diff options
Diffstat (limited to '0001-lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch')
| -rw-r--r-- | 0001-lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/0001-lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch b/0001-lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch new file mode 100644 index 000000000..41be051e9 --- /dev/null +++ b/0001-lib-cpumask-Make-CPUMASK_OFFSTACK-usable-without-deb.patch @@ -0,0 +1,35 @@ +From 0f3f5c5b4ca2eb1f41947c50bedb9b17aa1a1f80 Mon Sep 17 00:00:00 2001 +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. + +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 b3c8be0..50b47cd 100644 +--- a/lib/Kconfig ++++ b/lib/Kconfig +@@ -342,7 +342,8 @@ 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 +-- +1.8.3.1 + |