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3 commits

Author SHA1 Message Date
paulhsia
7cf768d02d ac97: Fix device real time priority issue 
- Add allow sched_setscheduler call in seccomp policy
- Change the real time priority constant AUDIO_THREAD_RTPRIO to 10 to match
all other clients' priority.

Run the following commands to test
1. ulimit -r 10
2. crosvm run -r ./vm_rootfs.img -c 1 -m 1024 -s /run --cid 5 --host_ip \
   100.115.92.25 --netmask 255.255.255.252 --cras-audio \
   --params="snd_intel8x0.inside_vm=1 snd_intel8x0.ac97_clock=48000" \
   --mac d2:47:f7:c5:9e:53 ./vm_kernel
3. aplay -Dhw:0,0 -f dat /dev/zero
4. ps -AT -o comm,rtprio | grep crosvm
should see a thread running with rtprio=10

BUG=chromium:983533
BUG=b:138262556
TEST=Test with eve (x86_64) and bob (arm)

Change-Id: Idc3711d03d716741f7cefd9a89b14ae4c20c2033
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1729089
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
Commit-Queue: Chih-Yang Hsia <paulhsia@chromium.org>
 2019-08-01 09:25:59 +00:00
Zach Reizner
bae43dd4c9 seccomp: refactor policy into common_device.policy 
CQ-DEPEND=CL:1449895
BUG=None
TEST=vmc start termina

Change-Id: Ia3edaafc1d2958bd40e6b1adc89dd5e29b679b06
Reviewed-on: https://chromium-review.googlesource.com/1448292
Commit-Ready: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
 2019-02-07 03:02:12 -08:00
paulhsia
f052cfefc8 linux: Add ac97 device with CRAS backend 
Add an ac97 device that plays audio through CRAS audio server.

BUG=chromium:781398
BUG=chromium:907520
TEST=Test building by $ cargo build
TEST=Deploy crosvm to DUT and test audio functionality
CQ-DEPEND=CL:1429311
CQ-DEPEND=CL:1429542

Change-Id: Ia273d8f1e82c20d1f1882f088886458339399aae
Reviewed-on: https://chromium-review.googlesource.com/1426282
Commit-Ready: Chih-Yang Hsia <paulhsia@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org>
 2019-01-27 10:43:26 -08:00