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authorRalf Baechle <ralf@linux-mips.org>2014-11-20 22:45:58 +0100
committerRalf Baechle <ralf@linux-mips.org>2014-11-24 07:45:37 +0100
commitac41f9c46282926c92b8bd0dcb1aca29a97d13ab (patch)
tree47869876a0ca0f53c5f1c15d608b322d3cc63df0 /arch/mips
parent85546d7ec827b7b0ff822cc86644c1b081142e53 (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.h59
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