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radix-tree: Fix __rcu annotations

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Many places were missing __rcu annotations.  A few places needed a few
lines of explanation about why it was safe to not use RCU accessors.
Add a custom CFLAGS setting to the Makefile to ensure that new patches
don't miss RCU annotations.

Signed-off-by: Matthew Wilcox <[email protected]>
This commit is contained in:
Matthew Wilcox 2017-02-13 15:58:24 -05:00
commit d7b627277b
3 changed files with 122 additions and 115 deletions
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2
lib/Makefile
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@ -24,6 +24,8 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
is_single_threaded.o plist.o decompress.o kobject_uevent.o \
earlycpio.o seq_buf.o nmi_backtrace.o nodemask.o win_minmax.o
CFLAGS_radix-tree.o += -DCONFIG_SPARSE_RCU_POINTER
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
lib-$(CONFIG_HAS_DMA) += dma-noop.o