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Re: [PATCH for-4.22] x86/hvm: Partially revert ("xen/mem_access: wrap memory access when VM_EVENT=n")
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Fri, 5 Jun 2026 21:02:43 -0400
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- Cc: Hady Azzam <hadyazzam@xxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Penny Zheng <Penny.Zheng@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- Delivery-date: Sat, 06 Jun 2026 01:14:12 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2026-06-05 15:41, Andrew Cooper wrote:
It is erroneous to check current like this. e.g. Dom0 does not have VM_EVENT
active when it's introspecting domUs.
The use of vm_event_is_enabled() is only for the IS_ENABLED(CONFIG_VM_EVENT)
short circut, so just use that directly.
Reported-by: Hady Azzam <hadyazzam@xxxxxxxxxxxxxx>
Fixes: b18e38e42da6 ("xen/mem_access: wrap memory access when VM_EVENT=n")
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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