Re: [patch 12/23] invalidate_bdev() speedup

[Andrew Morton]

On Fri, 4 Aug 2006 09:50:13 +0100
Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> On Thu, Aug 03, 2006 at 10:39:42PM -0700, Greg KH wrote:
> > -stable review patch.  If anyone has any objections, please let us know.
> 
> This is a feature.  Definitly not -stable material.

Apparently that regular IPI storm is causing the SGI machines some
significant problems.  I assume it's the interrupt latency problem again.
Jes would know.

It's not the biggest problem we've ever had, but if this patch is wrong,
the pagecache/buffer_head layer is utterly busted.  And it isn't.

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