From: Johan Hovold <johan@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [GIT PULL] random number generator fixes for 6.2-rc1, part 2
Date: Tue, 20 Dec 2022 08:37:17 +0100 [thread overview]
Message-ID: <Y6FmLZqcf0nmcEMV@hovoldconsulting.com> (raw)
In-Reply-To: <20221220022458.11682-1-Jason@zx2c4.com>
On Tue, Dec 20, 2022 at 03:24:58AM +0100, Jason A. Donenfeld wrote:
> In addition, there is one fix:
>
> - Check efi_rt_services_supported() before attempting to use an EFI runtime
> function. This affected EFI systems that disable runtime services yet still
> boot via EFI (e.g. the reporter's Dell arm64 laptop), as well systems where
Nit: This caused trouble on the Lenovo Thinkpad X13s that we're working
on supporting in mainline (i.e. not Dell).
> EFI runtime services have been forcibly disabled, such as on PREEMPT_RT. On
> those machines, a very early and hard to diagnose crash would happen,
> preventing boot.
Johan
next prev parent reply other threads:[~2022-12-20 7:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-20 2:24 [GIT PULL] random number generator fixes for 6.2-rc1, part 2 Jason A. Donenfeld
2022-12-20 7:37 ` Johan Hovold [this message]
2022-12-21 17:18 ` pr-tracker-bot
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