linux-kernel - [PATCH 1/3] x86/vdso: Remove unused 'mask' member

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Date:   Thu, 11 Apr 2019 11:12:03 +0100
From:   Huw Davies <huw@...eweavers.com>
To:     linux kernel <linux-kernel@...r.kernel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>
Subject: [PATCH 1/3] x86/vdso: Remove unused 'mask' member

The 'mask' member of struct vsyscall_gtod_data is unused, so remove
it.  Its use was removed in commit a51e996d48ac (x86/vdso: Enforce
64bit clocksource).

Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andy Lutomirski <luto@...nel.org>
Signed-off-by: Huw Davies <huw@...eweavers.com>
---
 arch/x86/entry/vsyscall/vsyscall_gtod.c | 1 -
 arch/x86/include/asm/vgtod.h            | 1 -
 2 files changed, 2 deletions(-)

diff --git a/arch/x86/entry/vsyscall/vsyscall_gtod.c b/arch/x86/entry/vsyscall/vsyscall_gtod.c
index cfcdba082feb..e4ee83018279 100644
--- a/arch/x86/entry/vsyscall/vsyscall_gtod.c
+++ b/arch/x86/entry/vsyscall/vsyscall_gtod.c
@@ -43,7 +43,6 @@ void update_vsyscall(struct timekeeper *tk)
 	/* copy vsyscall data */
 	vdata->vclock_mode	= vclock_mode;
 	vdata->cycle_last	= tk->tkr_mono.cycle_last;
-	vdata->mask		= tk->tkr_mono.mask;
 	vdata->mult		= tk->tkr_mono.mult;
 	vdata->shift		= tk->tkr_mono.shift;
 
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 913a133f8e6f..daf69a25e46b 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -40,7 +40,6 @@ struct vsyscall_gtod_data {
 
 	int		vclock_mode;
 	u64		cycle_last;
-	u64		mask;
 	u32		mult;
 	u32		shift;
 
-- 
2.17.1