lkml.org 
[lkml]   [2020]   [Sep]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] crypto: lib/chacha20poly1305 - Set SG_MITER_ATOMIC unconditionally
On Tue, Sep 15, 2020 at 01:08:31PM +0300, Ard Biesheuvel wrote:
>
> But making atomic kmap preemptible/sleepable creates the exact same
> problem, i.e., that we have no idea which existing callers are
> currently relying on those preemption disabling semantics, so we can't
> just take them away. Or am I missing something?

Good point.

Thomas mentioned that RT has been doing this for a while now so
perhaps someone has studied this problem already? Thomas?

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

\
 
 \ /
  Last update: 2020-09-15 12:11    [W:0.067 / U:10.472 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site