diff options
| author | Ralf Baechle | 2014-11-20 22:45:58 +0100 |
|---|---|---|
| committer | Ralf Baechle | 2014-11-24 07:45:37 +0100 |
| commit | ac41f9c46282926c92b8bd0dcb1aca29a97d13ab (patch) | |
| tree | 47869876a0ca0f53c5f1c15d608b322d3cc63df0 /arch/mips | |
| parent | 85546d7ec827b7b0ff822cc86644c1b081142e53 (diff) | |
MIPS: Remove a temporary hack for debugging cache flushes in SMTC configuration
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: aaro.koskinen@iki.fi
Cc: david.daney@cavium.com
Cc: linux-kernel@vger.kernel.org
Cc: markos.chandras@imgtec.com
Cc: dengcheng.zhu@imgtec.com
Cc: chenhc@lemote.com
Cc: akpm@linux-foundation.org
Patchwork: https://patchwork.linux-mips.org/patch/8535/
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/r4kcache.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 4520adc8699b..617d2b8211f5 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -47,79 +47,20 @@ extern void (*r4k_blast_icache)(void); #ifdef CONFIG_MIPS_MT -/* - * Optionally force single-threaded execution during I-cache flushes. - */ -#define PROTECT_CACHE_FLUSHES 1 - -#ifdef PROTECT_CACHE_FLUSHES - -extern int mt_protiflush; -extern int mt_protdflush; -extern void mt_cflush_lockdown(void); -extern void mt_cflush_release(void); - -#define BEGIN_MT_IPROT \ - unsigned long flags = 0; \ - unsigned long mtflags = 0; \ - if(mt_protiflush) { \ - local_irq_save(flags); \ - ehb(); \ - mtflags = dvpe(); \ - mt_cflush_lockdown(); \ - } - -#define END_MT_IPROT \ - if(mt_protiflush) { \ - mt_cflush_release(); \ - evpe(mtflags); \ - local_irq_restore(flags); \ - } - -#define BEGIN_MT_DPROT \ - unsigned long flags = 0; \ - unsigned long mtflags = 0; \ - if(mt_protdflush) { \ - local_irq_save(flags); \ - ehb(); \ - mtflags = dvpe(); \ - mt_cflush_lockdown(); \ - } - -#define END_MT_DPROT \ - if(mt_protdflush) { \ - mt_cflush_release(); \ - evpe(mtflags); \ - local_irq_restore(flags); \ - } - -#else - -#define BEGIN_MT_IPROT -#define BEGIN_MT_DPROT -#define END_MT_IPROT -#define END_MT_DPROT - -#endif /* PROTECT_CACHE_FLUSHES */ - #define __iflush_prologue \ unsigned long redundance; \ extern int mt_n_iflushes; \ - BEGIN_MT_IPROT \ for (redundance = 0; redundance < mt_n_iflushes; redundance++) { #define __iflush_epilogue \ - END_MT_IPROT \ } #define __dflush_prologue \ unsigned long redundance; \ extern int mt_n_dflushes; \ - BEGIN_MT_DPROT \ for (redundance = 0; redundance < mt_n_dflushes; redundance++) { #define __dflush_epilogue \ - END_MT_DPROT \ } #define __inv_dflush_prologue __dflush_prologue |