[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v1 4/4] xen/netback: Fix grant copy across page boundary with KASAN
On Wed, 8 Jan 2020 at 15:21, Sergey Dyasli <sergey.dyasli@xxxxxxxxxx> wrote: > > From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> > > When KASAN (or SLUB_DEBUG) is turned on, the normal expectation that > allocations are aligned to the next power of 2 of the size does not > hold. Therefore, handle grant copies that cross page boundaries. > > Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> > Signed-off-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx> > --- > RFC --> v1: > - Added BUILD_BUG_ON to the netback patch > - xenvif_idx_release() now located outside the loop > > CC: Wei Liu <wei.liu@xxxxxxxxxx> > CC: Paul Durrant <paul@xxxxxxx> [snip] > > +static void __init __maybe_unused build_assertions(void) > +{ > + BUILD_BUG_ON(sizeof(struct xenvif_tx_cb) > 48); FIELD_SIZEOF(struct sk_buff, cb) rather than a magic '48' I think. Paul > +} > + > MODULE_LICENSE("Dual BSD/GPL"); > MODULE_ALIAS("xen-backend:vif"); > -- > 2.17.1 > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |