A migrating transparent huge page has to already be unmapped. Otherwise,
the page could be modified while it is being copied to a new page and
data could be lost. The function __split_huge_pmd() checks for a PMD
migration entry before calling __split_huge_pmd_locked() leading one to
think that __sp
(Including a bunch more emails in the To: that got missed the first time)
Hello everyone!
The X.org board is soliciting proposals to host XDC in 2021. Since
XDC2020 is being held virtually this year, we've decided to host in
either North America or Europe. However, the board is open to other
loca
On Wed, Sep 02, 2020 at 09:58:24AM -0700, Ralph Campbell wrote:
> A migrating transparent huge page has to already be unmapped. Otherwise,
> the page could be modified while it is being copied to a new page and
> data could be lost. The function __split_huge_pmd() checks for a PMD
> migration entry
On Thu, Sep 03, 2020 at 10:43:02AM +0200, Christoph Hellwig wrote:
> On Tue, Sep 01, 2020 at 07:38:10PM +0200, Thomas Bogendoerfer wrote:
> > this is the problem:
> >
> >/* Always check for received packets. */
> > sgiseeq_rx(dev, sp, hregs, sregs);
> >
> > so the driver will look
On Tue, Sep 01, 2020 at 07:38:10PM +0200, Thomas Bogendoerfer wrote:
> this is the problem:
>
>/* Always check for received packets. */
> sgiseeq_rx(dev, sp, hregs, sregs);
>
> so the driver will look at the rx descriptor on every interrupt, so
> we cache the rx descriptor on the
On Wed, Sep 02, 2020 at 11:38:09PM +0200, Thomas Bogendoerfer wrote:
> the patch below fixes the problem.
But is very wrong unfortunately.
> static inline void dma_sync_desc_cpu(struct net_device *dev, void *addr)
> {
> - dma_cache_sync(dev->dev.parent, addr, sizeof(struct sgiseeq_rx_desc
On Tue, Sep 01, 2020 at 07:38:10PM +0200, Thomas Bogendoerfer wrote:
> On Tue, Sep 01, 2020 at 07:16:27PM +0200, Christoph Hellwig wrote:
> > Well, if IP22 doesn't speculate (which I'm pretty sure is the case),
> > dma_sync_single_for_cpu should indeeed be a no-op. But then there
> > also shouldn'
Hi Willy,
On 01.09.20 18:53, Matthew Wilcox wrote:
> On Tue, Sep 01, 2020 at 06:41:12PM +0200, Helge Deller wrote:
>>> I still have a zoo of machines running for such testing, including a
>>> 715/64 and two 730.
>>> I'm going to test this git tree on the 715/64:
>
> The 715/64 is a 7100LC machine
