Attachment 176831 Details for Bug 214369 – 0001-HBSD-increase-UCODE_SIZE_MAX-from-32kB-to-128kb-in-s.patch

[patch] 0001-HBSD-increase-UCODE_SIZE_MAX-from-32kB-to-128kb-in-s.patch

0001-HBSD-increase-UCODE_SIZE_MAX-from-32kB-to-128kb-in-s.patch (text/plain), 1.27 KB, created by op on 2016-11-09 21:09:05 UTC

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Creator: op

Created: 2016-11-09 21:09:05 UTC

Size: 1.27 KB

patch

obsolete

>From 26927cd68d1c14e17b1040b16032198247f72a30 Mon Sep 17 00:00:00 2001
>From: Oliver Pinter <oliver.pinter@hardenedbsd.org>
>Date: Wed, 9 Nov 2016 22:03:18 +0100
>Subject: [PATCH] HBSD: increase UCODE_SIZE_MAX from 32kB to 128kb in
> sys/dev/cpuctl/cpuctl.c
>
>THe lastest microcode update for Intel 6th (Skylake) generation CPU is
>bigger than the current hardcoded limit in cpuctl.
>
>-rw-r--r--  1 root  wheel  97280 Nov  9 21:35 m36506e3_0000009d_0000009e.fw
>-rw-r--r--  1 root  wheel  97280 Nov  9 21:35 mc0406e3_0000009d_0000009e.fw
>
>So, bump this limit to 128kB, to allow to perform the microcode update.
>
>Tested-on: 10-STABLE
>Sponsored-by: HardenedBSD Project
>FreeBSD-PR: 214369
>Signed-off-by: Oliver Pinter <oliver.pinter@hardenedbsd.org>
>CC: subbsd@gmail.com
>CC: kib@FreeBSD.org
>CC: jhb@FreeBSD.org
>---
> sys/dev/cpuctl/cpuctl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/sys/dev/cpuctl/cpuctl.c b/sys/dev/cpuctl/cpuctl.c
>index d801f17..6df74b9 100644
>--- a/sys/dev/cpuctl/cpuctl.c
>+++ b/sys/dev/cpuctl/cpuctl.c
>@@ -63,7 +63,7 @@ static d_ioctl_t cpuctl_ioctl;
> # define	DPRINTF(...)
> #endif
> 
>-#define	UCODE_SIZE_MAX	(32 * 1024)
>+#define	UCODE_SIZE_MAX	(128 * 1024)
> 
> static int cpuctl_do_msr(int cpu, cpuctl_msr_args_t *data, u_long cmd,
>     struct thread *td);
>-- 
>2.10.1
>

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Attachments on bug 214369: 176831