[merged] arch-x86-use-sign_extend64-for-sign-extension.patch removed from -mm tree

[merged] arch-x86-use-sign_extend64-for-sign-extension.patch removed from -mm tree

[akpm]

The patch titled
     Subject: arch/x86/kernel/cpu/perf_event_msr.c: use sign_extend64() for sign extension
has been removed from the -mm tree.  Its filename was
     arch-x86-use-sign_extend64-for-sign-extension.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Martin Kepplinger <martink@posteo.de>
Subject: arch/x86/kernel/cpu/perf_event_msr.c: use sign_extend64() for sign extension

Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/kernel/cpu/perf_event_msr.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff -puN arch/x86/kernel/cpu/perf_event_msr.c~arch-x86-use-sign_extend64-for-sign-extension arch/x86/kernel/cpu/perf_event_msr.c
--- a/arch/x86/kernel/cpu/perf_event_msr.c~arch-x86-use-sign_extend64-for-sign-extension
+++ a/arch/x86/kernel/cpu/perf_event_msr.c
@@ -163,10 +163,9 @@ again:
 		goto again;
 
 	delta = now - prev;
-	if (unlikely(event->hw.event_base == MSR_SMI_COUNT)) {
-		delta <<= 32;
-		delta >>= 32; /* sign extend */
-	}
+	if (unlikely(event->hw.event_base == MSR_SMI_COUNT))
+		delta = sign_extend64(delta, 31);
+
 	local64_add(now - prev, &event->count);
 }
 
_

Patches currently in -mm which might be from martink@posteo.de are