From: Vincenzo Frascino <vincenzo.frascino@arm.com> To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, linux-mips@vger.kernel.org, x86@kernel.org Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Arnd Bergmann <arnd@arndb.de>, Russell King <linux@armlinux.org.uk>, Paul Burton <paul.burton@mips.com>, Thomas Gleixner <tglx@linutronix.de>, Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Stephen Boyd <sboyd@kernel.org>, Mark Salyzyn <salyzyn@android.com>, Kees Cook <keescook@chromium.org>, Peter Collingbourne <pcc@google.com>, Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin <avagin@openvz.org>, Nick Desaulniers <ndesaulniers@google.com>, Marc Zyngier <maz@kernel.org>, Mark Rutland <Mark.Rutland@arm.com> Subject: [PATCH v4 24/26] arm: vdso: Enable arm to use common headers Date: Tue, 17 Mar 2020 12:22:18 +0000 [thread overview] Message-ID: <20200317122220.30393-25-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200317122220.30393-1-vincenzo.frascino@arm.com> Enable arm to use only the common headers in the implementation of the vDSO library. Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/arm/include/asm/cp15.h | 20 +------------ arch/arm/include/asm/processor.h | 11 +------ arch/arm/include/asm/vdso/cp15.h | 38 ++++++++++++++++++++++++ arch/arm/include/asm/vdso/gettimeofday.h | 4 +-- arch/arm/include/asm/vdso/processor.h | 22 ++++++++++++++ 5 files changed, 64 insertions(+), 31 deletions(-) create mode 100644 arch/arm/include/asm/vdso/cp15.h create mode 100644 arch/arm/include/asm/vdso/processor.h diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index d2453e2d3f1f..a54230e65647 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -50,25 +50,7 @@ #ifdef CONFIG_CPU_CP15 -#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \ - "mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32 -#define __ACCESS_CP15_64(Op1, CRm) \ - "mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64 - -#define __read_sysreg(r, w, c, t) ({ \ - t __val; \ - asm volatile(r " " c : "=r" (__val)); \ - __val; \ -}) -#define read_sysreg(...) __read_sysreg(__VA_ARGS__) - -#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v))) -#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__) - -#define BPIALL __ACCESS_CP15(c7, 0, c5, 6) -#define ICIALLU __ACCESS_CP15(c7, 0, c5, 0) - -#define CNTVCT __ACCESS_CP15_64(1, c14) +#include <asm/vdso/cp15.h> extern unsigned long cr_alignment; /* defined in entry-armv.S */ diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 614bf829e454..b9241051e5cb 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -14,6 +14,7 @@ #include <asm/ptrace.h> #include <asm/types.h> #include <asm/unified.h> +#include <asm/vdso/processor.h> #ifdef __KERNEL__ #define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \ @@ -85,16 +86,6 @@ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); -#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) -#define cpu_relax() \ - do { \ - smp_mb(); \ - __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \ - } while (0) -#else -#define cpu_relax() barrier() -#endif - #define task_pt_regs(p) \ ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) diff --git a/arch/arm/include/asm/vdso/cp15.h b/arch/arm/include/asm/vdso/cp15.h new file mode 100644 index 000000000000..bed16fa1865e --- /dev/null +++ b/arch/arm/include/asm/vdso/cp15.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 ARM Ltd. + */ +#ifndef __ASM_VDSO_CP15_H +#define __ASM_VDSO_CP15_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_CPU_CP15 + +#include <linux/stringify.h> + +#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \ + "mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32 +#define __ACCESS_CP15_64(Op1, CRm) \ + "mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64 + +#define __read_sysreg(r, w, c, t) ({ \ + t __val; \ + asm volatile(r " " c : "=r" (__val)); \ + __val; \ +}) +#define read_sysreg(...) __read_sysreg(__VA_ARGS__) + +#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v))) +#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__) + +#define BPIALL __ACCESS_CP15(c7, 0, c5, 6) +#define ICIALLU __ACCESS_CP15(c7, 0, c5, 0) + +#define CNTVCT __ACCESS_CP15_64(1, c14) + +#endif /* CONFIG_CPU_CP15 */ + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_VDSO_CP15_H */ diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h index 07d791c65cf7..36dc18553ed8 100644 --- a/arch/arm/include/asm/vdso/gettimeofday.h +++ b/arch/arm/include/asm/vdso/gettimeofday.h @@ -7,9 +7,9 @@ #ifndef __ASSEMBLY__ -#include <asm/barrier.h> -#include <asm/cp15.h> +#include <asm/errno.h> #include <asm/unistd.h> +#include <asm/vdso/cp15.h> #include <uapi/linux/time.h> #define VDSO_HAS_CLOCK_GETRES 1 diff --git a/arch/arm/include/asm/vdso/processor.h b/arch/arm/include/asm/vdso/processor.h new file mode 100644 index 000000000000..45efb3ff511c --- /dev/null +++ b/arch/arm/include/asm/vdso/processor.