diff options
| author | Laura Abbott <labbott@fedoraproject.org> | 2015-09-01 15:03:08 -0700 |
|---|---|---|
| committer | Laura Abbott <labbott@fedoraproject.org> | 2015-09-01 15:59:56 -0700 |
| commit | d07b889185195409a6090ed3e12fff475b4258f4 (patch) | |
| tree | c2b98784a9c45c2ba5420c4a256c03d1c1c2e125 /lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch | |
| parent | 07775e21b6d0c7b9c2251deb8cb5ef3052a38c6e (diff) | |
| download | kernel-d07b889185195409a6090ed3e12fff475b4258f4.tar.gz kernel-d07b889185195409a6090ed3e12fff475b4258f4.tar.xz kernel-d07b889185195409a6090ed3e12fff475b4258f4.zip | |
Linux v4.2
This is a squashed patch of the history from F22 + the 4.2 rebase
Diffstat (limited to 'lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch')
| -rw-r--r-- | lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch b/lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch new file mode 100644 index 000000000..199868bbb --- /dev/null +++ b/lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch @@ -0,0 +1,34 @@ +From: Josh Boyer <jwboyer@fedoraproject.org> +Date: Mon, 11 Nov 2013 08:39:16 -0500 +Subject: [PATCH] lib/cpumask: Make CPUMASK_OFFSTACK usable without debug + dependency + +When CPUMASK_OFFSTACK was added in 2008, it was dependent upon +DEBUG_PER_CPU_MAPS being enabled, or an architecture could select it. +The debug dependency adds additional overhead that isn't required for +operation of the feature, and we need CPUMASK_OFFSTACK to increase the +NR_CPUS value beyond 512 on x86. We drop the current dependency and make +sure SMP is set. + +Bugzilla: N/A +Upstream-status: Nak'd, supposedly replacement coming to auto-select + +Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org> +--- + lib/Kconfig | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/lib/Kconfig b/lib/Kconfig +index 87da53bb1fef..c767ba0cbab7 100644 +--- a/lib/Kconfig ++++ b/lib/Kconfig +@@ -391,7 +391,8 @@ config CHECK_SIGNATURE + bool + + config CPUMASK_OFFSTACK +- bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS ++ bool "Force CPU masks off stack" ++ depends on SMP + help + Use dynamic allocation for cpumask_var_t, instead of putting + them on the stack. This is a bit more expensive, but avoids |