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linux-yocto/4.4/4.8: uvesafb: provide option to specify timeout for task completion

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Integrating the following patch:

[
   We try to make this change a generic extension, but it is
   actually for a corner case. When a VM (qemu) gets a very limited
   cpu bandwidth from host, which could be under a heavy load, the
   existing 5000 ms timeout could occur and trigger error messages
   in the task function's callers.

   This change adds a new timeout parameter so that we can tweak
   the value as a workaround or for troubleshooting purposes. In
   the infinite wait case, A warning message is printed at 5000ms
   interval.

   In real world, the current 5 sec is generous enough for a video
   request in my opinion, so this change could not be very useful.

   Upstream Status: Inappropriate

   Signed-off-by: Jianxun Zhang <jianxun.zhang@linux.intel.com>
]

(From OE-Core rev: 872a83be6e86005f6426c90073ece56de4534ac0)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2016-09-07 21:08:49 -04:00
committed by Richard Purdie
parent f14532a572
commit a2966330bc
3 changed files with 13 additions and 13 deletions
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meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
+2 -2
View File
@@ -11,8 +11,8 @@ python () {
raise bb.parse.SkipPackage("Set PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
}
SRCREV_machine ?= "9135adcfb01432abe4a95a50fca5d0395239f798"
SRCREV_meta ?= "698835841165b68089604398f68fd8bc3f79cb65"
SRCREV_machine ?= "a52822c864c50cc5e42939d217a8559fbf853fde"
SRCREV_meta ?= "59290c5f6192da2eccf478d37a8f9f88134822b3"
SRC_URI = "git://git.yoctoproject.org/linux-yocto-4.4.git;branch=${KBRANCH};name=machine \
git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-4.4;destsuffix=${KMETA}"