From: Kees Cook <kees@kernel.org>
To: Tony Luck <tony.luck@intel.com>,
"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
Wen Yang <wen.yang@linux.dev>
Cc: Kees Cook <kees@kernel.org>,
linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pstore: replace spinlock_t by raw_spinlock_t
Date: Mon, 26 Aug 2024 13:34:16 -0700 [thread overview]
Message-ID: <172470445402.1124964.5756101166185708381.b4-ty@kernel.org> (raw)
In-Reply-To: <20240819145945.61274-1-wen.yang@linux.dev>
On Mon, 19 Aug 2024 22:59:45 +0800, Wen Yang wrote:
> pstore_dump() is called when both preemption and local IRQ are disabled,
> and a spinlock is obtained, which is problematic for the RT kernel because
> in this configuration, spinlocks are sleep locks.
>
> Replace the spinlock_t with raw_spinlock_t to avoid sleeping in atomic context.
>
>
> [...]
Applied to for-next/pstore, thanks!
[1/1] pstore: replace spinlock_t by raw_spinlock_t
https://git.kernel.org/kees/c/1bf8012fc699
Take care,
--
Kees Cook
prev parent reply other threads:[~2024-08-26 20:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-19 14:59 Wen Yang
2024-08-19 17:45 ` Greg KH
2024-08-24 7:25 ` Wen Yang
2024-08-26 20:33 ` Kees Cook
2024-08-26 20:34 ` Kees Cook [this message]
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