From: Mark Rutland <mark.rutland@arm.com> To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com, dave.martin@arm.com, james.morse@arm.com, linux@dominikbrodowski.net, linux-fsdevel@vger.kernel.org, marc.zyngier@arm.com, mark.rutland@arm.com, viro@zeniv.linux.org.uk, will.deacon@arm.com Subject: [PATCH 01/18] arm64: consistently use unsigned long for thread flags Date: Mon, 14 May 2018 10:46:23 +0100 [thread overview] Message-ID: <20180514094640.27569-2-mark.rutland@arm.com> (raw) In-Reply-To: <20180514094640.27569-1-mark.rutland@arm.com> In do_notify_resume, we manipulate thread_flags as a 32-bit unsigned int, whereas thread_info::flags is a 64-bit unsigned long, and elsewhere (e.g. in the entry assembly) we manipulate the flags as a 64-bit quantity. For consistency, and to avoid problems if we end up with more than 32 flags, let's make do_notify_resume take the flags as a 64-bit unsigned long. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> --- arch/arm64/kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 154b7d30145d..8e624fec4707 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -896,7 +896,7 @@ static void do_signal(struct pt_regs *regs) } asmlinkage void do_notify_resume(struct pt_regs *regs, - unsigned int thread_flags) + unsigned long thread_flags) { /* * The assembly code enters us with IRQs off, but it hasn't -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: mark.rutland@arm.com (Mark Rutland) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 01/18] arm64: consistently use unsigned long for thread flags Date: Mon, 14 May 2018 10:46:23 +0100 [thread overview] Message-ID: <20180514094640.27569-2-mark.rutland@arm.com> (raw) In-Reply-To: <20180514094640.27569-1-mark.rutland@arm.com> In do_notify_resume, we manipulate thread_flags as a 32-bit unsigned int, whereas thread_info::flags is a 64-bit unsigned long, and elsewhere (e.g. in the entry assembly) we manipulate the flags as a 64-bit quantity. For consistency, and to avoid problems if we end up with more than 32 flags, let's make do_notify_resume take the flags as a 64-bit unsigned long. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> --- arch/arm64/kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 154b7d30145d..8e624fec4707 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -896,7 +896,7 @@ static void do_signal(struct pt_regs *regs) } asmlinkage void do_notify_resume(struct pt_regs *regs, - unsigned int thread_flags) + unsigned long thread_flags) { /* * The assembly code enters us with IRQs off, but it hasn't -- 2.11.0
next prev parent reply other threads:[~2018-05-14 9:47 UTC|newest] Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-05-14 9:46 [PATCH 00/18] arm64: invoke syscalls with pt_regs Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 9:46 ` Mark Rutland [this message] 2018-05-14 9:46 ` [PATCH 01/18] arm64: consistently use unsigned long for thread flags Mark Rutland 2018-05-14 9:57 ` Dave Martin 2018-05-14 9:57 ` Dave Martin 2018-05-14 9:46 ` [PATCH 02/18] arm64: move SCTLR_EL{1,2} assertions to <asm/sysreg.h> Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 10:00 ` Dave Martin 2018-05-14 10:00 ` Dave Martin 2018-05-14 10:08 ` Mark Rutland 2018-05-14 10:08 ` Mark Rutland 2018-05-14 11:20 ` Dave Martin 2018-05-14 11:20 ` Dave Martin 2018-05-14 11:56 ` Robin Murphy 2018-05-14 11:56 ` Robin Murphy 2018-05-14 12:06 ` Mark Rutland 2018-05-14 12:06 ` Mark Rutland 2018-05-14 12:41 ` Dave Martin 2018-05-14 12:41 ` Dave Martin 2018-05-14 13:10 ` Mark Rutland 2018-05-14 13:10 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 03/18] arm64: introduce sysreg_clear_set() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 10:04 ` Dave Martin 2018-05-14 10:04 ` Dave Martin 2018-05-14 9:46 ` [PATCH 04/18] arm64: kill config_sctlr_el1() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 