Re: [PATCH 1/2] kvm/x86: rename kvm's read_tsc() as kvm_read_host_tsc()

From: Paolo Bonzini
Date: Sat Feb 19 2022 - 03:40:40 EST


On 2/18/22 23:18, Pete Swain wrote:
Avoid clash with host driver's INDIRECT_CALLABLE_SCOPE read_tsc()

Signed-off-by: Pete Swain <swine@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 641044db415d..0424d77cd214 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2632,7 +2632,7 @@ static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment)
#ifdef CONFIG_X86_64
-static u64 read_tsc(void)
+static u64 kvm_read_host_tsc(void)
{
u64 ret = (u64)rdtsc_ordered();
u64 last = pvclock_gtod_data.clock.cycle_last;
@@ -2674,7 +2674,7 @@ static inline u64 vgettsc(struct pvclock_clock *clock, u64 *tsc_timestamp,
break;
case VDSO_CLOCKMODE_TSC:
*mode = VDSO_CLOCKMODE_TSC;
- *tsc_timestamp = read_tsc();
+ *tsc_timestamp = kvm_read_host_tsc();
v = (*tsc_timestamp - clock->cycle_last) &
clock->mask;
break;

Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Paolo