This is a note to let you know that I've just added the patch titled
x86/microcode/intel: Fix BDW late-loading revision check
to the 4.4-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:
x86-microcode-intel-fix-bdw-late-loading-revision-check.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ben.hutchings@xxxxxxxxxxxxxxx Wed Jan 24 10:19:07 2018
From: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Date: Wed, 24 Jan 2018 02:31:19 +0000
Subject: x86/microcode/intel: Fix BDW late-loading revision check
To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Message-ID: <20180124023119.kaendz4jiuejowxr@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Content-Disposition: inline
From: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
The backport of commit b94b73733171 ("x86/microcode/intel: Extend BDW
late-loading with a revision check") to 4.4-stable deleted a "return true"
statement. This bug is not present upstream or other stable branches.
Signed-off-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/microcode/intel.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -1005,6 +1005,7 @@ static bool is_blacklisted(unsigned int
c->microcode < 0x0b000021) {
pr_err_once("Erratum BDF90: late loading with revision < 0x0b000021 (0x%x) disabled.\n", c->microcode);
pr_err_once("Please consider either early loading through initrd/built-in or a potential BIOS update.\n");
+ return true;
}
return false;
Patches currently in stable-queue which might be from ben.hutchings@xxxxxxxxxxxxxxx are
queue-4.4/x86-microcode-intel-fix-bdw-late-loading-revision-check.patch