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 ARM Ltd. + */ +#ifndef __ASM_VDSO_PROCESSOR_H +#define __ASM_VDSO_PROCESSOR_H + +#ifndef __ASSEMBLY__ + +#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) +#define cpu_relax() \ + do { \ + smp_mb(); \ + __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \ + } while (0) +#else +#define cpu_relax() barrier() +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_VDSO_PROCESSOR_H */ -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Vincenzo Frascino <vincenzo.frascino@arm.com> To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, linux-mips@vger.kernel.org, x86@kernel.org Cc: Mark Rutland <Mark.Rutland@arm.com>, Nick Desaulniers <ndesaulniers@google.com>, Dmitry Safonov <0x7f454c46@gmail.com>, Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>, Stephen Boyd <sboyd@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Russell King <linux@armlinux.org.uk>, Mark Salyzyn <salyzyn@android.com>, Paul Burton <paul.burton@mips.com>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Marc Zyngier <maz@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Peter Collingbourne <pcc@google.com>, Andrei Vagin <avagin@openvz.org> Subject: [PATCH v4 24/26] arm: vdso: Enable arm to use common headers Date: Tue, 17 Mar 2020 12:22:18 +0000 [thread overview] Message-ID: <20200317122220.30393-25-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200317122220.30393-1-vincenzo.frascino@arm.com> Enable arm to use only the common headers in the implementation of the vDSO library. Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/arm/include/asm/cp15.h | 20 +------------ arch/arm/include/asm/processor.h | 11 +------ arch/arm/include/asm/vdso/cp15.h | 38 ++++++++++++++++++++++++ arch/arm/include/asm/vdso/gettimeofday.h | 4 +-- arch/arm/include/asm/vdso/processor.h | 22 ++++++++++++++ 5 files changed, 64 insertions(+), 31 deletions(-) create mode 100644 arch/arm/include/asm/vdso/cp15.h create mode 100644 arch/arm/include/asm/vdso/processor.h diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index d2453e2d3f1f..a54230e65647 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -50,25 +50,7 @@ #ifdef CONFIG_CPU_CP15 -#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \ - "mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32 -#define __ACCESS_CP15_64(Op1, CRm) \ - "mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64 - -#define __read_sysreg(r, w, c, t) ({ \ - t __val; \ - asm volatile(r " " c : "=r" (__val)); \ - __val; \ -}) -#define read_sysreg(...) __read_sysreg(__VA_ARGS__) - -#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v))) -#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__) - -#define BPIALL __ACCESS_CP15(c7, 0, c5, 6) -#define ICIALLU __ACCESS_CP15(c7, 0, c5, 0) - -#define CNTVCT __ACCESS_CP15_64(1, c14) +#include <asm/vdso/cp15.h> extern unsigned long cr_alignment; /* defined in entry-armv.S */ diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 614bf829e454..b9241051e5cb 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -14,6 +14,7 @@ #include <asm/ptrace.h> #include <asm/types.h> #include <asm/unified.h> +#include <asm/vdso/processor.h> #ifdef __KERNEL__ #define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \ @@ -85,16 +86,6 @@ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); -#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) -#define cpu_relax() \ - do { \ - smp_mb(); \ - __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \ - } while (0) -#else -#define cpu_relax() barrier() -#endif - #define task_pt_regs(p) \ ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) diff --git a/arch/arm/include/asm/vdso/cp15.h b/arch/arm/include/asm/vdso/cp15.h new file mode 100644 index 000000000000..bed16fa1865e --- /dev/null +++ b/arch/arm/include/asm/vdso/cp15.