On Friday 17 April 2015 10:28 PM, Geoff Levand wrote:
On Thu, 2015-04-16 at 22:17 +0530, Pratyush Anand wrote:
> If ptr->len is zero we do not need to update sha256.
Looks OK. Did you find this sped things up?
No.. I am working for that..
Speed is good when sha256 is prepared in update_purgatory..just a sec..
while it is 2 min during verification..
one diff is that purgatory is using byte copy in memcpy while kexec had
generic memcpy which has byte/word/page copy features.
But, Most likely speed is low because dcache is disabled.
So I am working to enable d-cache and identity mapped mmu table for
crashdump regions in purgatory.
~Pratyush
Acked-by: Geoff Levand <geoff(a)infradead.org>
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