +136,18 @@ ENTRY(check_events) FRAME_END ret ENDPROC(check_events) + +ENTRY(xen_read_cr2) + FRAME_BEGIN + _ASM_MOV PER_CPU_VAR(xen_vcpu), %_ASM_AX + _ASM_MOV XEN_vcpu_info_arch_cr2(%_ASM_AX), %_ASM_AX + FRAME_END + ret + ENDPROC(xen_read_cr2); + +ENTRY(xen_read_cr2_direct) + FRAME_BEGIN + _ASM_MOV PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_arch_cr2, %_ASM_AX + FRAME_END + ret + ENDPROC(xen_read_cr2_direct); |