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 ARM Ltd. + */ +#ifndef __ASM_VDSO_CP15_H +#define __ASM_VDSO_CP15_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_CPU_CP15 + +#include <linux/stringify.h> + +#define __ACCESS_CP15(CRn, Op1, CRm, Op2) \ + "mrc", "mcr", __stringify(p15, Op1, %0, CRn, CRm, Op2), u32 +#define __ACCESS_CP15_64(Op1, CRm) \ + "mrrc", "mcrr", __stringify(p15, Op1, %Q0, %R0, CRm), u64 + +#define __read_sysreg(r, w, c, t) ({ \ + t __val; \ + asm volatile(r " " c : "=r" (__val)); \ + __val; \ +}) +#define read_sysreg(...) __read_sysreg(__VA_ARGS__) + +#define __write_sysreg(v, r, w, c, t) asm volatile(w " " c : : "r" ((t)(v))) +#define write_sysreg(v, ...) __write_sysreg(v, __VA_ARGS__) + +#define BPIALL __ACCESS_CP15(c7, 0, c5, 6) +#define ICIALLU __ACCESS_CP15(c7, 0, c5, 0) + +#define CNTVCT __ACCESS_CP15_64(1, c14) + +#endif /* CONFIG_CPU_CP15 */ + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_VDSO_CP15_H */ diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h index 07d791c65cf7..36dc18553ed8 100644 --- a/arch/arm/include/asm/vdso/gettimeofday.h +++ b/arch/arm/include/asm/vdso/gettimeofday.h @@ -7,9 +7,9 @@ #ifndef __ASSEMBLY__ -#include <asm/barrier.h> -#include <asm/cp15.h> +#include <asm/errno.h> #include <asm/unistd.h> +#include <asm/vdso/cp15.h> #include <uapi/linux/time.h> #define VDSO_HAS_CLOCK_GETRES 1 diff --git a/arch/arm/include/asm/vdso/processor.h b/arch/arm/include/asm/vdso/processor.h new file mode 100644 index 000000000000..45efb3ff511c --- /dev/null +++ b/arch/arm/include/asm/vdso/processor.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 ARM Ltd. + */ +#ifndef __ASM_VDSO_PROCESSOR_H +#define __ASM_VDSO_PROCESSOR_H + +#ifndef __ASSEMBLY__ + +#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) +#define cpu_relax() \ + do { \ + smp_mb(); \ + __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \ + } while (0) +#else +#define cpu_relax() barrier() +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_VDSO_PROCESSOR_H */ -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-17 12:24 UTC|newest] Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-17 12:21 [PATCH v4 00/26] Introduce common headers for vDSO Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 01/26] linux/const.h: Extract common header " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 02/26] linux/bits.h: " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 03/26] linux/limits.h: " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 04/26] x86:Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 05/26] arm: Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 06/26] arm64: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 07/26] mips: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 08/26] linux/clocksource.h: Extract common header for vDSO Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 09/26] linux/math64.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 10/26] linux/time.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 11/26] linux/time32.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 12/26] linux/time64.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 13/26] linux/jiffies.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 14/26] linux/ktime.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 15/26] common: Introduce processor.h Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 16/26] scripts: Fix the inclusion order in modpost Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 17/26] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 18/26] arm64: vdso32: Replace TASK_SIZE_32 check in vgettimeofday Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 17:48 ` Catalin Marinas 2020-03-17 17:48 ` Catalin Marinas 2020-03-17 17:48 ` Catalin Marinas 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 18:36 ` Catalin Marinas 2020-03-18 18:36 ` Catalin Marinas 2020-03-18 18:36 ` Catalin Marinas 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 18:10 ` Catalin Marinas 2020-03-19 18:10 ` Catalin Marinas 2020-03-19 18:10 ` Catalin Marinas 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 18:32 ` Will Deacon 2020-03-19 18:32 ` Will Deacon 2020-03-19 18:32 ` Will Deacon 2020-03-21 14:33 ` [tip: timers/core] arm64: vdso32: Code clean up tip-bot2 for Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 19/26] arm64: Introduce asm/vdso/processor.h Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 12:22 ` [PATCH v4 20/26] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 21/26] arm64: vdso32: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 22/26] mips: vdso: Enable mips to use common headers Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 23/26] x86: vdso: Enable x86 " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino [this message] 2020-03-17 12:22 ` [PATCH v4 24/26] arm: vdso: Enable arm " Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 25/26] lib: vdso: Enable " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 26/26] arm64: vdso32: Enable Clang Compilation Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino
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