From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH 0/4] powerpc: Misc early boot fixes
Date: Wed, 15 Feb 2023 23:40:54 +1100 [thread overview]
Message-ID: <167646485406.1421441.70610048323807995.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20221216115930.2667772-1-npiggin@gmail.com>
On Fri, 16 Dec 2022 21:59:26 +1000, Nicholas Piggin wrote:
> The first patch is a fix for a commit that's in powerpc next which
> is a pretty harmless dump_stack(). Except that we had some bugs with
> doing stack unwinding that early when the boot CPU is not zero so
> that ended up crashing badly.
>
> First patch should be relatively safe and solve that problem, but
> only needed if you're testing with stress_hpt. Second patch is a
> relatively minimal fix that should close most of the large window
> where we're running with the wrong task_cpu, but I would not call
> it trivial because it could cause some weird breakage or expose
> another bug. Third patch closes the rest of the window and makes
> the paca allocation a lot better, but it has more possibility for
> regressions. Last patch is independent of the rest and should be
> quite straightforward.
>
> [...]
Applied to powerpc/next.
[1/4] powerpc/64s: Fix stress_hpt memblock alloc alignment
https://git.kernel.org/powerpc/c/dea18da459922d70692ae1e5736d1c760040cb07
[2/4] powerpc/64: Fix task_cpu in early boot when booting non-zero cpuid
https://git.kernel.org/powerpc/c/9fa24404f5044967753a6cd3e5e36f57686bec6e
[3/4] powerpc/64: Move paca allocation to early_setup()
https://git.kernel.org/powerpc/c/dc222fa7737212fe0da513e5b8937c156d02225d
[4/4] powerpc: Skip stack validation checking alternate stacks if they are not allocated
https://git.kernel.org/powerpc/c/1ee4e35076e36724a62ba2fa29b722fb53eb68f2
cheers
prev parent reply other threads:[~2023-02-15 12:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-16 11:59 [PATCH 0/4] powerpc: Misc early boot fixes Nicholas Piggin
2022-12-16 11:59 ` [PATCH 1/4] powerpc/64s: Fix stress_hpt memblock alloc alignment Nicholas Piggin
2022-12-16 11:59 ` [PATCH 2/4] powerpc/64: Fix task_cpu in early boot when booting non-zero cpuid Nicholas Piggin
2022-12-16 11:59 ` [PATCH 3/4] powerpc/64: Move paca allocation to early_setup() Nicholas Piggin
2022-12-17 5:10 ` kernel test robot
2022-12-17 5:10 ` kernel test robot
2022-12-16 11:59 ` [PATCH 4/4] powerpc: Skip stack validation checking alternate stacks if they are not allocated Nicholas Piggin
2023-02-15 12:40 ` Michael Ellerman [this message]
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