10:05 ` Dave Martin 2018-05-14 10:05 ` Dave Martin 2018-05-14 9:46 ` [PATCH 05/18] arm64: kill change_cpacr() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 10:06 ` Dave Martin 2018-05-14 10:06 ` Dave Martin 2018-05-14 9:46 ` [PATCH 06/18] arm64: move sve_user_{enable,disable} to <asm/fpsimd.h> Mark Rutland 2018-05-14 9:46 ` [PATCH 06/18] arm64: move sve_user_{enable, disable} " Mark Rutland 2018-05-14 11:06 ` Dave Martin 2018-05-14 11:06 ` Dave Martin 2018-05-15 10:39 ` Mark Rutland 2018-05-15 10:39 ` Mark Rutland 2018-05-15 12:19 ` Dave Martin 2018-05-15 12:19 ` Dave Martin 2018-05-15 16:33 ` Mark Rutland 2018-05-15 16:33 ` Mark Rutland 2018-05-16 9:01 ` Dave Martin 2018-05-16 9:01 ` Dave Martin 2018-06-01 10:29 ` Mark Rutland 2018-06-01 10:29 ` Mark Rutland 2018-06-01 10:42 ` Dave Martin 2018-06-01 10:42 ` Dave Martin 2018-05-14 9:46 ` [PATCH 07/18] arm64: remove sigreturn wrappers Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:07 ` Dave Martin 2018-05-14 9:46 ` [PATCH 08/18] arm64: convert raw syscall invocation to C Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:41 ` Mark Rutland 2018-05-14 11:41 ` Mark Rutland 2018-05-14 12:53 ` Dave Martin 2018-05-14 12:53 ` Dave Martin 2018-05-14 20:24 ` Dominik Brodowski 2018-05-14 20:24 ` Dominik Brodowski 2018-05-15 8:22 ` Mark Rutland 2018-05-15 8:22 ` Mark Rutland 2018-05-15 10:01 ` Dominik Brodowski 2018-05-15 10:01 ` Dominik Brodowski 2018-05-15 10:13 ` Mark Rutland 2018-05-15 10:13 ` Mark Rutland 2018-05-14 18:00 ` Dominik Brodowski 2018-05-14 18:00 ` Dominik Brodowski 2018-05-15 8:18 ` Mark Rutland 2018-05-15 8:18 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 09/18] arm64: convert syscall trace logic " Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 10/18] arm64: convert native/compat syscall entry " Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:58 ` Mark Rutland 2018-05-14 11:58 ` Mark Rutland 2018-05-14 14:43 ` Dave Martin 2018-05-14 14:43 ` Dave Martin 2018-05-14 15:01 ` Mark Rutland 2018-05-14 15:01 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 11/18] arm64: zero GPRs upon entry from EL0 Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 11:07 ` Dave Martin 2018-05-14 11:07 ` Dave Martin 2018-05-14 9:46 ` [PATCH 12/18] kernel: add ksys_personality() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 11:08 ` Dave Martin 2018-05-14 11:08 ` Dave Martin 2018-05-14 12:07 ` Christoph Hellwig 2018-05-14 12:07 ` Christoph Hellwig 2018-05-15 9:56 ` Mark Rutland 2018-05-15 9:56 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 13/18] kernel: add kcompat_sys_{f,}statfs64() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 17:14 ` Mark Rutland 2018-05-14 17:14 ` Mark Rutland 2018-05-14 20:34 ` Dominik Brodowski 2018-05-14 20:34 ` Dominik Brodowski 2018-05-15 9:53 ` Mark Rutland 2018-05-15 9:53 ` Mark Rutland 2018-05-15 9:58 ` Dominik Brodowski 2018-05-15 9:58 ` Dominik Brodowski 2018-05-14 9:46 ` [PATCH 14/18] arm64: remove in-kernel call to sys_personality() Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 15/18] arm64: use {COMPAT,}SYSCALL_DEFINE0 for sigreturn Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 16/18] arm64: use SYSCALL_DEFINE6() for mmap Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 17/18] arm64: convert compat wrappers to C Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 12:10 ` Christoph Hellwig 2018-05-14 12:10 ` Christoph Hellwig 2018-05-14 12:43 ` Mark Rutland 2018-05-14 12:43 ` Mark Rutland 2018-05-14 9:46 ` [PATCH 18/18] arm64: implement syscall wrappers Mark Rutland 2018-05-14 9:46 ` Mark Rutland 2018-05-14 20:57 ` Dominik Brodowski 2018-05-14 20:57 ` Dominik Brodowski 2018-05-15 8:37 ` Mark Rutland 2018-05-15 8:37 ` Mark Rutland
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