Hi everybody,
Here are the notes from the last Hypervisor Live Update call that happened
on Monday, February 24. Thanks for everybody who was involved!
These notes are intended to bring people up to speed who could not attend
the call as well as keep the conversation going in between meetings.
On 02/20/25 at 05:54pm, Jiri Bohac wrote:
..
> diff --git a/Documentation/admin-guide/kernel-parameters.txt
> b/Documentation/admin-guide/kernel-parameters.txt
> index fb8752b42ec8..ea4d53435515 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/ke
On 02/20/25 at 05:48pm, Jiri Bohac wrote:
..snip...
> ---
> Changes since v1:
>
> The key concern raised in the v1 discussion was that pages in the
> CMA region may be pinned and used for a DMA transfer, potentially
> corrupting the new kernel's memory. When the cma suffix is used, kdump
> ma
On 02/20/25 at 05:55pm, Jiri Bohac wrote:
> When re-using the CMA area for kdump there is a risk of pending DMA into
> pinned user pages in the CMA area.
>
> Pages that are pinned long-term are migrated away from CMA, so these are not a
> concern. Pages pinned without FOLL_LONGTERM remain in the C
On 02/20/25 at 05:51pm, Jiri Bohac wrote:
..snip...
> diff --git a/kernel/crash_reserve.c b/kernel/crash_reserve.c
> index a620fb4b2116..e72a9c897694 100644
> --- a/kernel/crash_reserve.c
> +++ b/kernel/crash_reserve.c
> @@ -172,17 +172,19 @@ static int __init parse_crashkernel_simple(char
>
On Fri, Feb 28, 2025 at 11:04:48PM +, Pratyush Yadav wrote:
> On Fri, Feb 28 2025, Mike Rapoport wrote:
> > On Wed, Feb 26, 2025 at 08:08:27PM +, Pratyush Yadav wrote:
> >> On Thu, Feb 06 2025, Mike Rapoport wrote:
> >>
> >> > From: "Mike Rapoport (Microsoft)"
> >> >
> >> > Hi,
> >> >
> >
