From: Borislav Petkov <bp@alien8.de>
To: Hewenliang <hewenliang4@huawei.com>
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
osandov@fb.com, rppt@kernel.org, lijiang@redhat.com,
linux-kernel@vger.kernel.org, hushiyuan@huawei.com
Subject: Re: [PATCH] x86/kexec: Initialize the value of ident mapping offset
Date: Fri, 6 Nov 2020 16:22:44 +0100 [thread overview]
Message-ID: <20201106152244.GE14914@zn.tnic> (raw)
In-Reply-To: <20201106033005.2354-1-hewenliang4@huawei.com>
On Thu, Nov 05, 2020 at 10:30:05PM -0500, Hewenliang wrote:
> From: hewenliang <hewenliang4@huawei.com>
>
> It is necessary to initialize the value of ident mapping offset.
Why is it necessary?
> This can not only avoid using dirty data,
What happens to designated initializers when some of the members are not
explicitly mentioned?
Hint:
$ make arch/x86/kernel/machine_kexec_64.s
and look at that file before your patch.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
prev parent reply other threads:[~2020-11-06 15:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-06 3:30 [PATCH] x86/kexec: Initialize the value of ident mapping offset Hewenliang
2020-11-06 15:22 ` Borislav Petkov [this message]
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