Message ID | 1396544950-21909-1-git-send-email-julien.grall@linaro.org |
---|---|
State | Accepted, archived |
Headers | show |
On Thu, 2014-04-03 at 18:09 +0100, Julien Grall wrote: > Currently __cmpxchg_mb is only marked inline. The compiler can decide to not > inline this function. In this case, the call to __cmpxchg will be inlined > but not optimised. This will result linking failure because of __bad_cmpxchg. > > Catched by clang 3.5. "caught". Acked-by: Ian Campbell <ian.campbell@citrix.com> But there is no S-o-b. If you offer one here I'll fix the spelling as I commit. > --- > xen/include/asm-arm/arm32/cmpxchg.h | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/xen/include/asm-arm/arm32/cmpxchg.h b/xen/include/asm-arm/arm32/cmpxchg.h > index 70c6090..3f4e7a1 100644 > --- a/xen/include/asm-arm/arm32/cmpxchg.h > +++ b/xen/include/asm-arm/arm32/cmpxchg.h > @@ -112,8 +112,9 @@ static always_inline unsigned long __cmpxchg( > return oldval; > } > > -static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old, > - unsigned long new, int size) > +static always_inline unsigned long __cmpxchg_mb(volatile void *ptr, > + unsigned long old, > + unsigned long new, int size) > { > unsigned long ret; >
On 04/08/2014 03:36 PM, Ian Campbell wrote: > On Thu, 2014-04-03 at 18:09 +0100, Julien Grall wrote: >> Currently __cmpxchg_mb is only marked inline. The compiler can decide to not >> inline this function. In this case, the call to __cmpxchg will be inlined >> but not optimised. This will result linking failure because of __bad_cmpxchg. >> >> Catched by clang 3.5. > > "caught". > > Acked-by: Ian Campbell <ian.campbell@citrix.com> > > But there is no S-o-b. If you offer one here I'll fix the spelling as I > commit. Oops, sorry. Signed-off-by: Julien Grall <julien.grall@linaro.org> Regards,
On Tue, 2014-04-08 at 15:38 +0100, Julien Grall wrote: > On 04/08/2014 03:36 PM, Ian Campbell wrote: > > On Thu, 2014-04-03 at 18:09 +0100, Julien Grall wrote: > >> Currently __cmpxchg_mb is only marked inline. The compiler can decide to not > >> inline this function. In this case, the call to __cmpxchg will be inlined > >> but not optimised. This will result linking failure because of __bad_cmpxchg. > >> > >> Catched by clang 3.5. > > > > "caught". > > > > Acked-by: Ian Campbell <ian.campbell@citrix.com> > > > > But there is no S-o-b. If you offer one here I'll fix the spelling as I > > commit. > > Oops, sorry. > > Signed-off-by: Julien Grall <julien.grall@linaro.org> Applied.
diff --git a/xen/include/asm-arm/arm32/cmpxchg.h b/xen/include/asm-arm/arm32/cmpxchg.h index 70c6090..3f4e7a1 100644 --- a/xen/include/asm-arm/arm32/cmpxchg.h +++ b/xen/include/asm-arm/arm32/cmpxchg.h @@ -112,8 +112,9 @@ static always_inline unsigned long __cmpxchg( return oldval; } -static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old, - unsigned long new, int size) +static always_inline unsigned long __cmpxchg_mb(volatile void *ptr, + unsigned long old, + unsigned long new, int size) { unsigned long ret;