From: Sasha Levin <sashal@kernel.org>
To: gregkh@linuxfoundation.org
Cc: christophe.leroy@c-s.fr, Chris.Packham@alliedtelesis.co.nz,
mpe@ellerman.id.au, stable@vger.kernel.org
Subject: Re: FAILED: patch "[PATCH] powerpc/64e: Drop stale call to smp_processor_id() which" failed to apply to 4.19-stable tree
Date: Wed, 11 Sep 2019 05:43:39 -0400 [thread overview]
Message-ID: <20190911094339.GL2012@sasha-vm> (raw)
In-Reply-To: <156811481474161@kroah.com>
On Tue, Sep 10, 2019 at 12:26:54PM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.19-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From b9ee5e04fd77898208c51b1395fa0b5e8536f9b6 Mon Sep 17 00:00:00 2001
>From: Christophe Leroy <christophe.leroy@c-s.fr>
>Date: Thu, 8 Aug 2019 12:48:26 +0000
>Subject: [PATCH] powerpc/64e: Drop stale call to smp_processor_id() which
> hangs SMP startup
>
>Commit ebb9d30a6a74 ("powerpc/mm: any thread in one core can be the
>first to setup TLB1") removed the need to know the cpu_id in
>early_init_this_mmu(), but the call to smp_processor_id() which was
>marked __maybe_used remained.
>
>Since commit ed1cd6deb013 ("powerpc: Activate CONFIG_THREAD_INFO_IN_TASK")
>thread_info cannot be reached before MMU is properly set up.
>
>Drop this stale call to smp_processor_id() which makes SMP hang when
>CONFIG_PREEMPT is set.
>
>Fixes: ebb9d30a6a74 ("powerpc/mm: any thread in one core can be the first to setup TLB1")
>Fixes: ed1cd6deb013 ("powerpc: Activate CONFIG_THREAD_INFO_IN_TASK")
Hi Greg,
I *think* we should have our scripts parse multiple "Fixes:" tags as &&
rather than ||.
--
Thanks,
Sasha
next prev parent reply other threads:[~2019-09-11 9:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-10 11:26 FAILED: patch "[PATCH] powerpc/64e: Drop stale call to smp_processor_id() which" failed to apply to 4.19-stable tree gregkh
2019-09-11 9:43 ` Sasha Levin [this message]
2019-09-11 9:48 ` Greg KH
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