From: Thomas Garnier <thgarnie@google.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: "David Howells" <dhowells@redhat.com>,
"Dave Hansen" <dave.hansen@intel.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"René Nyffenegger" <mail@renenyffenegger.ch>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Kees Cook" <keescook@chromium.org>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
"David S . Miller" <davem@davemloft.net>,
"Andy Lutomirski" <luto@kernel.org>,
"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
"Nicolas Pitre" <nicolas.pitre@linaro.org>,
"Petr Mladek" <pmladek@suse.com>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
"Sergey Senozhatsky" <sergey.senozhatsky@gmail.com>,
"Helge Deller" <deller@gmx.de>, "Rik van Riel" <riel@redhat.com>,
"Ingo Molnar" <mingo@kernel.org>,
"Oleg Nesterov" <oleg@redhat.com>,
"John Stultz" <john.stultz@linaro.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Pavel Tikhomirov" <ptikhomirov@virtuozzo.com>
Subject: Re: [PATCH v2 1/4] syscalls: Restore address limit after a syscall
Date: Thu, 9 Mar 2017 07:53:54 -0800 [thread overview]
Message-ID: <CAJcbSZH7xoBGsD7A4odpYrWopziWrc8sifAUiUgQmVnYkxwo4w@mail.gmail.com> (raw)
In-Reply-To: <c10289bb-e72b-b7b5-f02b-d8cab49f372c@de.ibm.com>
> On Thu, Mar 9, 2017 at 4:32 AM, Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> Can you please disable that for s390? (e.g. by setting
> CONFIG_ARCH_NO_SYSCALL_VERIFY_PRE_USERMODE_STATE for s390)
> We have a separate address space for kernel/user so the logic will
> be slightly different and is already handled in
>
> commit b5a882fcf146c87cb6b67c6df353e1c042b8773d
> Author: Heiko Carstens <heiko.carstens@de.ibm.com>
> Date: Fri Feb 17 08:13:28 2017 +0100
>
> s390: restore address space when returning to user space
>
No problem, I will add it on the next iteration of this change.
--
Thomas
prev parent reply other threads:[~2017-03-09 15:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-09 1:24 [PATCH v2 1/4] syscalls: Restore address limit after a syscall Thomas Garnier
2017-03-09 1:24 ` [PATCH v2 2/4] x86/syscalls: Specific usage of verify_pre_usermode_state Thomas Garnier
2017-03-09 1:24 ` [PATCH v2 3/4] arm/syscalls: " Thomas Garnier
2017-03-09 1:24 ` [PATCH v2 4/4] arm64/syscalls: " Thomas Garnier
2017-03-09 12:23 ` Mark Rutland
2017-03-09 15:56 ` Thomas Garnier
2017-03-09 16:05 ` Mark Rutland
2017-03-09 16:19 ` Thomas Garnier
2017-03-09 16:26 ` Russell King - ARM Linux
2017-03-09 16:35 ` Thomas Garnier
2017-03-09 17:05 ` Russell King - ARM Linux
2017-03-09 8:42 ` [PATCH v2 1/4] syscalls: Restore address limit after a syscall Borislav Petkov
2017-03-09 15:48 ` Thomas Garnier
2017-03-09 17:27 ` Andy Lutomirski
2017-03-09 17:41 ` Thomas Garnier
2017-03-09 10:39 ` Sergey Senozhatsky
2017-03-09 12:09 ` Mark Rutland
2017-03-09 13:44 ` Russell King - ARM Linux
2017-03-09 15:21 ` Mark Rutland
2017-03-09 15:54 ` Thomas Garnier
2017-03-09 15:52 ` Thomas Garnier
2017-03-09 12:32 ` Christian Borntraeger
2017-03-09 15:53 ` Thomas Garnier [this message]
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