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linux-yocto: x86_64: expand kernel stack to 16K

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Updating to backport the following mainline commit:

[
    x86_64: expand kernel stack to 16K

    commit 6538b8ea886e472f4431db8ca1d60478f838d14b upstream

    While I play inhouse patches with much memory pressure on qemu-kvm,
    3.14 kernel was randomly crashed. The reason was kernel stack overflow.

    When I investigated the problem, the callstack was a little bit deeper
    by involve with reclaim functions but not direct reclaim path.

   ....
]

(From OE-Core rev: b162bcf26a5b97fddd2a64789f97ec705bb354f9)

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
2014-07-17 15:19:52 -04:00
committed by Richard Purdie
parent 32a20c34eb
commit d332ad770e
3 changed files with 10 additions and 10 deletions
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4
meta/recipes-kernel/linux/linux-yocto-rt_3.14.bb
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@@ -3,8 +3,8 @@ require recipes-kernel/linux/linux-yocto.inc
KBRANCH = "standard/preempt-rt/base"
KBRANCH_qemuppc = "standard/preempt-rt/qemuppc"
SRCREV_machine ?= "568f018a22474939695a31709802bb8863c483d9"
SRCREV_machine_qemuppc ?= "6af424a3a76a7fcf0cc7718b93f7a9db52383c25"
SRCREV_machine ?= "a70496be11fee0166481b1917745496e7eed863f"
SRCREV_machine_qemuppc ?= "e8684b6b9919daea3e87c1e28efec0b3f39a3da7"
SRCREV_meta ?= "b2af4e3528e65583c98f3a08c6edb0cad7a120b0"
SRC_URI = "git://git.yoctoproject.org/linux-yocto-3.14.git;bareclone=1;branch=${KBRANCH},meta;name=machine,meta"