Re: [PATCH 1/2] hpsa: limit transfer length to 1MB

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Hi Johannes,


On 2017年06月22日 18:06, Johannes Thumshirn wrote:
On Thu, Jun 22, 2017 at 05:58:44PM +0800, Yadan Fan wrote:
The hpsa firmware will bypass the cache for any request larger
than 1MB, so we should cap the request size to avoid any
performance degradation in SLE12-SP2.
Upstream doesn't care too much about SLES.

References: bsc#1025461
and our internal Bugzilla IDs


How about:
The hpsa firmware will bypass the cache for any requests larger than 1MB, so
we shoould cap the request size to avoid any performance regressions in
kernels later than 4.3

The same applies for Patch 2/2

Yes, I agree so, I will resend the modified patches.

Thanks,
Yadan



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