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Re: [PATCH 1/9] stubdom: configure kexec for PVH Xenstore stubdom
- To: Juergen Gross <jgross@xxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Wed, 16 Jul 2025 16:10:14 -0400
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- Cc: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Delivery-date: Wed, 16 Jul 2025 20:20:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2025-07-02 04:12, Juergen Gross wrote:
Add the required configuration settings to enable kexec in the PVH
variant of xenstore-stubdom. This is required to support live update.
Set the number of kexec module pages to 18 in order to support using
the kexec module memory for the stubdom's 9pfs granted pages.
In Xenstore code test the CONFIG_KEXEC setting in order to determine
whether stubdom live update is supported (PV xenstore-stubdom doesn't
have live update support, as it lacks kexec).
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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