On Thu, 17 Dec 2020 16:38:22 +0100,
Lars-Peter Clausen wrote:
>
> >> Maybe what we need is a check that runtime->dma_area is page aligned
> >> and runtime->dma_bytes is a multiple of PAGE_SIZE. With a warning at
> >> first and then turn this into a error a year later or so.
> > OK, how about the
On 12/17/20 4:18 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 15:57:02 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 3:24 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 14:16:48 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 12:06 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 11:59:23 +0100,
On Thu, 17 Dec 2020 15:57:02 +0100,
Lars-Peter Clausen wrote:
>
> On 12/17/20 3:24 PM, Takashi Iwai wrote:
> > On Thu, 17 Dec 2020 14:16:48 +0100,
> > Lars-Peter Clausen wrote:
> >> On 12/17/20 12:06 PM, Takashi Iwai wrote:
> >>> On Thu, 17 Dec 2020 11:59:23 +0100,
> >>> Lars-Peter Clausen wrote:
On 12/17/20 3:24 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 14:16:48 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 12:06 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 11:59:23 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 10:55 AM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 10:43:45 +0100,
On Thu, 17 Dec 2020 14:16:48 +0100,
Lars-Peter Clausen wrote:
>
> On 12/17/20 12:06 PM, Takashi Iwai wrote:
> > On Thu, 17 Dec 2020 11:59:23 +0100,
> > Lars-Peter Clausen wrote:
> >> On 12/17/20 10:55 AM, Takashi Iwai wrote:
> >>> On Thu, 17 Dec 2020 10:43:45 +0100,
> >>> Lars-Peter Clausen
On 12/17/20 12:06 PM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 11:59:23 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 10:55 AM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 10:43:45 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 5:15 PM, Robin Gong wrote:
Since mmap for userspace is based on page
On Thu, 17 Dec 2020 11:59:23 +0100,
Lars-Peter Clausen wrote:
>
> On 12/17/20 10:55 AM, Takashi Iwai wrote:
> > On Thu, 17 Dec 2020 10:43:45 +0100,
> > Lars-Peter Clausen wrote:
> >> On 12/17/20 5:15 PM, Robin Gong wrote:
> >>> Since mmap for userspace is based on page alignment, add page
On 12/17/20 10:55 AM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 10:43:45 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 5:15 PM, Robin Gong wrote:
Since mmap for userspace is based on page alignment, add page alignment
for iram alloc from pool, otherwise, some good data located in the same
page of
On 12/17/20 11:14 AM, Takashi Iwai wrote:
On Thu, 17 Dec 2020 10:55:42 +0100,
Takashi Iwai wrote:
On Thu, 17 Dec 2020 10:43:45 +0100,
Lars-Peter Clausen wrote:
On 12/17/20 5:15 PM, Robin Gong wrote:
Since mmap for userspace is based on page alignment, add page alignment
for iram alloc from
On Thu, 17 Dec 2020 10:55:42 +0100,
Takashi Iwai wrote:
>
> On Thu, 17 Dec 2020 10:43:45 +0100,
> Lars-Peter Clausen wrote:
> >
> > On 12/17/20 5:15 PM, Robin Gong wrote:
> > > Since mmap for userspace is based on page alignment, add page alignment
> > > for iram alloc from pool, otherwise, some
On Thu, 17 Dec 2020 10:43:45 +0100,
Lars-Peter Clausen wrote:
>
> On 12/17/20 5:15 PM, Robin Gong wrote:
> > Since mmap for userspace is based on page alignment, add page alignment
> > for iram alloc from pool, otherwise, some good data located in the same
> > page of dmab->area maybe touched
On 12/17/20 5:15 PM, Robin Gong wrote:
Since mmap for userspace is based on page alignment, add page alignment
for iram alloc from pool, otherwise, some good data located in the same
page of dmab->area maybe touched wrongly by userspace like pulseaudio.
I wonder, do we also have to align size
On Thu, 17 Dec 2020 17:15:47 +0100,
Robin Gong wrote:
>
> Since mmap for userspace is based on page alignment, add page alignment
> for iram alloc from pool, otherwise, some good data located in the same
> page of dmab->area maybe touched wrongly by userspace like pulseaudio.
>
> Signed-off-by:
Since mmap for userspace is based on page alignment, add page alignment
for iram alloc from pool, otherwise, some good data located in the same
page of dmab->area maybe touched wrongly by userspace like pulseaudio.
Signed-off-by: Robin Gong
---
sound/core/memalloc.c | 3 ++-
1 file changed, 2
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