Hi Michael,
On 12/25/2014 10:29 AM, Michael S. Tsirkin wrote:
virtio wants to read bitwise types from userspace using get_user. At the
I don't know the virtio code much yet, but does it makes sense to read bitwise
types?
Will virtio then get possible troubles because of endianess correct as well?
Do you have a code example, or the sparse error message ?
Helge
moment this triggers sparse errors, since the value is passed through an
integer.
Fix that up using __force.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
arch/parisc/include/asm/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/include/asm/uaccess.h
b/arch/parisc/include/asm/uaccess.h
index a5cb070..3a20da6 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -104,7 +104,7 @@ struct exception_data {
} \
} \
\
- (x) = (__typeof__(*(ptr))) __gu_val; \
+ (x) = (__force __typeof__(*(ptr))) __gu_val; \
__gu_err; \
})
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