Re: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-04 Thread Aili Yao
On Thu, 4 Feb 2021 07:25:55 + HORIGUCHI NAOYA(堀口　直也) wrote: > Hi Aili, > > On Mon, Feb 01, 2021 at 04:17:49PM +0800, Aili Yao wrote: > > When one page is already hwpoisoned by AO action, process may not be > > killed, the process mapping this page may make a syscall include this > > page

Re: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-03 Thread 堀口　直也
Hi Aili, On Mon, Feb 01, 2021 at 04:17:49PM +0800, Aili Yao wrote: > When one page is already hwpoisoned by AO action, process may not be > killed, the process mapping this page may make a syscall include this > page and result to trigger a VM_FAULT_HWPOISON fault, if it's in kernel > mode it may

Re: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-01 Thread Aili Yao
On Mon, 1 Feb 2021 08:58:27 -0800 Andy Lutomirski wrote: > On Mon, Feb 1, 2021 at 12:17 AM Aili Yao wrote: > > > > When one page is already hwpoisoned by AO action, process may not be > > killed, the process mapping this page may make a syscall include this > > page and result to trigger a

Re: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-01 Thread Andy Lutomirski
On Mon, Feb 1, 2021 at 1:10 PM Luck, Tony wrote: > > > In any case, this patch needs rebasing on top of my big fault series > > Is that series in some GIT tree? Or can you give a lore.kernel.org link? https://lore.kernel.org/lkml/cover.1612113550.git.l...@kernel.org/T/#t > > Thanks > > -Tony

RE: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-01 Thread Luck, Tony
> In any case, this patch needs rebasing on top of my big fault series Is that series in some GIT tree? Or can you give a lore.kernel.org link? Thanks -Tony

Re: [PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-01 Thread Andy Lutomirski
On Mon, Feb 1, 2021 at 12:17 AM Aili Yao wrote: > > When one page is already hwpoisoned by AO action, process may not be > killed, the process mapping this page may make a syscall include this > page and result to trigger a VM_FAULT_HWPOISON fault, if it's in kernel > mode it may be fixed by

[PATCH v2] x86/fault: Send a SIGBUS to user process always for hwpoison page access.

2021-02-01 Thread Aili Yao
When one page is already hwpoisoned by AO action, process may not be killed, the process mapping this page may make a syscall include this page and result to trigger a VM_FAULT_HWPOISON fault, if it's in kernel mode it may be fixed by fixup_exception. Current code will just return error code to