From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Radim Krcmar <rkrcmar@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juergen Gross <jgross@suse.com>,
Pavel Tatashin <pasha.tatashin@oracle.com>,
steven.sistare@oracle.com, daniel.m.jordan@oracle.com,
x86@kernel.org, kvm@vger.kernel.org
Subject: [patch 5/7] x86/kvmclock: Mark variables __initdata and __ro_after_init
Date: Fri, 06 Jul 2018 18:13:12 +0200 [thread overview]
Message-ID: <20180706162049.683940655@linutronix.de> (raw)
In-Reply-To: 20180706161307.733337643@linutronix.de
The kvmclock parameter is init data and the other variables are not
modified after init.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: steven.sistare@oracle.com
Cc: daniel.m.jordan@oracle.com
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
---
arch/x86/kernel/kvmclock.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -32,10 +32,10 @@
#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;
-static int msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK;
-static u64 kvm_sched_clock_offset;
+static int __initdata kvmclock = 1;
+static int msr_kvm_system_time __ro_after_init = MSR_KVM_SYSTEM_TIME;
+static int msr_kvm_wall_clock __ro_after_init = MSR_KVM_WALL_CLOCK;
+static u64 kvm_sched_clock_offset __ro_after_init;
static int __init parse_no_kvmclock(char *arg)
{
@@ -50,7 +50,7 @@ early_param("no-kvmclock", parse_no_kvmc
static u8 hv_clock_mem[PAGE_ALIGN(HV_CLOCK_SIZE)] __aligned(PAGE_SIZE);
/* The hypervisor will put information about time periodically here */
-static struct pvclock_vsyscall_time_info *hv_clock;
+static struct pvclock_vsyscall_time_info *hv_clock __ro_after_init;
static struct pvclock_wall_clock wall_clock;
/*
next prev parent reply other threads:[~2018-07-06 16:24 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-06 16:13 [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Thomas Gleixner
2018-07-06 16:13 ` [patch 1/7] x86/kvmclock: Remove memblock dependency Thomas Gleixner
2018-07-06 16:13 ` [patch 2/7] x86/kvmclock: Remove page size requirement from wall_clock Thomas Gleixner
2018-07-12 2:15 ` Pavel Tatashin
2018-07-06 16:13 ` [patch 3/7] x86/kvmclock: Decrapify kvm_register_clock() Thomas Gleixner
2018-07-06 17:38 ` Paolo Bonzini
2018-07-06 17:39 ` Thomas Gleixner
2018-07-12 2:24 ` Pavel Tatashin
2018-07-06 16:13 ` [patch 4/7] x86/kvmclock: Cleanup the code Thomas Gleixner
2018-07-06 17:39 ` Paolo Bonzini
2018-07-09 9:05 ` Peter Zijlstra
2018-07-09 10:03 ` Thomas Gleixner
2018-07-09 11:32 ` Paolo Bonzini
2018-07-06 16:13 ` Thomas Gleixner [this message]
2018-07-12 2:31 ` [patch 5/7] x86/kvmclock: Mark variables __initdata and __ro_after_init Pavel Tatashin
2018-07-06 16:13 ` [patch 6/7] x86/kvmclock: Move kvmclock vsyscall param and init to kvmclock Thomas Gleixner
2018-07-06 17:43 ` Paolo Bonzini
2018-07-06 19:23 ` Thomas Gleixner
2018-07-12 2:52 ` Pavel Tatashin
2018-07-06 16:13 ` [patch 7/7] x86/kvmclock: Switch kvmclock data to a PER_CPU variable Thomas Gleixner
2018-07-12 3:12 ` Pavel Tatashin
2018-07-06 17:47 ` [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Paolo Bonzini
2018-07-06 23:51 ` Brijesh Singh
2018-07-09 9:22 ` [patch 8/7] x86/kvmclock: Avoid TSC recalibration Peter Zijlstra
2018-07-12 2:12 ` [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Pavel Tatashin
2018-07-13 22:51 ` Thomas Gleixner
2018-07-14 0:20 ` Pavel Tatashin
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