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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-07-08 21:51:57 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-09 13:08:40 +0200 |
| commit | 3ebccdf373c21d8697782b7e8d5af0adc9c26e04 (patch) | |
| tree | ada628b4cf4c34e0f54c93ba3830d7149bf6b0f8 /arch/x86/kvm/vmx/vmenter.S | |
| parent | x86/kvm/svm: Add hardirq tracing on guest enter/exit (diff) | |
| download | linux-3ebccdf373c21d8697782b7e8d5af0adc9c26e04.tar.xz linux-3ebccdf373c21d8697782b7e8d5af0adc9c26e04.zip | |
x86/kvm/vmx: Move guest enter/exit into .noinstr.text
Move the functions which are inside the RCU off region into the
non-instrumentable text section.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200708195322.037311579@linutronix.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/vmenter.S')
| -rw-r--r-- | arch/x86/kvm/vmx/vmenter.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index e0a182cb3cdd..799db084a336 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -27,7 +27,7 @@ #define VCPU_R15 __VCPU_REGS_R15 * WORD_SIZE #endif - .text +.section .noinstr.text, "ax" /** * vmx_vmenter - VM-Enter the current loaded VMCS @@ -234,6 +234,9 @@ SYM_FUNC_START(__vmx_vcpu_run) jmp 1b SYM_FUNC_END(__vmx_vcpu_run) + +.section .text, "ax" + /** * vmread_error_trampoline - Trampoline from inline asm to vmread_error() * @field: VMCS field encoding that failed |