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| author | Vineet Gupta | 2013-02-11 15:22:57 +0100 |
|---|---|---|
| committer | Vineet Gupta | 2013-02-15 18:45:58 +0100 |
| commit | 080c37473eb671a037b3e9a315303851f0675be5 (patch) | |
| tree | b407d85217f9c979eed57f2adb31bc3fb06a9c09 /arch/arc/Makefile | |
| parent | ARC: [plat-arcfpga] defconfig (diff) | |
| download | kernel-qcow2-linux-080c37473eb671a037b3e9a315303851f0675be5.tar.gz kernel-qcow2-linux-080c37473eb671a037b3e9a315303851f0675be5.tar.xz kernel-qcow2-linux-080c37473eb671a037b3e9a315303851f0675be5.zip | |
ARC: [optim] Cache "current" in Register r25
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/Makefile')
| -rw-r--r-- | arch/arc/Makefile | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 29b5fcd9c4b6..5c98fc19d99d 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -20,6 +20,15 @@ export PLATFORM cflags-y += -Iarch/arc/plat-$(PLATFORM)/include cflags-y += -mA7 -fno-common -pipe -fno-builtin -D__linux__ +ifdef CONFIG_ARC_CURR_IN_REG +# For a global register defintion, make sure it gets passed to every file +# We had a customer reported bug where some code built in kernel was NOT using +# any kernel headers, and missing the r25 global register +# Can't do unconditionally (like above) because of recursive include issues +# due to <linux/thread_info.h> +LINUXINCLUDE += -include ${src}/arch/arc/include/asm/current.h +endif + atleast_gcc44 := $(call cc-ifversion, -gt, 0402, y) cflags-$(atleast_gcc44) += -fsection-anchors |