On Wed, Sep 18, 2019 at 09:04:21PM -0700, Randy Dunlap wrote:
> On 9/18/19 3:10 PM, Mark Brown wrote:
> > Hi all,
> >
> > Changes since 20190917:
> >
>
> on x86_64:
>
> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.o: warning: objtool:
> i915_gem_execbuffer2_ioctl()+0x2fb: call to gen8_canonical_addr() with
> UACCESS enabled
I'm thinking that comes from:
offset = gen8_canonical_addr(offset & ~UPDATE);
if (unlikely(__put_user(offset,
&urelocs[r-stack].presumed_offset))) {
however, per commit 6ae865615fc4 (and 2a418cf3f5f1) the compiler really
should not be sticking gen8_canonical_addr() after __uaccess_begin().
/me puzzled...
