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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