On 15/02/2019 10:57, Peter Zijlstra wrote:
Where are the comments and Changelog notes ? How is an arch maintainer
to be aware of this requirement when adding support for his/her arch?
Yes, it will be fixed in the next revision. I've added comment to the
core wr_assign function and also to
On Fri, Feb 15, 2019 at 01:10:33AM +0200, Igor Stoppa wrote:
>
>
> On 14/02/2019 13:28, Peter Zijlstra wrote:
> > On Thu, Feb 14, 2019 at 12:41:32AM +0200, Igor Stoppa wrote:
>
> [...]
>
> > > +#define wr_rcu_assign_pointer(p, v) ({ \
> > > + smp_mb(); \
> > > + wr_assig
On 14/02/2019 13:28, Peter Zijlstra wrote:
On Thu, Feb 14, 2019 at 12:41:32AM +0200, Igor Stoppa wrote:
[...]
+#define wr_rcu_assign_pointer(p, v) ({ \
+ smp_mb(); \
+ wr_assign(p, v);\
+ p; \
+})
This r
On Thu, Feb 14, 2019 at 12:41:32AM +0200, Igor Stoppa wrote:
> +static inline void *wr_memset(void *p, int c, __kernel_size_t n)
> +{
> + return memset(p, c, n);
> +}
> +
> +static inline void *wr_memcpy(void *p, const void *q, __kernel_size_t n)
> +{
> + return memcpy(p, q, n);
> +}
> +
>
The patch provides:
- the core functionality for write-rare after init for statically
allocated data, based on code from Matthew Wilcox
- the default implementation for generic architecture
A specific architecture can override one or more of the default
functions.
The core (API) functions ar
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