linux-kernel - [tip:x86/timers] x86/kvmclock: Mark variables __initdata and __ro_after

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Date:   Thu, 19 Jul 2018 15:24:10 -0700
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     pasha.tatashin@...cle.com, pbonzini@...hat.com, mingo@...nel.org,
        tglx@...utronix.de, hpa@...or.com, linux-kernel@...r.kernel.org
Subject: [tip:x86/timers] x86/kvmclock: Mark variables __initdata and
 __ro_after_init

Commit-ID:  42f8df935efefba51d0c5321b1325436523e3377
Gitweb:     https://git.kernel.org/tip/42f8df935efefba51d0c5321b1325436523e3377
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 19 Jul 2018 16:55:24 -0400
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 20 Jul 2018 00:02:37 +0200

x86/kvmclock: Mark variables __initdata and __ro_after_init

The kvmclock parameter is init data and the other variables are not
modified after init.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Pavel Tatashin <pasha.tatashin@...cle.com>
Acked-by: Paolo Bonzini <pbonzini@...hat.com>
Cc: steven.sistare@...cle.com
Cc: daniel.m.jordan@...cle.com
Cc: linux@...linux.org.uk
Cc: schwidefsky@...ibm.com
Cc: heiko.carstens@...ibm.com
Cc: john.stultz@...aro.org
Cc: sboyd@...eaurora.org
Cc: hpa@...or.com
Cc: douly.fnst@...fujitsu.com
Cc: peterz@...radead.org
Cc: prarit@...hat.com
Cc: feng.tang@...el.com
Cc: pmladek@...e.com
Cc: gnomes@...rguk.ukuu.org.uk
Cc: linux-s390@...r.kernel.org
Cc: boris.ostrovsky@...cle.com
Cc: jgross@...e.com
Link: https://lkml.kernel.org/r/20180719205545.16512-6-pasha.tatashin@oracle.com

---
 arch/x86/kernel/kvmclock.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 4afb03e49a4f..78aec160f5e0 100644
--- 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 kvmclock __initdata = 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_kvmclock);
 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;
 
 /*