From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Radim Krcmar <rkrcmar@redhat.com>,
Richard Cochran <richardcochran@gmail.com>,
Miroslav Lichvar <mlichvar@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 3/5] kvmclock: export kvmclock clocksource pointer
Date: Fri, 20 Jan 2017 12:51:17 -0200 [thread overview]
Message-ID: <20170120145456.349965154@redhat.com> (raw)
In-Reply-To: 20170120145114.010318134@redhat.com
[-- Attachment #1: kvmclock-export-clocksource --]
[-- Type: text/plain, Size: 1367 bytes --]
To be used by KVM PTP driver.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
arch/x86/include/asm/kvmclock.h | 6 ++++++
arch/x86/kernel/kvmclock.c | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
v2: export kvmclock clocksource structure directly (Paolo)
Index: kvm-ptpdriver/arch/x86/include/asm/kvmclock.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ kvm-ptpdriver/arch/x86/include/asm/kvmclock.h 2017-01-20 11:05:28.720038512 -0200
@@ -0,0 +1,6 @@
+#ifndef _ASM_X86_KVM_CLOCK_H
+#define _ASM_X86_KVM_CLOCK_H
+
+extern struct clocksource kvm_clock;
+
+#endif /* _ASM_X86_KVM_CLOCK_H */
Index: kvm-ptpdriver/arch/x86/kernel/kvmclock.c
===================================================================
--- kvm-ptpdriver.orig/arch/x86/kernel/kvmclock.c 2017-01-20 10:03:44.750489955 -0200
+++ kvm-ptpdriver/arch/x86/kernel/kvmclock.c 2017-01-20 11:05:03.137971637 -0200
@@ -28,6 +28,7 @@
#include <asm/x86_init.h>
#include <asm/reboot.h>
+#include <asm/kvmclock.h>
static int kvmclock __ro_after_init = 1;
static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME;
@@ -174,7 +175,7 @@
return ret;
}
-static struct clocksource kvm_clock = {
+struct clocksource kvm_clock = {
.name = "kvm-clock",
.read = kvm_clock_get_cycles,
.rating = 400,
next prev parent reply other threads:[~2017-01-20 14:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 14:51 [patch 0/5] KVM virtual PTP driver (v4) Marcelo Tosatti
2017-01-20 14:51 ` [patch 1/5] KVM: x86: provide realtime host clock via vsyscall notifiers Marcelo Tosatti
2017-01-20 14:51 ` [patch 2/5] KVM: x86: add KVM_HC_CLOCK_OFFSET hypercall Marcelo Tosatti
2017-01-20 14:51 ` Marcelo Tosatti [this message]
2017-01-20 14:51 ` [patch 4/5] PTP: add PTP_SYS_OFFSET emulation via cross timestamps infrastructure Marcelo Tosatti
2017-01-20 14:51 ` [patch 5/5] PTP: add kvm PTP driver Marcelo Tosatti
2017-01-20 15:03 ` [patch 5/5] PTP: add kvm PTP driver (v2) Marcelo Tosatti
-- strict thread matches above, loose matches on Subject: below --
2017-01-20 12:20 [patch 0/5] KVM virtual PTP driver (v3) Marcelo Tosatti
2017-01-20 12:20 ` [patch 3/5] kvmclock: export kvmclock clocksource pointer Marcelo Tosatti
2017-01-20 12:55 ` Paolo Bonzini
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