On Tue, Jan 06, 2015 at 11:48:20PM +0200, Michael S. Tsirkin wrote:
> On Tue, Jan 06, 2015 at 07:14:32PM +0000, Will Deacon wrote:
> > Hi Michael,
> >
> > On Tue, Jan 06, 2015 at 03:43:40PM +0000, Michael S. Tsirkin wrote:
> > > virtio wants to read bitwise types from userspace using get_user. At the
> > > moment this triggers sparse errors, since the value is passed through an
> > > integer.
> > >
> > > Fix that up using __force.
> > >
> > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > >
> > > Acked-by: Will Deacon <will.deacon@xxxxxxx>
> > > ---
> >
> > Did you want us to take this via the arm64 tree, or are you planning to
> > merge it via another route?
> >
> > Will
>
> Up to you really: if you don't pick it up, Arnd said he'll merge
> through his tree.
Though if you do pick it up, need to also pick up the follow-up
patch - maybe my tree is easier.
> > > arch/arm64/include/asm/uaccess.h | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
> > > index 3bf8f4e..9a2069b 100644
> > > --- a/arch/arm64/include/asm/uaccess.h
> > > +++ b/arch/arm64/include/asm/uaccess.h
> > > @@ -147,7 +147,7 @@ do { \
> > > default: \
> > > BUILD_BUG(); \
> > > } \
> > > - (x) = (__typeof__(*(ptr)))__gu_val; \
> > > + (x) = (__force __typeof__(*(ptr)))__gu_val; \
> > > } while (0)
> > >
> > > #define __get_user(x, ptr) \
> > > --
> > > MST
> > >
> > >
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