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flag that the aesni driver is sync... This means we don't waste a

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context switch just to call the done callback...  On my machine, this
improves geli/gzero decrypt performance by ~27% from 550MB/sec to
~700MB/sec...

MFC after:	3 days
This commit is contained in:
John-Mark Gurney 2013-11-20 20:25:27 +00:00
parent 587430f254
commit 23fc6e1652
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=258399
1 changed files with 2 additions and 1 deletions
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3
sys/crypto/aesni/aesni.c
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@ -92,7 +92,8 @@ aesni_attach(device_t dev)
sc = device_get_softc(dev);
TAILQ_INIT(&sc->sessions);
sc->sid = 1;
sc->cid = crypto_get_driverid(dev, CRYPTOCAP_F_HARDWARE);
sc->cid = crypto_get_driverid(dev,
CRYPTOCAP_F_HARDWARE|CRYPTOCAP_F_SYNC);
if (sc->cid < 0) {
device_printf(dev, "Could not get crypto driver id.\n");
return (ENOMEM);