From df192c65f7716a236d576847a54916a5c06a054e Mon Sep 17 00:00:00 2001 From: Amos Kong Date: Tue, 10 Sep 2013 06:07:58 +0200 Subject: [PATCH 16/39] virtio-rng: remove extra request for entropy RH-Author: Amos Kong Message-id: <1378793288-3371-17-git-send-email-akong@redhat.com> Patchwork-id: 54251 O-Subject: [RHEL-6.5 qemu-kvm PATCH v3 16/26] virtio-rng: remove extra request for entropy Bugzilla: 786407 RH-Acked-by: Paolo Bonzini RH-Acked-by: Amit Shah RH-Acked-by: Laszlo Ersek From: Amit Shah If we got fewer bytes from the backend than requested, don't poke the backend for more bytes; the guest will ask for more (or if the guest has already asked for more, the backend knows about it via handle_input()). Signed-off-by: Amit Shah Reviewed-by: Anthony Liguori Signed-off-by: Anthony Liguori (cherry picked from commit 4621c1768ef5d12171cca2aa1473595ecb9f1c9e) --- hw/virtio-rng.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-) Signed-off-by: Miroslav Rezanina --- hw/virtio-rng.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-) diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c index 07a27b9..fba60d8 100644 --- a/hw/virtio-rng.c +++ b/hw/virtio-rng.c @@ -89,13 +89,6 @@ static void chr_read(void *opaque, const void *buf, size_t size) vrng->popped = false; } virtio_notify(&vrng->vdev, vrng->vq); - - /* - * Lastly, if we had multiple elems queued by the guest, and we - * didn't have enough data to fill them all, indicate we want more - * data. - */ - virtio_rng_process(vrng); } static void virtio_rng_process(VirtIORNG *vrng) -- 1.7.1