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KVM/arm64 updates for 7.2

Browse source 
* New features:
 
   - None. Zilch. Nada. Que dalle.
 
 * Fixes and other improvements:
 
   - Significant cleanup of the vgic-v5 PPI support which was merged in
     7.1. This makes the code more maintainable, and squashes a couple
     of bugs in the meantime.
 
   - Set of fixes for the handling of the MMU in an NV context,
     particularly VNCR-triggered faults. S1POE support is fixed
     as well.
 
   - Large set of pKVM fixes, mostly addressing recurring issues
     around hypervisor tracking of donated pages in obscure cases
     where the donation could fail and leave things in a bizarre
     state.
 
   - Fixes for the so-called "lazy vgic init", which resulted in
     sleeping operations in non-preemptible sections. This turned
     out to be far more invasive than initially expected...
 
   - Reduce the overhead of L1/L2 context switch by not touching
     the FP registers.
 
   - Fix the way non-implemented page sizes are dealt with when
     a guest insist on using them for S2 translation.
 
   - The usual set of low-impact fixes and cleanups all over the map.
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Merge tag 'kvmarm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for 7.2

* New features:

  - None. Zilch. Nada. Que dalle.

* Fixes and other improvements:

  - Significant cleanup of the vgic-v5 PPI support which was merged in
    7.1. This makes the code more maintainable, and squashes a couple
    of bugs in the meantime.

  - Set of fixes for the handling of the MMU in an NV context,
    particularly VNCR-triggered faults. S1POE support is fixed
    as well.

  - Large set of pKVM fixes, mostly addressing recurring issues
    around hypervisor tracking of donated pages in obscure cases
    where the donation could fail and leave things in a bizarre
    state.

  - Fixes for the so-called "lazy vgic init", which resulted in
    sleeping operations in non-preemptible sections. This turned
    out to be far more invasive than initially expected...

  - Reduce the overhead of L1/L2 context switch by not touching
    the FP registers.

  - Fix the way non-implemented page sizes are dealt with when
    a guest insist on using them for S2 translation.

  - The usual set of low-impact fixes and cleanups all over the map.
This commit is contained in:
Paolo Bonzini 2026-06-12 10:51:42 +02:00
commit 751d041a13
40 changed files with 651 additions and 470 deletions
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