On Mon, 2021-04-12 at 17:21 -0500, Segher Boessenkool wrote:
> On Fri, Apr 09, 2021 at 02:36:16PM +1000, Alexey Kardashevskiy wrote:
> > On 08/04/2021 19:04, Michael Ellerman wrote:
> > > > > > +#define QUERY_DDW_PGSIZE_4K0x01
> > > > > > +#define QUERY_DDW_PGSIZE_64K 0x02
> > > > > >
On Fri, Apr 09, 2021 at 02:36:16PM +1000, Alexey Kardashevskiy wrote:
> On 08/04/2021 19:04, Michael Ellerman wrote:
> +#define QUERY_DDW_PGSIZE_4K 0x01
> +#define QUERY_DDW_PGSIZE_64K 0x02
> +#define QUERY_DDW_PGSIZE_16M 0x04
> +#define QUERY_DDW_PGSIZE_32M 0x08
>
Em sex., 9 de abr. de 2021 01:36, Alexey Kardashevskiy
escreveu:
>
>
> On 08/04/2021 19:04, Michael Ellerman wrote:
> > Alexey Kardashevskiy writes:
> >> On 08/04/2021 15:37, Michael Ellerman wrote:
> >>> Leonardo Bras writes:
> According to LoPAR, ibm,query-pe-dma-window output named "IO
On 08/04/2021 19:04, Michael Ellerman wrote:
Alexey Kardashevskiy writes:
On 08/04/2021 15:37, Michael Ellerman wrote:
Leonardo Bras writes:
According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
will let the OS know all possible pagesizes that can be used for creating a
Leonardo Bras writes:
> On Thu, 2021-04-08 at 03:20 -0300, Leonardo Bras wrote:
>> > > +#define QUERY_DDW_PGSIZE_4K 0x01
>> > > +#define QUERY_DDW_PGSIZE_64K0x02
>> > > +#define QUERY_DDW_PGSIZE_16M0x04
>> > > +#define QUERY_DDW_PGSIZE_32M0x08
>> > > +#define QUERY_DDW_PGSIZE_64M
Alexey Kardashevskiy writes:
> On 08/04/2021 15:37, Michael Ellerman wrote:
>> Leonardo Bras writes:
>>> According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
>>> will let the OS know all possible pagesizes that can be used for creating a
>>> new DDW.
>>>
>>> Currently Linux wi
Hi Leonardo,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.12-rc6 next-20210407]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
On 08/04/2021 15:37, Michael Ellerman wrote:
Leonardo Bras writes:
According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
will let the OS know all possible pagesizes that can be used for creating a
new DDW.
Currently Linux will only try using 3 of the 8 available options:
On Thu, 2021-04-08 at 03:20 -0300, Leonardo Bras wrote:
> > > +#define QUERY_DDW_PGSIZE_4K 0x01
> > > +#define QUERY_DDW_PGSIZE_64K 0x02
> > > +#define QUERY_DDW_PGSIZE_16M 0x04
> > > +#define QUERY_DDW_PGSIZE_32M 0x08
> > > +#define QUERY_DDW_PGSIZE_64M 0x10
> > > +#define QUE
Hello Michael, thank you for this feedback!
Comments inline:
On Thu, 2021-04-08 at 15:37 +1000, Michael Ellerman wrote:
> Leonardo Bras writes:
> > According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
> > will let the OS know all possible pagesizes that can be used for creatin
Leonardo Bras writes:
> According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
> will let the OS know all possible pagesizes that can be used for creating a
> new DDW.
>
> Currently Linux will only try using 3 of the 8 available options:
> 4K, 64K and 16M. According to LoPAR, Hyp
Hi Leonardo,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next]
[also build test WARNING on v5.12-rc6 next-20210407]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as docum
According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
will let the OS know all possible pagesizes that can be used for creating a
new DDW.
Currently Linux will only try using 3 of the 8 available options:
4K, 64K and 16M. According to LoPAR, Hypervisor may also offer 32M, 64M,
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