From: Sean Christopherson <seanjc@google.com>
To: Anish Moorthy <amoorthy@google.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev,
oliver.upton@linux.dev, pbonzini@redhat.com, maz@kernel.org,
robert.hoo.linux@gmail.com, jthoughton@google.com,
dmatlack@google.com, axelrasmussen@google.com,
peterx@redhat.com, nadav.amit@gmail.com,
isaku.yamahata@gmail.com, kconsul@linux.vnet.ibm.com
Subject: Re: [PATCH v6 01/14] KVM: Documentation: Clarify meaning of hva_to_pfn()'s 'atomic' parameter
Date: Wed, 7 Feb 2024 07:26:43 -0800 [thread overview]
Message-ID: <ZcOhM5wPguyNC0j5@google.com> (raw)
In-Reply-To: <20231109210325.3806151-2-amoorthy@google.com>
This is not a Documentation change. The comment might make its way to generated
docs, but this is not Documentation/ and I most definitely did not expect a change
to kvm_main.c based on the scope.
On Thu, Nov 09, 2023, Anish Moorthy wrote:
> The current docstring can be read as "atomic -> allowed to sleep," when
> in fact the intended statement is "atomic -> NOT allowed to sleep." Make
> that clearer in the docstring.
>
> Signed-off-by: Anish Moorthy <amoorthy@google.com>
> ---
> virt/kvm/kvm_main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 9170a61ea99f..687374138cfd 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -2983,7 +2983,7 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma,
> /*
> * Pin guest page in memory and return its pfn.
> * @addr: host virtual address which maps memory to the guest
> - * @atomic: whether this function can sleep
> + * @atomic: whether this function is forbidden from sleeping
> * @interruptible: whether the process can be interrupted by non-fatal signals
> * @async: whether this function need to wait IO complete if the
> * host page is not in the memory
> --
> 2.42.0.869.gea05f2083d-goog
>
next prev parent reply other threads:[~2024-02-07 15:26 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-09 21:03 [PATCH v6 00/14] Improve KVM + userfaultfd performance via KVM_MEMORY_FAULT_EXITs on stage-2 faults Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 01/14] KVM: Documentation: Clarify meaning of hva_to_pfn()'s 'atomic' parameter Anish Moorthy
2024-02-07 15:26 ` Sean Christopherson [this message]
2024-02-07 18:44 ` Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 02/14] KVM: Documentation: Add docstrings for __kvm_read/write_guest_page() Anish Moorthy
2024-02-07 15:30 ` Sean Christopherson
2023-11-09 21:03 ` [PATCH v6 03/14] KVM: Simplify error handling in __gfn_to_pfn_memslot() Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 04/14] KVM: Define and communicate KVM_EXIT_MEMORY_FAULT RWX flags to userspace Anish Moorthy
2024-02-07 15:30 ` Sean Christopherson
2024-02-07 18:57 ` Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 05/14] KVM: Try using fast GUP to resolve read faults Anish Moorthy
2024-02-05 21:55 ` Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 06/14] KVM: Add memslot flag to let userspace force an exit on missing hva mappings Anish Moorthy
2024-01-31 0:25 ` James Houghton
2024-01-31 21:59 ` Anish Moorthy
2024-02-01 0:26 ` James Houghton
2024-02-01 1:19 ` Oliver Upton
2024-02-01 16:28 ` Sean Christopherson
2024-02-01 19:24 ` Anish Moorthy
2024-02-02 1:03 ` Oliver Upton
2024-02-02 1:01 ` Oliver Upton
2024-02-01 16:09 ` Sean Christopherson
2024-02-01 19:53 ` Anish Moorthy
2024-02-07 15:35 ` Sean Christopherson
2023-11-09 21:03 ` [PATCH v6 07/14] KVM: x86: Enable KVM_CAP_EXIT_ON_MISSING and annotate EFAULTs from stage-2 fault handler Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 08/14] KVM: arm64: Enable KVM_CAP_MEMORY_FAULT_INFO Anish Moorthy
2023-11-09 21:07 ` Anish Moorthy
2024-02-07 15:39 ` Sean Christopherson
2024-02-07 16:41 ` Oliver Upton
2024-02-07 21:21 ` Anish Moorthy
2024-02-07 21:41 ` Sean Christopherson
2024-02-07 22:07 ` Oliver Upton
2024-02-09 1:13 ` Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 09/14] KVM: arm64: Enable KVM_CAP_EXIT_ON_MISSING and annotate an EFAULT from stage-2 fault-handler Anish Moorthy
2024-01-30 23:58 ` James Houghton
2024-01-31 22:38 ` Anish Moorthy
2024-02-09 1:21 ` Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 10/14] KVM: selftests: Report per-vcpu demand paging rate from demand paging test Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 11/14] KVM: selftests: Allow many vCPUs and reader threads per UFFD in " Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 12/14] KVM: selftests: Use EPOLL in userfaultfd_util reader threads and signal errors via TEST_ASSERT Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 13/14] KVM: selftests: Add memslot_flags parameter to memstress_create_vm() Anish Moorthy
2023-11-09 21:03 ` [PATCH v6 14/14] KVM: selftests: Handle memory fault exits in demand_paging_test Anish Moorthy
2024-02-07 15:46 ` [PATCH v6 00/14] Improve KVM + userfaultfd performance via KVM_MEMORY_FAULT_EXITs on stage-2 faults Sean Christopherson
2024-02-09 16:00 ` Anish Moorthy
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