From: Michael Ellerman <mpe@ellerman.id.au>
To: Ard Biesheuvel <ardb@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Keith Packard <keithpac@amazon.com>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Mackerras <paulus@samba.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
Kees Cook <keescook@chromium.org>,
Andy Lutomirski <luto@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)"
<linuxppc-dev@lists.ozlabs.org>,
linux-riscv <linux-riscv@lists.infradead.org>,
"open list:S390" <linux-s390@vger.kernel.org>
Subject: Re: [RFC PATCH 4/8] powerpc: add CPU field to struct thread_info
Date: Tue, 28 Sep 2021 10:16:10 +1000 [thread overview]
Message-ID: <87pmst1rn9.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <87ee99lii7.fsf@mpe.ellerman.id.au>
Michael Ellerman <mpe@ellerman.id.au> writes:
> Ard Biesheuvel <ardb@kernel.org> writes:
>> On Tue, 14 Sept 2021 at 14:11, Ard Biesheuvel <ardb@kernel.org> wrote:
>>>
>>> The CPU field will be moved back into thread_info even when
>>> THREAD_INFO_IN_TASK is enabled, so add it back to powerpc's definition
>>> of struct thread_info.
>>>
>>> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
>>
>> Michael,
>>
>> Do you have any objections or issues with this patch or the subsequent
>> ones cleaning up the task CPU kludge for ppc32? Christophe indicated
>> that he was happy with it.
>
> No objections, it looks good to me, thanks for cleaning up that horror :)
>
> It didn't apply cleanly to master so I haven't tested it at all, if you can point me at a
> git tree with the dependencies I'd be happy to run some tests over it.
Actually I realised I can just drop the last patch.
So that looks fine, passes my standard quick build & boot on qemu tests,
and builds with/without stack protector enabled.
cheers
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next prev parent reply other threads:[~2021-09-28 0:17 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 12:10 [RFC PATCH 0/8] Move task_struct::cpu back into thread_info Ard Biesheuvel
2021-09-14 12:10 ` [RFC PATCH 1/8] arm64: add CPU field to struct thread_info Ard Biesheuvel
2021-09-14 15:41 ` Linus Torvalds
2021-09-14 15:42 ` Ard Biesheuvel
2021-09-16 14:41 ` Catalin Marinas
2021-09-21 12:04 ` Ard Biesheuvel
2021-09-14 12:10 ` [RFC PATCH 2/8] x86: " Ard Biesheuvel
2021-09-21 12:54 ` Borislav Petkov
2021-09-14 12:10 ` [RFC PATCH 3/8] s390: " Ard Biesheuvel
2021-09-28 13:52 ` Ard Biesheuvel
2021-09-14 12:10 ` [RFC PATCH 4/8] powerpc: " Ard Biesheuvel
2021-09-27 15:12 ` Ard Biesheuvel
2021-09-27 23:13 ` Michael Ellerman
2021-09-28 0:16 ` Michael Ellerman [this message]
2021-09-28 13:18 ` Ard Biesheuvel
2021-09-29 22:46 ` Michael Ellerman
2021-09-29 23:10 ` Kees Cook
2021-09-30 17:47 ` Kees Cook
2021-10-05 1:55 ` Michael Ellerman
2021-09-14 12:10 ` [RFC PATCH 5/8] sched: move CPU field back into thread_info if THREAD_INFO_IN_TASK=y Ard Biesheuvel
2021-09-14 15:46 ` Linus Torvalds
2021-09-14 15:52 ` Ard Biesheuvel
2021-09-14 15:58 ` Linus Torvalds
2021-09-14 16:10 ` Ard Biesheuvel
2021-09-21 13:12 ` Catalin Marinas
2021-09-14 12:10 ` [RFC PATCH 6/8] powerpc: smp: remove hack to obtain offset of task_struct::cpu Ard Biesheuvel
2021-09-14 12:10 ` [RFC PATCH 7/8] riscv: rely on core code to keep thread_info::cpu updated Ard Biesheuvel
2021-09-28 22:07 ` Palmer Dabbelt
2021-09-14 12:10 ` [RFC PATCH 8/8] ARM: " Ard Biesheuvel
2021-09-14 13:49 ` [RFC PATCH 0/8] Move task_struct::cpu back into thread_info Christophe Leroy
2021-09-14 13:55 ` Mark Rutland
2021-09-21 12:06 ` Ard Biesheuvel
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