On Wed, Jun 16, 2021 at 11:39:07AM -0400, Boris Ostrovsky wrote:
>
> On 6/16/21 11:35 AM, Christoph Hellwig wrote:
> > On Wed, Jun 16, 2021 at 11:33:50AM -0400, Boris Ostrovsky wrote:
> >> Isn't the expectation of virt_to_page() that it only works on
> >> non-vmalloc'd addresses? (This is not a
On 6/16/21 11:35 AM, Christoph Hellwig wrote:
> On Wed, Jun 16, 2021 at 11:33:50AM -0400, Boris Ostrovsky wrote:
>> Isn't the expectation of virt_to_page() that it only works on non-vmalloc'd
>> addresses? (This is not a rhetorical question, I actually don't know).
> Yes. Thus is why I'd
On Wed, Jun 16, 2021 at 11:33:50AM -0400, Boris Ostrovsky wrote:
> Isn't the expectation of virt_to_page() that it only works on non-vmalloc'd
> addresses? (This is not a rhetorical question, I actually don't know).
Yes. Thus is why I'd suggest to just do the vmalloc_to_page or
virt_to_page
On 6/16/21 10:21 AM, Christoph Hellwig wrote:
> On Wed, Jun 16, 2021 at 10:12:55AM -0400, Boris Ostrovsky wrote:
>> I wonder now whether we could avoid code duplication between here and
>> dma_common_mmap()/dma_common_get_sgtable() and use your helper there.
>>
>>
>> Christoph, would that work?
On Wed, Jun 16, 2021 at 10:12:55AM -0400, Boris Ostrovsky wrote:
> I wonder now whether we could avoid code duplication between here and
> dma_common_mmap()/dma_common_get_sgtable() and use your helper there.
>
>
> Christoph, would that work? I.e. something like
You should not duplicate the
On 6/16/21 7:42 AM, Roman Skakun wrote:
> This commit is dedicated to fix incorrect conversion from
> cpu_addr to page address in cases when we get virtual
> address which allocated through xen_swiotlb_alloc_coherent()
> and can be mapped in the vmalloc range.
> As the result, virt_to_page()
