On 04/29/2015 05:15 AM, James Bottomley wrote:
>
> Perhaps the best thing to do is just fix target and call it quits?
>
Right! drivers write code for sg_chaining and on ARCHs that do not
support it the code just works.
Only the max_sg is smaller and the chaining code never kicks in
and is dead c
On Wed, 2015-04-29 at 09:34 +0900, Akinobu Mita wrote:
> 2015-04-29 7:16 GMT+09:00 James Bottomley
> :
> > On Tue, 2015-04-28 at 14:27 -0700, Andrew Morton wrote:
> >> On Sat, 25 Apr 2015 23:56:16 +0900 Akinobu Mita
> >> wrote:
> >>
> >> > Some architectures enable sg chaining option while others
2015-04-29 7:16 GMT+09:00 James Bottomley
:
> On Tue, 2015-04-28 at 14:27 -0700, Andrew Morton wrote:
>> On Sat, 25 Apr 2015 23:56:16 +0900 Akinobu Mita
>> wrote:
>>
>> > Some architectures enable sg chaining option while others do not.
>> >
>> > The requirement to enable sg chaining is that page
On Tue, 2015-04-28 at 14:27 -0700, Andrew Morton wrote:
> On Sat, 25 Apr 2015 23:56:16 +0900 Akinobu Mita
> wrote:
>
> > Some architectures enable sg chaining option while others do not.
> >
> > The requirement to enable sg chaining is that pages must be aligned
> > at a 32-bit boundary in orde
On Sat, 25 Apr 2015 23:56:16 +0900 Akinobu Mita wrote:
> Some architectures enable sg chaining option while others do not.
>
> The requirement to enable sg chaining is that pages must be aligned
> at a 32-bit boundary in order to overload the LSB of the pointer.
> Regardless of whether ARCH_HAS_
Some architectures enable sg chaining option while others do not.
The requirement to enable sg chaining is that pages must be aligned
at a 32-bit boundary in order to overload the LSB of the pointer.
Regardless of whether ARCH_HAS_SG_CHAIN is defined or not, the above
requirement is always chacked
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