From: Ian Campbell <ian.campbell@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
xen-devel@lists.xenproject.org
Cc: Mark Rutland <mark.rutland@arm.com>,
wei.liu2@citrix.com, JBeulich@suse.com
Subject: Re: [PATCH v2] efi: introduce efi_arch_flush_dcache_area
Date: Tue, 8 Sep 2015 11:50:56 +0100 [thread overview]
Message-ID: <1441709456.24450.60.camel@citrix.com> (raw)
In-Reply-To: <1441708697-578-1-git-send-email-stefano.stabellini@eu.citrix.com>
On Tue, 2015-09-08 at 11:38 +0100, Stefano Stabellini wrote:
> Objects loaded by FileHandle->Read need to be flushed from dcache,
> otherwise copy_from_paddr will read stale data when copying the kernel,
> causing a failure to boot.
>
> Introduce efi_arch_flush_dcache_area and call it from read_file.
>
> This commit introduces no functional changes on x86.
>
> Reported-by: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Release-acked-by: Wei Liu <wei.liu2@citrix.com>
> CC: Mark Rutland <mark.rutland@arm.com>
> CC: ian.campbell@citrix.com
> CC: JBeulich@suse.com
>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
next prev parent reply other threads:[~2015-09-08 10:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-08 10:38 [PATCH v2] efi: introduce efi_arch_flush_dcache_area Stefano Stabellini
2015-09-08 10:50 ` Ian Campbell [this message]
2015-09-08 11:21 ` Julien Grall
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