On 12/12/2018 11:49, Martin Schwidefsky wrote:
On Wed, 5 Dec 2018 15:13:56 -0800
Andy Lutomirski wrote:
Hi s390 and powerpc people: it would be nice if this generic
implementation *worked* on your architectures and that it will allow
you to add some straightforward way to add a better
On Wed, 5 Dec 2018 15:13:56 -0800
Andy Lutomirski wrote:
> I added some s390 and powerpc people.
>
> On Tue, Dec 4, 2018 at 4:18 AM Igor Stoppa wrote:
> >
> > Implementation of write rare for statically allocated data, located in a
> > specific memory section through the use of the
On Mon, Dec 10, 2018 at 12:32:21AM +0200, Igor Stoppa wrote:
>
>
> On 06/12/2018 11:44, Peter Zijlstra wrote:
> > On Wed, Dec 05, 2018 at 03:13:56PM -0800, Andy Lutomirski wrote:
> >
> > > > + if (op == WR_MEMCPY)
> > > > + memcpy((void *)wr_poking_addr, (void *)src, len);
>
On 06/12/2018 11:44, Peter Zijlstra wrote:
On Wed, Dec 05, 2018 at 03:13:56PM -0800, Andy Lutomirski wrote:
+ if (op == WR_MEMCPY)
+ memcpy((void *)wr_poking_addr, (void *)src, len);
+ else if (op == WR_MEMSET)
+ memset((u8 *)wr_poking_addr, (u8)src,
On 06/12/2018 06:44, Matthew Wilcox wrote:
On Tue, Dec 04, 2018 at 02:18:01PM +0200, Igor Stoppa wrote:
+void *__wr_op(unsigned long dst, unsigned long src, __kernel_size_t len,
+ enum wr_op_type op)
+{
+ temporary_mm_state_t prev;
+ unsigned long flags;
+
On 06/12/2018 01:13, Andy Lutomirski wrote:
+ kasan_disable_current();
+ if (op == WR_MEMCPY)
+ memcpy((void *)wr_poking_addr, (void *)src, len);
+ else if (op == WR_MEMSET)
+ memset((u8 *)wr_poking_addr, (u8)src, len);
+ else if (op ==
On Wed, Dec 05, 2018 at 03:13:56PM -0800, Andy Lutomirski wrote:
> > + if (op == WR_MEMCPY)
> > + memcpy((void *)wr_poking_addr, (void *)src, len);
> > + else if (op == WR_MEMSET)
> > + memset((u8 *)wr_poking_addr, (u8)src, len);
> > + else if (op ==
On Wed, Dec 05, 2018 at 03:13:56PM -0800, Andy Lutomirski wrote:
> > + if (op == WR_MEMCPY)
> > + memcpy((void *)wr_poking_addr, (void *)src, len);
> > + else if (op == WR_MEMSET)
> > + memset((u8 *)wr_poking_addr, (u8)src, len);
> > + else if (op ==
On Tue, Dec 04, 2018 at 02:18:01PM +0200, Igor Stoppa wrote:
> +void *__wr_op(unsigned long dst, unsigned long src, __kernel_size_t len,
> + enum wr_op_type op)
> +{
> + temporary_mm_state_t prev;
> + unsigned long flags;
> + unsigned long offset;
> + unsigned long
On Tue, Dec 04, 2018 at 02:18:01PM +0200, Igor Stoppa wrote:
> +void *__wr_op(unsigned long dst, unsigned long src, __kernel_size_t len,
> + enum wr_op_type op)
> +{
> + temporary_mm_state_t prev;
> + unsigned long flags;
> + unsigned long offset;
> + unsigned long
I added some s390 and powerpc people.
On Tue, Dec 4, 2018 at 4:18 AM Igor Stoppa wrote:
>
> Implementation of write rare for statically allocated data, located in a
> specific memory section through the use of the __write_rare label.
>
> The basic functions are:
> - wr_memset(): write rare
I added some s390 and powerpc people.
On Tue, Dec 4, 2018 at 4:18 AM Igor Stoppa wrote:
>
> Implementation of write rare for statically allocated data, located in a
> specific memory section through the use of the __write_rare label.
>
> The basic functions are:
> - wr_memset(): write rare
Implementation of write rare for statically allocated data, located in a
specific memory section through the use of the __write_rare label.
The basic functions are:
- wr_memset(): write rare counterpart of memset()
- wr_memcpy(): write rare counterpart of memcpy()
- wr_assign(): write rare
Implementation of write rare for statically allocated data, located in a
specific memory section through the use of the __write_rare label.
The basic functions are:
- wr_memset(): write rare counterpart of memset()
- wr_memcpy(): write rare counterpart of memcpy()
- wr_assign(): write rare
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