Le 03/11/2020 à 22:08, Dmitry Safonov a écrit :
Hi Laurent, Christophe, Michael, all,
On 11/3/20 5:11 PM, Laurent Dufour wrote:
Le 23/10/2020 à 14:28, Christophe Leroy a écrit :
[..]
That seems like it would work for CRIU and make sense in general?
Sorry for the late answer, yes this would
Hi Laurent, Christophe, Michael, all,
On 11/3/20 5:11 PM, Laurent Dufour wrote:
> Le 23/10/2020 à 14:28, Christophe Leroy a écrit :
[..]
That seems like it would work for CRIU and make sense in general?
>>>
>>> Sorry for the late answer, yes this would make more sense.
>>>
>>> Here is a
Le 23/10/2020 à 14:28, Christophe Leroy a écrit :
Hi Laurent
Le 07/05/2019 à 18:35, Laurent Dufour a écrit :
Le 01/05/2019 à 12:32, Michael Ellerman a écrit :
Laurent Dufour writes:
Le 23/04/2019 à 18:04, Dave Hansen a écrit :
On 4/23/19 4:16 AM, Laurent Dufour wrote:
...
There are 2
Hi Laurent
Le 07/05/2019 à 18:35, Laurent Dufour a écrit :
Le 01/05/2019 à 12:32, Michael Ellerman a écrit :
Laurent Dufour writes:
Le 23/04/2019 à 18:04, Dave Hansen a écrit :
On 4/23/19 4:16 AM, Laurent Dufour wrote:
...
There are 2 assumptions here:
1. 'start' and 'end' are page
Le 23/04/2019 à 18:04, Dave Hansen a écrit :
On 4/23/19 4:16 AM, Laurent Dufour wrote:
My only concern is the error path.
Calling arch_unmap() before handling any error case means that it will
have to be undo and there is no way to do so.
Is there a practical scenario where munmap() of the
On 4/23/19 4:16 AM, Laurent Dufour wrote:
> My only concern is the error path.
> Calling arch_unmap() before handling any error case means that it will
> have to be undo and there is no way to do so.
Is there a practical scenario where munmap() of the VDSO can split a
VMA? If the VDSO is
On Tue, 23 Apr 2019, Laurent Dufour wrote:
> Le 20/04/2019 à 12:31, Michael Ellerman a écrit :
> > Thomas Gleixner writes:
> > > Aside of that the powerpc variant looks suspicious:
> > >
> > > static inline void arch_unmap(struct mm_struct *mm,
> > >unsigned long
Le 20/04/2019 à 12:31, Michael Ellerman a écrit :
Thomas Gleixner writes:
On Mon, 1 Apr 2019, Dave Hansen wrote:
diff -puN mm/mmap.c~mpx-rss-pass-no-vma mm/mmap.c
--- a/mm/mmap.c~mpx-rss-pass-no-vma 2019-04-01 06:56:53.409411123 -0700
+++ b/mm/mmap.c 2019-04-01 06:56:53.423411123 -0700
@@
Thomas Gleixner writes:
> On Mon, 1 Apr 2019, Dave Hansen wrote:
>> diff -puN mm/mmap.c~mpx-rss-pass-no-vma mm/mmap.c
>> --- a/mm/mmap.c~mpx-rss-pass-no-vma 2019-04-01 06:56:53.409411123 -0700
>> +++ b/mm/mmap.c 2019-04-01 06:56:53.423411123 -0700
>> @@ -2731,9 +2731,17 @@ int
On Mon, 1 Apr 2019, Dave Hansen wrote:
> diff -puN mm/mmap.c~mpx-rss-pass-no-vma mm/mmap.c
> --- a/mm/mmap.c~mpx-rss-pass-no-vma 2019-04-01 06:56:53.409411123 -0700
> +++ b/mm/mmap.c 2019-04-01 06:56:53.423411123 -0700
> @@ -2731,9 +2731,17 @@ int __do_munmap(struct mm_struct *mm, un
>
This is a bit of a mess, to put it mildly. But, it's a bug
that seems to have gone unticked up to now, probably because
nobody uses MPX. The other alternative to this fix is to just
deprecate MPX, even in -stable kernels.
MPX has the arch_unmap() hook inside of munmap() because MPX
uses
This is a bit of a mess, to put it mildly. But, it's a bug
that seems to have gone unticked up to now, probably because
nobody uses MPX. The other alternative to this fix is to just
deprecate MPX, even in -stable kernels.
MPX has the arch_unmap() hook inside of munmap() because MPX
uses
12 matches
Mail list logo
