linux-kernel - [PATCH 1/2] kvm/x86: rename kvm's read_tsc() as kvm_read_host

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Message-Id: <20220218221820.950118-1-swine@google.com>
Date:   Fri, 18 Feb 2022 14:18:19 -0800
From:   Pete Swain <swine@...gle.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc:     "H. Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Johan Hovold <johan@...nel.org>,
        Feng Tang <feng.tang@...el.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Pete Swain <swine@...gle.com>
Subject: [PATCH 1/2] kvm/x86: rename kvm's read_tsc() as kvm_read_host_tsc()

Avoid clash with host driver's INDIRECT_CALLABLE_SCOPE read_tsc()

Signed-off-by: Pete Swain <swine@...gle.com>
---
 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;
-- 
2.35.1.473.g83b2b277ed-goog