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From: "tip-bot2 for Vincenzo Frascino" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>, x86 <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [tip: timers/core] x86/vdso: Enable x86 to use common headers
Date: Sat, 21 Mar 2020 14:33:24 -0000	[thread overview]
Message-ID: <158480120455.28353.18216444318007349427.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20200320145351.32292-24-vincenzo.frascino@arm.com>

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     abc22418db02b986fc5623c035507b6357e191ed
Gitweb:        https://git.kernel.org/tip/abc22418db02b986fc5623c035507b6357e191ed
Author:        Vincenzo Frascino <vincenzo.frascino@arm.com>
AuthorDate:    Fri, 20 Mar 2020 14:53:48 
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 21 Mar 2020 15:24:02 +01:00

x86/vdso: Enable x86 to use common headers

Enable x86 to use only the common headers in the implementation
of the vDSO library.

Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200320145351.32292-24-vincenzo.frascino@arm.com

---
 arch/x86/include/asm/processor.h      | 12 +-----------
 arch/x86/include/asm/vdso/processor.h | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 11 deletions(-)
 create mode 100644 arch/x86/include/asm/vdso/processor.h

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 09705cc..94789db 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -26,6 +26,7 @@ struct vm86;
 #include <asm/fpu/types.h>
 #include <asm/unwind_hints.h>
 #include <asm/vmxfeatures.h>
+#include <asm/vdso/processor.h>
 
 #include <linux/personality.h>
 #include <linux/cache.h>
@@ -677,17 +678,6 @@ static inline unsigned int cpuid_edx(unsigned int op)
 	return edx;
 }
 
-/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
-static __always_inline void rep_nop(void)
-{
-	asm volatile("rep; nop" ::: "memory");
-}
-
-static __always_inline void cpu_relax(void)
-{
-	rep_nop();
-}
-
 /*
  * This function forces the icache and prefetched instruction stream to
  * catch up with reality in two very specific cases:
diff --git a/arch/x86/include/asm/vdso/processor.h b/arch/x86/include/asm/vdso/processor.h
new file mode 100644
index 0000000..57b1a70
--- /dev/null
+++ b/arch/x86/include/asm/vdso/processor.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 ARM Ltd.
+ */
+#ifndef __ASM_VDSO_PROCESSOR_H
+#define __ASM_VDSO_PROCESSOR_H
+
+#ifndef __ASSEMBLY__
+
+/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
+static __always_inline void rep_nop(void)
+{
+	asm volatile("rep; nop" ::: "memory");
+}
+
+static __always_inline void cpu_relax(void)
+{
+	rep_nop();
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_VDSO_PROCESSOR_H */

  reply	other threads:[~2020-03-21 14:34 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20 14:53 [PATCH v5 00/26] Introduce common headers for vDSO Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 01/26] linux/const.h: Extract common header " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 02/26] linux/bits.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 03/26] linux/limits.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 04/26] x86:Introduce asm/vdso/clocksource.h Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] x86: Introduce asm/vdso/clocksource.h tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 05/26] arm: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 06/26] arm64: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 07/26] mips: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 08/26] linux/clocksource.h: Extract common header for vDSO Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 09/26] linux/math64.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 10/26] linux/time.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 11/26] linux/time32.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 12/26] linux/time64.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 13/26] linux/jiffies.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 14/26] linux/ktime.h: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 15/26] common: Introduce processor.h Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 16/26] scripts: Fix the inclusion order in modpost Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 17/26] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 18/26] arm64: vdso32: Code clean up Vincenzo Frascino
2020-03-20 15:26   ` Catalin Marinas
2020-03-20 23:21   ` Stephen Boyd
2020-03-21 12:06     ` Catalin Marinas
2020-03-20 14:53 ` [PATCH v5 19/26] arm64: Introduce asm/vdso/processor.h Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 20/26] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 21/26] arm64: vdso32: " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 22/26] mips: vdso: Enable mips to use common headers Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 23/26] x86: vdso: Enable x86 " Vincenzo Frascino
2020-03-21 14:33   ` tip-bot2 for Vincenzo Frascino [this message]
2020-03-20 14:53 ` [PATCH v5 24/26] arm: vdso: Enable arm " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 25/26] lib: vdso: Enable " Vincenzo Frascino
2020-03-21 14:33   ` [tip: timers/core] lib/vdso: " tip-bot2 for Vincenzo Frascino
2020-03-20 14:53 ` [PATCH v5 26/26] arm64: vdso32: Enable Clang Compilation Vincenzo Frascino
2020-03-20 23:15   ` Stephen Boyd
2020-03-21 14:33   ` [tip: timers/core] " tip-bot2 for Vincenzo Frascino

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