Re: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-20 Thread Bin Lu
From: Bin Lu On Tue, May 19, 2020 at 01:07:27PM +0100, Catalin Marinas wrote: > On Mon, May 18, 2020 at 12:41:20PM +0100, Will Deacon wrote: > > On Fri, May 15, 2020 at 06:22:53PM -0400, Keno Fischer wrote: > > > Quoth the man page: > > > ``` > > >If the tracee was restarted by

回复: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-20 Thread Bin Lu
: release-20200511.0 > -邮件原件- > 发件人: linux-arm-kernel 代 > 表 Catalin Marinas > 发送时间: 2020年5月19日 20:07 > 收件人: Will Deacon > 抄送: Will Deacon ; linux-kernel@vger.kernel.org; > o...@redhat.com; Keno Fischer ; Sudeep Holla > ; linux-arm-ker...@lists.infradead.org >

Re: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-20 Thread Catalin Marinas
On Wed, May 20, 2020 at 11:03:30AM +0100, Sudeep Holla wrote: > On Tue, May 19, 2020 at 01:07:27PM +0100, Catalin Marinas wrote: > > On Mon, May 18, 2020 at 12:41:20PM +0100, Will Deacon wrote: > > > On Fri, May 15, 2020 at 06:22:53PM -0400, Keno Fischer wrote: > > > > Quoth the man page: > > > >

Re: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-20 Thread Sudeep Holla
Hi Catalin, On Tue, May 19, 2020 at 01:07:27PM +0100, Catalin Marinas wrote: > On Mon, May 18, 2020 at 12:41:20PM +0100, Will Deacon wrote: > > On Fri, May 15, 2020 at 06:22:53PM -0400, Keno Fischer wrote: > > > Quoth the man page: > > > ``` > > >If the tracee was restarted by

Re: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-19 Thread Catalin Marinas
On Mon, May 18, 2020 at 12:41:20PM +0100, Will Deacon wrote: > On Fri, May 15, 2020 at 06:22:53PM -0400, Keno Fischer wrote: > > Quoth the man page: > > ``` > >If the tracee was restarted by PTRACE_SYSCALL or PTRACE_SYSEMU, the > >tracee enters syscall-enter-stop just prior to

Re: [PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-18 Thread Will Deacon
On Fri, May 15, 2020 at 06:22:53PM -0400, Keno Fischer wrote: > Quoth the man page: > ``` >If the tracee was restarted by PTRACE_SYSCALL or PTRACE_SYSEMU, the >tracee enters syscall-enter-stop just prior to entering any system >call (which will not be executed if the

[PATCH] arm64: Fix PTRACE_SYSEMU semantics

2020-05-15 Thread Keno Fischer
Quoth the man page: ``` If the tracee was restarted by PTRACE_SYSCALL or PTRACE_SYSEMU, the tracee enters syscall-enter-stop just prior to entering any system call (which will not be executed if the restart was using PTRACE_SYSEMU, regardless of any change made to