From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: y2038 Mailman List <y2038@lists.linaro.org>,
Linux API <linux-api@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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Subject: Re: [PATCH 15/15] arch: add pkey and rseq syscall numbers everywhere
Date: Mon, 14 Jan 2019 09:31:13 +0100 [thread overview]
Message-ID: <20190114083113.GB15160@osiris> (raw)
In-Reply-To: <CAK8P3a0M6qSJQAtFNKVS5muissKvyzeE9MSYT_uwKnM4BKCAug@mail.gmail.com>
On Fri, Jan 11, 2019 at 06:30:43PM +0100, Arnd Bergmann wrote:
> On Thu, Jan 10, 2019 at 9:36 PM Heiko Carstens
> <heiko.carstens@de.ibm.com> wrote:
> > On Thu, Jan 10, 2019 at 05:24:35PM +0100, Arnd Bergmann wrote:
>
> > Since you only need/want the system call numbers, could you please
> > change these lines to:
> >
> > > +384 common pkey_alloc - -
> > > +385 common pkey_free - -
> > > +386 common pkey_mprotect - -
> >
> > Otherwise it _looks_ like we would need compat wrappers here as well,
> > even though all of them would just jump to sys_ni_syscall() in this
> > case. Making this explicit seems to better.
>
> Ok, fair enough. I considered doing this originally and then
> decided against it for consistency with the asm-generic file,
> but I don't care much either way.
>
> Is this something you may want to add later? I'm not sure exactly
> how pkey compares to s390 storage keys, or if this is something
> completely unrelated.
I don't think pkeys will ever work on s390, since they require a key
per mapping, while the s390 storage keys are per physical page.
next prev parent reply other threads:[~2019-01-14 8:31 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 16:24 [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038 Arnd Bergmann
2019-01-10 16:24 ` [PATCH 01/15] ia64: add __NR_umount2 definition Arnd Bergmann
2019-01-10 16:24 ` [PATCH 02/15] ia64: add statx and io_pgetevents syscalls Arnd Bergmann
2019-01-10 16:24 ` [PATCH 03/15] ia64: assign syscall numbers for perf and seccomp Arnd Bergmann
2019-01-10 16:24 ` [PATCH 04/15] alpha: wire up io_pgetevents system call Arnd Bergmann
2019-01-10 16:24 ` [PATCH 05/15] alpha: update syscall macro definitions Arnd Bergmann
2019-01-10 16:24 ` [PATCH 06/15] ARM: add migrate_pages() system call Arnd Bergmann
2019-01-10 16:32 ` Will Deacon
2019-01-10 17:11 ` Arnd Bergmann
2019-01-10 16:24 ` [PATCH 07/15] ARM: add kexec_file_load system call number Arnd Bergmann
2019-01-10 16:39 ` Will Deacon
2019-01-10 17:14 ` Arnd Bergmann
2019-01-10 16:24 ` [PATCH 08/15] m68k: assign syscall number for seccomp Arnd Bergmann
2019-01-10 16:24 ` [PATCH 09/15] sh: remove duplicate unistd_32.h file Arnd Bergmann
2019-01-10 16:24 ` [PATCH 10/15] sh: add statx system call Arnd Bergmann
2019-01-10 16:24 ` [PATCH 11/15] mips: fix n32 compat_ipc_parse_version Arnd Bergmann
2019-01-10 16:24 ` [PATCH 12/15] sparc64: fix sparc_ipc type conversion Arnd Bergmann
2019-01-10 16:24 ` [PATCH 13/15] ipc: rename old-style shmctl/semctl/msgctl syscalls Arnd Bergmann
2019-01-10 16:24 ` [PATCH 14/15] arch: add split IPC system calls where needed Arnd Bergmann
2019-01-10 20:32 ` Heiko Carstens
2019-01-11 17:33 ` Arnd Bergmann
2019-01-14 3:40 ` Michael Ellerman
2019-01-14 3:59 ` Michael Ellerman
2019-01-14 9:58 ` Michael Ellerman
2019-01-15 15:01 ` Arnd Bergmann
2019-01-15 15:18 ` Arnd Bergmann
2019-01-15 16:35 ` Geert Uytterhoeven
2019-01-15 21:24 ` Arnd Bergmann
2019-01-16 0:09 ` Michael Ellerman
2019-01-16 0:10 ` Michael Ellerman
2019-01-10 16:24 ` [PATCH 15/15] arch: add pkey and rseq syscall numbers everywhere Arnd Bergmann
2019-01-10 20:36 ` Heiko Carstens
2019-01-11 17:30 ` Arnd Bergmann
2019-01-14 8:31 ` Heiko Carstens [this message]
2019-01-15 11:52 ` Russell King - ARM Linux admin
2019-01-15 14:47 ` Arnd Bergmann
2019-01-10 16:59 ` [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038 Geert Uytterhoeven
2019-01-10 17:06 ` Arnd Bergmann
2019-01-10 18:11 ` Geert Uytterhoeven
2019-01-10 22:43 ` Arnd Bergmann
2019-01-11 8:07 ` Geert Uytterhoeven
2019-01-10 18:10 ` Joseph Myers
2019-01-10 22:42 ` Arnd Bergmann
2019-01-10 23:14 ` Michael Cree
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