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From: Peter Zijlstra <peterz@infradead.org>
To: Peter Oskolkov <posk@google.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	"Paul E . McKenney" <paulmck@kernel.org>,
	Boqun Feng <boqun.feng@gmail.com>,
	linux-kernel@vger.kernel.org, Paul Turner <pjt@google.com>,
	Chris Kennelly <ckennelly@google.com>,
	Peter Oskolkov <posk@posk.io>, Shuah Khan <shuah@kernel.org>,
	linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v8 1/3] rseq/membarrier: add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ
Date: Fri, 25 Sep 2020 13:50:40 +0200	[thread overview]
Message-ID: <20200925115040.GZ2628@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200923233618.2572849-1-posk@google.com>

On Wed, Sep 23, 2020 at 04:36:16PM -0700, Peter Oskolkov wrote:
> --- a/include/linux/syscalls.h
> +++ b/include/linux/syscalls.h
> @@ -974,7 +974,7 @@ asmlinkage long sys_execveat(int dfd, const char __user *filename,
>  			const char __user *const __user *argv,
>  			const char __user *const __user *envp, int flags);
>  asmlinkage long sys_userfaultfd(int flags);
> -asmlinkage long sys_membarrier(int cmd, int flags);
> +asmlinkage long sys_membarrier(int cmd, int flags, int cpu_id);
>  asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
>  asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
>  				    int fd_out, loff_t __user *off_out,

The below is required to make arm build... I'll update the patch and
push out again.

diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 466c993e52bf..06db09875aa4 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -974,7 +974,7 @@ asmlinkage long sys_execveat(int dfd, const char __user *filename,
 			const char __user *const __user *argv,
 			const char __user *const __user *envp, int flags);
 asmlinkage long sys_userfaultfd(int flags);
-asmlinkage long sys_membarrier(int cmd, int flags, int cpu_id);
+asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
 				    int fd_out, loff_t __user *off_out,

  parent reply	other threads:[~2020-09-25 11:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23 23:36 [PATCH v8 1/3] rseq/membarrier: add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ Peter Oskolkov
2020-09-23 23:36 ` [PATCH v8 2/3] rseq/selftests: add rseq_offset_deref_addv Peter Oskolkov
2020-09-24 13:33   ` Mathieu Desnoyers
2020-09-24 13:54     ` Mathieu Desnoyers
2020-09-29  7:56   ` [tip: sched/core] rseq/selftests,x86_64: Add rseq_offset_deref_addv() tip-bot2 for Peter Oskolkov
2020-09-23 23:36 ` [PATCH v8 3/3] rseq/selftests: test MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ Peter Oskolkov
2020-09-24 13:48   ` Mathieu Desnoyers
2020-09-29  7:56   ` [tip: sched/core] rseq/selftests: Test MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ tip-bot2 for Peter Oskolkov
2020-09-24 13:51 ` [PATCH v8 1/3] rseq/membarrier: add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ Mathieu Desnoyers
2020-09-24 14:00   ` Peter Zijlstra
2020-09-25 11:50 ` Peter Zijlstra [this message]
2020-09-29  7:56 ` [tip: sched/core] rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ tip-bot2 for Peter Oskolkov

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