Displaying 4 results from an estimated 4 matches for "microcode_init".
2011 Dec 07
0
[PATCH] linux-2.6.18/x86: refuse to initialize the microcode driver in DomU
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/arch/i386/kernel/microcode-xen.c
+++ b/arch/i386/kernel/microcode-xen.c
@@ -121,6 +121,9 @@ static int __init microcode_init (void)
{
int error;
+ if (!is_initial_xendomain())
+ return -ENODEV;
+
error = misc_register(µcode_dev);
if (error) {
printk(KERN_ERR
2010 Nov 11
10
[PATCH 0/3] Xen Microcode update driver for 2.6.38
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Hi all,
This series adds a new microcode driver for Xen. The Xen hypervisor
can deal with all the low-level details of doing a microcode update
(Intel vs AMD, doing all the physical CPUs present on the system,
current and future, etc), so all the driver has to do is make a
hypercall to upload the microcode into Xen.
This only
2016 Mar 22
19
[PATCH v3 0/11] tests/qemu: Add program for tracing and analyzing boot times.
Lots of changes since v2, too much to remember or summarize.
Please ignore patch 11/11, it's just for my testing.
Rich.
2013 Mar 12
14
vpmu=1 and running 'perf top' within a PVHVM guest eventually hangs dom0 and hypervisor has stuck vCPUS. Romley-EP (model=45, stepping=2)
...2 returned 0 after 7170 usecs
[ 27.193337] calling ioapic_init_ops+0x0/0x14 @ 1
[ 27.193470] initcall ioapic_init_ops+0x0/0x14 returned 0 after 0 usecs
[ 27.193605] calling add_pcspkr+0x0/0x40 @ 1
[ 27.193961] initcall add_pcspkr+0x0/0x40 returned 0 after 225 usecs
[ 27.194094] calling microcode_init+0x0/0x1c8 @ 1
[ 27.196218] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[ 27.196396] initcall microcode_init+0x0/0x1c8 returned 0 after 2123 usecs
[ 27.196534] calling start_periodic_check_for_corruption+0x0/0x50 @ 1
[ 27.196667] Scanning for l...