From: Borislav Petkov <bp@alien8.de>
To: Usama Arif <usama.arif@bytedance.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, vgoyal@redhat.com,
tglx@linutronix.de, fam.zheng@bytedance.com
Subject: Re: [PATCH] x86/purgatory: provide config to disable purgatory
Date: Tue, 23 Nov 2021 16:24:01 +0100 [thread overview]
Message-ID: <YZ0HkaOiKfmgN8zl@zn.tnic> (raw)
In-Reply-To: <20211123150508.3397898-1-usama.arif@bytedance.com>
On Tue, Nov 23, 2021 at 03:05:08PM +0000, Usama Arif wrote:
> This can help in reducing boot time if purgatory is not needed
> as the sha256 digest of kexec segments is no longer calculated
> or verified if the config is disabled.
I'd prefer a commit message to say:
"Disable purgatory because of real-life use case X. With it disabled,
booting a second kernel is sped up by Y."
"Just because" and adding yet another config option is not worth the
effort, otherwise.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-11-23 15:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-23 15:05 [PATCH] x86/purgatory: provide config to disable purgatory Usama Arif
2021-11-23 15:24 ` Borislav Petkov [this message]
2021-11-29 14:04 ` Vivek Goyal
[not found] ` <79517d3c-3674-cc21-fbdc-b26946809756@bytedance.com>
2021-11-29 16:53 ` [External] " Eric W. Biederman
2021-12-01 10:29 ` Usama Arif
2021-12-06 16:51 ` Usama Arif
2021-12-16 18:05 ` Usama Arif
2021-12-17 0:56 ` Baoquan He
-- strict thread matches above, loose matches on Subject: below --
2021-11-29 15:01 Usama Arif
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