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| author |  Catalin Marinas <catalin.marinas@arm.com>
| 2014-04-02 10:57:49 +0100 |
|---|---|---|
| committer |  Russell King <rmk+kernel@arm.linux.org.uk>
| 2014-04-09 13:08:08 +0100 |
| commit | 0b1f68e836bcf1ca2861f95066985c57ecfb2f1a (patch) | |
| tree | 2cc6151c12ad8629834eefa35fc1f68442a16f73 /arch/arm/vfp/vfphw.S | |
| parent | ARM: 8017/1: Move asm macro get_thread_info to asm/assembler.h (diff) | |
| download | linux-0b1f68e836bcf1ca2861f95066985c57ecfb2f1a.tar.gz linux-0b1f68e836bcf1ca2861f95066985c57ecfb2f1a.tar.bz2 linux-0b1f68e836bcf1ca2861f95066985c57ecfb2f1a.zip | |
ARM: 8018/1: Add {inc,dec}_preempt_count asm macros
The patch adds asm macros for inc_preempt_count and dec_preempt_count_ti
(which also gets the current thread_info) instead of open-coding them in
arch/arm/vfp/*.S files.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Arun KS <getarunks@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/vfp/vfphw.S')
| -rw-r--r-- | arch/arm/vfp/vfphw.S | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index 98f6246c9002..be807625ed8c 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -182,12 +182,7 @@ vfp_hw_state_valid: @ else it's one 32-bit instruction, so @ always subtract 4 from the following @ instruction address. -#ifdef CONFIG_PREEMPT_COUNT - get_thread_info r10 - ldr r4, [r10, #TI_PREEMPT] @ get preempt count - sub r11, r4, #1 @ decrement it - str r11, [r10, #TI_PREEMPT] -#endif + dec_preempt_count_ti r10, r4 mov pc, r9 @ we think we have handled things @@ -206,12 +201,7 @@ look_for_VFP_exceptions: @ not recognised by VFP DBGSTR "not VFP" -#ifdef CONFIG_PREEMPT_COUNT - get_thread_info r10 - ldr r4, [r10, #TI_PREEMPT] @ get preempt count - sub r11, r4, #1 @ decrement it - str r11, [r10, #TI_PREEMPT] -#endif + dec_preempt_count_ti r10, r4 mov pc, lr process_exception: |