kvm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ben Gardon <bgardon@google.com>
To: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, kvm <kvm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Yanan Wang <wangyanan55@huawei.com>,
	Andrew Jones <drjones@redhat.com>, Peter Xu <peterx@redhat.com>,
	Aaron Lewis <aaronlewis@google.com>
Subject: Re: [PATCH 07/15] KVM: selftests: Capture per-vCPU GPA in perf_test_vcpu_args
Date: Wed, 10 Feb 2021 17:24:08 -0800	[thread overview]
Message-ID: <CANgfPd9DnjYO_mDqpxpAw3o_C=BbeH7hcFX5wJU_tg4nPbk=zA@mail.gmail.com> (raw)
In-Reply-To: <20210210230625.550939-8-seanjc@google.com>

On Wed, Feb 10, 2021 at 3:06 PM Sean Christopherson <seanjc@google.com> wrote:
>
> Capture the per-vCPU GPA in perf_test_vcpu_args so that tests can get
> the GPA without having to calculate the GPA on their own.
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: Ben Gardon <bgardon@google.com>

> ---
>  tools/testing/selftests/kvm/include/perf_test_util.h | 1 +
>  tools/testing/selftests/kvm/lib/perf_test_util.c     | 9 ++++-----
>  2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/include/perf_test_util.h b/tools/testing/selftests/kvm/include/perf_test_util.h
> index 005f2143adeb..4d53238b139f 100644
> --- a/tools/testing/selftests/kvm/include/perf_test_util.h
> +++ b/tools/testing/selftests/kvm/include/perf_test_util.h
> @@ -18,6 +18,7 @@
>  #define PERF_TEST_MEM_SLOT_INDEX       1
>
>  struct perf_test_vcpu_args {
> +       uint64_t gpa;
>         uint64_t gva;
>         uint64_t pages;
>
> diff --git a/tools/testing/selftests/kvm/lib/perf_test_util.c b/tools/testing/selftests/kvm/lib/perf_test_util.c
> index 73b0fccc28b9..f22ce1836547 100644
> --- a/tools/testing/selftests/kvm/lib/perf_test_util.c
> +++ b/tools/testing/selftests/kvm/lib/perf_test_util.c
> @@ -127,7 +127,6 @@ void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus,
>                            bool partition_vcpu_memory_access)
>  {
>         struct perf_test_args *pta = &perf_test_args;
> -       vm_paddr_t vcpu_gpa;
>         struct perf_test_vcpu_args *vcpu_args;
>         int vcpu_id;
>
> @@ -140,17 +139,17 @@ void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus,
>                                          (vcpu_id * vcpu_memory_bytes);
>                         vcpu_args->pages = vcpu_memory_bytes /
>                                            pta->guest_page_size;
> -                       vcpu_gpa = guest_test_phys_mem +
> -                                  (vcpu_id * vcpu_memory_bytes);
> +                       vcpu_args->gpa = guest_test_phys_mem +
> +                                        (vcpu_id * vcpu_memory_bytes);
>                 } else {
>                         vcpu_args->gva = guest_test_virt_mem;
>                         vcpu_args->pages = (vcpus * vcpu_memory_bytes) /
>                                            pta->guest_page_size;
> -                       vcpu_gpa = guest_test_phys_mem;
> +                       vcpu_args->gpa = guest_test_phys_mem;
>                 }
>
>                 pr_debug("Added VCPU %d with test mem gpa [%lx, %lx)\n",
> -                        vcpu_id, vcpu_gpa, vcpu_gpa +
> +                        vcpu_id, vcpu_args->gpa, vcpu_args->gpa +
>                          (vcpu_args->pages * pta->guest_page_size));
>         }
>  }
> --
> 2.30.0.478.g8a0d178c01-goog
>

  reply	other threads:[~2021-02-11  1:25 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10 23:06 [PATCH 00/15] VM: selftests: Hugepage fixes and cleanups Sean Christopherson
2021-02-10 23:06 ` [PATCH 01/15] KVM: selftests: Explicitly state indicies for vm_guest_mode_params array Sean Christopherson
2021-02-11  0:50   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 02/15] KVM: selftests: Expose align() helpers to tests Sean Christopherson
2021-02-11  0:49   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 03/15] KVM: selftests: Align HVA for HugeTLB-backed memslots Sean Christopherson
2021-02-11  0:52   ` Ben Gardon
2021-02-25  7:40   ` wangyanan (Y)
2021-03-13  0:17     ` Sean Christopherson
2021-02-10 23:06 ` [PATCH 04/15] KVM: selftests: Force stronger HVA alignment (1gb) for hugepages Sean Christopherson
2021-02-25  7:57   ` wangyanan (Y)
2021-03-13  0:26     ` Sean Christopherson
2021-02-10 23:06 ` [PATCH 05/15] KVM: selftests: Require GPA to be aligned when backed by hugepages Sean Christopherson
2021-02-11  1:01   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 06/15] KVM: selftests: Use shorthand local var to access struct perf_tests_args Sean Christopherson
2021-02-11  1:09   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 07/15] KVM: selftests: Capture per-vCPU GPA in perf_test_vcpu_args Sean Christopherson
2021-02-11  1:24   ` Ben Gardon [this message]
2021-02-10 23:06 ` [PATCH 08/15] KVM: selftests: Use perf util's per-vCPU GPA/pages in demand paging test Sean Christopherson
2021-02-11  1:23   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 09/15] KVM: selftests: Move per-VM GPA into perf_test_args Sean Christopherson
2021-02-11  1:22   ` Ben Gardon
2021-02-11  1:56     ` Sean Christopherson
2021-02-11 13:12       ` Paolo Bonzini
2021-02-11 15:57         ` Sean Christopherson
2021-02-11 17:33           ` Ben Gardon
2021-02-10 23:06 ` [PATCH 10/15] KVM: selftests: Remove perf_test_args.host_page_size Sean Christopherson
2021-02-11  1:26   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 11/15] KVM: selftests: Create VM with adjusted number of guest pages for perf tests Sean Christopherson
2021-02-11  1:32   ` Ben Gardon
2021-02-10 23:06 ` [PATCH 12/15] KVM: selftests: Fill per-vCPU struct during "perf_test" VM creation Sean Christopherson
2021-02-10 23:06 ` [PATCH 13/15] KVM: selftests: Sync perf_test_args to guest during " Sean Christopherson
2021-02-10 23:06 ` [PATCH 14/15] KVM: selftests: Track size of per-VM memslot in perf_test_args Sean Christopherson
2021-02-10 23:06 ` [PATCH 15/15] KVM: selftests: Get rid of gorilla math in memslots modification test Sean Christopherson
2021-02-11 11:58 ` [PATCH 00/15] VM: selftests: Hugepage fixes and cleanups Andrew Jones

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CANgfPd9DnjYO_mDqpxpAw3o_C=BbeH7hcFX5wJU_tg4nPbk=zA@mail.gmail.com' \
    --to=bgardon@google.com \
    --cc=aaronlewis@google.com \
    --cc=drjones@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=peterx@redhat.com \
    --cc=seanjc@google.com \
    --cc=wangyanan55@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).