On Thu, Sep 19, 2019 at 03:41:43PM +, Catalin Marinas wrote:
> On Thu, Sep 19, 2019 at 06:00:07PM +0300, Kirill A. Shutemov wrote:
> > On Wed, Sep 18, 2019 at 07:00:30PM +0100, Catalin Marinas wrote:
> > > On Wed, Sep 18, 2019 at 05:00:27PM +0300, Kirill A. Shutemov wrote:
> > > > On Wed, Sep
On Thu, Sep 19, 2019 at 06:00:07PM +0300, Kirill A. Shutemov wrote:
> On Wed, Sep 18, 2019 at 07:00:30PM +0100, Catalin Marinas wrote:
> > On Wed, Sep 18, 2019 at 05:00:27PM +0300, Kirill A. Shutemov wrote:
> > > On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
> > > > @@ -2152,20 +2163,34
Hi Kirill
Thanks for the detailed explanation.
--
Cheers,
Justin (Jia He)
> -Original Message-
> From: Kirill A. Shutemov
> Sent: 2019年9月19日 22:58
> To: Jia He
> Cc: Justin He (Arm Technology China) ; Catalin
> Marinas ; Will Deacon ; Mark
> Rutland ; James Morse
> ; Marc Zyngier ;
On Wed, Sep 18, 2019 at 07:00:30PM +0100, Catalin Marinas wrote:
> On Wed, Sep 18, 2019 at 05:00:27PM +0300, Kirill A. Shutemov wrote:
> > On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
> > > @@ -2152,20 +2163,34 @@ static inline void cow_user_page(struct page
> > > *dst, struct page
On Thu, Sep 19, 2019 at 10:16:34AM +0800, Jia He wrote:
> Hi Kirill
>
> [On behalf of justin...@arm.com because some mails are filted...]
>
> On 2019/9/18 22:00, Kirill A. Shutemov wrote:
> > On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
> > > When we tested pmdk unit test [1]
Hi Kirill
[On behalf of justin...@arm.com because some mails are filted...]
On 2019/9/18 22:00, Kirill A. Shutemov wrote:
On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
When we tested pmdk unit test [1] vmmalloc_fork TEST1 in arm64 guest, there
will be a double page fault in
> -Original Message-
> From: kbuild test robot
> Sent: 2019年9月19日 3:36
> To: Justin He (Arm Technology China)
> Cc: kbuild-...@01.org; Catalin Marinas ; Will
> Deacon ; Mark Rutland ;
> James Morse ; Marc Zyngier ;
> Matthew Wilcox ; Kirill A. Shutemov
> ;
Hi Jia,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[cannot apply to v5.3 next-20190917]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
On Wed, Sep 18, 2019 at 05:00:27PM +0300, Kirill A. Shutemov wrote:
> On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
> > @@ -2152,20 +2163,34 @@ static inline void cow_user_page(struct page *dst,
> > struct page *src, unsigned lo
> > */
> > if (unlikely(!src)) {
> >
On Wed, Sep 18, 2019 at 09:19:14PM +0800, Jia He wrote:
> When we tested pmdk unit test [1] vmmalloc_fork TEST1 in arm64 guest, there
> will be a double page fault in __copy_from_user_inatomic of cow_user_page.
>
> Below call trace is from arm64 do_page_fault for debugging purpose
> [
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