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18a593c8b5
linux/arch/powerpc
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Naveen N. Rao 18a593c8b5 powerpc/pseries: Protect against hogging the cpu while setting up the stats 
When enabling or disabling the vcpu dispatch statistics, we do a lot of
work including allocating/deallocating memory across all possible cpus
for the DTL buffer. In order to guard against hogging the cpu for too
long, track the time we're taking and yield the processor if necessary.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-07-04 22:27:25 +10:00
..
boot treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 40 2019-05-24 17:27:12 +02:00
configs powerpc: Enable CONFIG_IPV6 in ppc64_defconfig 2019-07-04 21:04:06 +10:00
crypto treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
include powerpc/pseries: Protect against hogging the cpu while setting up the stats 2019-07-04 22:27:25 +10:00
kernel powerpc/pci/of: Parse unassigned resources 2019-07-03 15:19:35 +10:00
kvm powerpc/Kconfig: Clean up formatting 2019-07-04 16:55:10 +10:00
lib powerpc/lib: only build ldstfp.o when CONFIG_PPC_FPU is set 2019-05-28 12:08:11 +10:00
math-emu powerpc: math-emu: remove unneeded header search paths 2019-01-14 20:39:27 +11:00
mm powerpc/pseries: Provide vcpu dispatch statistics 2019-07-04 22:27:09 +10:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2019-03-16 12:20:08 -07:00
oprofile Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
perf powerpc/perf/24x7: use rb_entry 2019-07-04 17:09:37 +10:00
platforms powerpc/pseries: Protect against hogging the cpu while setting up the stats 2019-07-04 22:27:25 +10:00
purgatory powerpc: disable KASAN instrumentation on early/critical files. 2019-05-03 01:20:26 +10:00
sysdev powerpc/Kconfig: Clean up formatting 2019-07-04 16:55:10 +10:00
tools powerpc/tools/checkpatch: Ignore DT_SPLIT_BINDING_PATCH 2018-12-04 19:45:01 +11:00
xmon powerpc/64s/exception: remove bad stack branch 2019-07-02 21:39:49 +10:00
Kbuild powerpc: Add -Werror at arch/powerpc level 2018-10-19 00:56:17 +11:00
Kconfig powerpc/Kconfig: Clean up formatting 2019-07-04 16:55:10 +10:00
Kconfig.debug powerpc/xmon: add read-only mode 2019-05-03 02:54:57 +10:00
Makefile treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00
Makefile.postlink