From: nadav.amit@gmail.com
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, Andrew Jones <drjones@redhat.com>,
Nadav Amit <nadav.amit@gmail.com>
Subject: [kvm-unit-tests PATCH v2 3/4] lib: Remove redeundant page zeroing
Date: Fri, 3 May 2019 03:32:06 -0700 [thread overview]
Message-ID: <20190503103207.9021-4-nadav.amit@gmail.com> (raw)
In-Reply-To: <20190503103207.9021-1-nadav.amit@gmail.com>
From: Nadav Amit <nadav.amit@gmail.com>
Now that alloc_page() zeros the page, remove the redundant page zeroing.
Suggested-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
---
lib/virtio-mmio.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/lib/virtio-mmio.c b/lib/virtio-mmio.c
index 57fe78e..e5e8f66 100644
--- a/lib/virtio-mmio.c
+++ b/lib/virtio-mmio.c
@@ -56,7 +56,6 @@ static struct virtqueue *vm_setup_vq(struct virtio_device *vdev,
vq = calloc(1, sizeof(*vq));
assert(VIRTIO_MMIO_QUEUE_SIZE_MIN <= 2*PAGE_SIZE);
queue = alloc_pages(1);
- memset(queue, 0, 2*PAGE_SIZE);
assert(vq && queue);
writel(index, vm_dev->base + VIRTIO_MMIO_QUEUE_SEL);
--
2.17.1
next prev parent reply other threads:[~2019-05-03 17:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 10:32 [kvm-unit-tests PATCH v2 0/4] Zero allocated pages nadav.amit
2019-05-03 10:32 ` [kvm-unit-tests PATCH v2 1/4] lib/alloc_page: " nadav.amit
2019-05-03 19:10 ` Krish Sadhukhan
2019-05-03 10:32 ` [kvm-unit-tests PATCH v2 2/4] x86: Remove redeundant page zeroing nadav.amit
2019-05-03 19:11 ` Krish Sadhukhan
2019-05-03 10:32 ` nadav.amit [this message]
2019-05-03 19:57 ` [kvm-unit-tests PATCH v2 3/4] lib: " Krish Sadhukhan
2019-05-03 10:32 ` [kvm-unit-tests PATCH v2 4/4] arm: " nadav.amit
2019-05-09 8:59 ` Alexandru Elisei
2019-05-20 14:19 ` [kvm-unit-tests PATCH v2 0/4] Zero allocated pages Paolo Bonzini
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