Re: [Xen-devel] [PATCH] x86: fix microcode updater

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 23 Jun 2006, at 13:43, Jan Beulich wrote:

> This patch syncs up the microcode driver with linux 2.6.17 and adds on 
> top of this enhancements (yet to be submitted to
> lkml) to prevent the driver from disabling interrupts for long periods 
> of time. This is done by IPI-ing all remote CPUs
> sequentially rather than at once so they don't all race for the same 
> spin lock(s). Additionally, redundant updates on
> multiple siblings of the same core are now suppressed.
The patch claims to upgrade to driver version 1.14b which isn't in 
2.6.17 as far as I can tell. In fact I could only find even 1.14a by 
downloading 2.6.17-git12.
What I've done is upgrade the microcode driver to 1.14a in 
xen-unstable. Please send separate patches to upgrade to 1.14b (if you 
still want to do that; also let me know where you found it!) and to 
make any not-Linux-upstream changes.
 Thanks,
 Keir


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