>+int kvm_gmem_create(struct kvm *kvm, struct kvm_create_guest_memfd *args)
>+{
>+ loff_t size = args->size;
>+ u64 flags = args->flags;
>+ u64 valid_flags = 0;
>+
>+ if (flags & ~valid_flags)
>+ return -EINVAL;
>+
>+ if (size < 0 || !PAGE_ALIGNED(size))
>+
On Fri, Oct 27, 2023 at 11:21:55AM -0700, Sean Christopherson wrote:
>From: Chao Peng
>
>In confidential computing usages, whether a page is private or shared is
>necessary information for KVM to perform operations like page fault
>handling, page zapping etc. There are other potential use cases
On Wed, Nov 30, 2022 at 11:08:44PM +, Sean Christopherson wrote:
>The main theme of this series is to kill off kvm_arch_init(),
>kvm_arch_hardware_(un)setup(), and kvm_arch_check_processor_compat(), which
>all originated in x86 code from way back when, and needlessly complicate
>both common
On Wed, Nov 02, 2022 at 11:18:29PM +, Sean Christopherson wrote:
>
>+ r = kvm_irqfd_init();
>+ if (r)
>+ goto err_irqfd;
>+
> r = kvm_async_pf_init();
> if (r)
>- goto out_free_4;
>+ goto err_async_pf;
>
>
Ping. Anyone can help to review this series (particularly patch 3-5)?
FYI, Sean gave his Reviewed-by to patch 1,2,5 and 6.
d CPU hotplug
https://lore.kernel.org/lkml/3d3296f0-9245-40f9-1b5a-efffdb082...@redhat.com/T/
Note: this series is tested only on Intel systems.
Chao Gao (4):
KVM: x86: Move check_processor_compatibility from init ops to runtime
ops
Partially revert "KVM: Pass kvm_init()'s opaque param to a
omes after the commit.
And changes about kvm_arch_hardware_setup() in original commit are still
needed so they are not reverted.
Signed-off-by: Chao Gao
Reviewed-by: Sean Christopherson
---
arch/arm64/kvm/arm.c | 2 +-
arch/mips/kvm/mips.c | 2 +-
arch/powerpc/kvm/powerpc.c | 2 +-
arch
atibility checks on hotplugged CPUs.
3. abort onlining incompatible CPUs
This series is a follow-up to the discussion about KVM and CPU hotplug
https://lore.kernel.org/lkml/3d3296f0-9245-40f9-1b5a-efffdb082...@redhat.com/T/
Note: this series is tested only on Intel systems.
Chao Gao (4):
omes after the commit.
And changes about kvm_arch_hardware_setup() in original commit are still
needed so they are not reverted.
Signed-off-by: Chao Gao
---
arch/arm64/kvm/arm.c | 2 +-
arch/mips/kvm/mips.c | 2 +-
arch/powerpc/kvm/powerpc.c | 2 +-
arch/riscv/kvm/main.c | 2 +-
arc
omes after the commit.
And changes about kvm_arch_hardware_setup() in original commit are still
needed so they are not reverted.
Signed-off-by: Chao Gao
---
arch/arm64/kvm/arm.c | 2 +-
arch/mips/kvm/mips.c | 2 +-
arch/powerpc/kvm/powerpc.c | 2 +-
arch/riscv/kvm/main.c | 2 +-
arc
t KVM and CPU hotplug
https://lore.kernel.org/lkml/3d3296f0-9245-40f9-1b5a-efffdb082...@redhat.com/T/
Note: this series is tested only on Intel systems.
Chao Gao (4):
KVM: x86: Move check_processor_compatibility from init ops to runtime
ops
Partially revert "KVM: Pass kvm_init()'s opaque p
On Mon, Jan 10, 2022 at 11:06:44PM +, Sean Christopherson wrote:
>On Mon, Dec 27, 2021, Chao Gao wrote:
>> No arch implementation uses this opaque now.
>
>Except for the RISC-V part, this can be a pure revert of commit b99040853738
>("KVM:
>Pass kvm_init()'s opaqu
No arch implementation uses this opaque now.
Signed-off-by: Chao Gao
---
arch/arm64/kvm/arm.c | 2 +-
arch/mips/kvm/mips.c | 2 +-
arch/powerpc/kvm/powerpc.c | 2 +-
arch/riscv/kvm/main.c | 2 +-
arch/s390/kvm/kvm-s390.c | 2 +-
arch/x86/kvm/x86.c | 2
if there is a running VM.
This series is a follow-up to the discussion about KVM and CPU hotplug
https://lore.kernel.org/lkml/3d3296f0-9245-40f9-1b5a-efffdb082...@redhat.com/T/
Note: this series is tested only on Intel systems.
Chao Gao (6):
KVM: x86: Move check_processor_compatibility from init ops
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