From: <gregkh@linuxfoundation.org>
To: jgross@suse.com, ard.biesheuvel@linaro.org,
gregkh@linuxfoundation.org, matt@codeblueprint.co.uk,
mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de,
torvalds@linux-foundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "efi: Don't issue error message when booted under Xen" has been added to the 4.11-stable tree
Date: Mon, 12 Jun 2017 09:54:22 +0200 [thread overview]
Message-ID: <1497254062157180@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
efi: Don't issue error message when booted under Xen
to the 4.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
efi-don-t-issue-error-message-when-booted-under-xen.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 1ea34adb87c969b89dfd83f1905a79161e9ada26 Mon Sep 17 00:00:00 2001
From: Juergen Gross <jgross@suse.com>
Date: Fri, 26 May 2017 12:36:47 +0100
Subject: efi: Don't issue error message when booted under Xen
From: Juergen Gross <jgross@suse.com>
commit 1ea34adb87c969b89dfd83f1905a79161e9ada26 upstream.
When booted as Xen dom0 there won't be an EFI memmap allocated. Avoid
issuing an error message in this case:
[ 0.144079] efi: Failed to allocate new EFI memmap
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20170526113652.21339-2-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/platform/efi/quirks.c | 3 +++
1 file changed, 3 insertions(+)
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -358,6 +358,9 @@ void __init efi_free_boot_services(void)
free_bootmem_late(start, size);
}
+ if (!num_entries)
+ return;
+
new_size = efi.memmap.desc_size * num_entries;
new_phys = efi_memmap_alloc(num_entries);
if (!new_phys) {
Patches currently in stable-queue which might be from jgross@suse.com are
queue-4.11/efi-don-t-issue-error-message-when-booted-under-xen.patch
reply other threads:[~2017-06-12 7:54 UTC|newest]
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