On Fri, 29 Jan 2021 14:55:29 -0800
"Luck, Tony" wrote:
> Thanks for the explanation and test code. I think I see better what
> is going on here.
>
> [I took your idea for using madvise(...MADV_HWPOISON) and added a new "-S"
> option to my einj_mem_uc test program to use madvise instead of ACPI/E
Thanks for the explanation and test code. I think I see better what
is going on here.
[I took your idea for using madvise(...MADV_HWPOISON) and added a new "-S"
option to my einj_mem_uc test program to use madvise instead of ACPI/EINJ
for injections. Update pushed here:
git://git.kernel.or
On Thu, 28 Jan 2021 09:43:52 -0800
"Luck, Tony" wrote:
> On Thu, Jan 28, 2021 at 07:43:26PM +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
On Thu, Jan 28, 2021 at 07:43:26PM +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, as it's in kernel
> mode it may be fixed b
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, as it's in kernel
mode it may be fixed by fixup_exception, current code will just return
error code to use
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