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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/
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1 changed files with 0 additions and 59 deletions
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@ -47,79 +47,20 @@ extern void (*r4k_blast_icache)(void);
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#ifdef CONFIG_MIPS_MT
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/*
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* Optionally force single-threaded execution during I-cache flushes.
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*/
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#define PROTECT_CACHE_FLUSHES 1
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#ifdef PROTECT_CACHE_FLUSHES
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extern int mt_protiflush;
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extern int mt_protdflush;
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extern void mt_cflush_lockdown(void);
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extern void mt_cflush_release(void);
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#define BEGIN_MT_IPROT \
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unsigned long flags = 0; \
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unsigned long mtflags = 0; \
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if(mt_protiflush) { \
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local_irq_save(flags); \
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ehb(); \
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mtflags = dvpe(); \
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mt_cflush_lockdown(); \
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}
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#define END_MT_IPROT \
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if(mt_protiflush) { \
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mt_cflush_release(); \
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evpe(mtflags); \
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local_irq_restore(flags); \
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}
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#define BEGIN_MT_DPROT \
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unsigned long flags = 0; \
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unsigned long mtflags = 0; \
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if(mt_protdflush) { \
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local_irq_save(flags); \
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ehb(); \
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mtflags = dvpe(); \
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mt_cflush_lockdown(); \
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}
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#define END_MT_DPROT \
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if(mt_protdflush) { \
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mt_cflush_release(); \
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evpe(mtflags); \
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local_irq_restore(flags); \
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}
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#else
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#define BEGIN_MT_IPROT
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#define BEGIN_MT_DPROT
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#define END_MT_IPROT
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#define END_MT_DPROT
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#endif /* PROTECT_CACHE_FLUSHES */
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#define __iflush_prologue \
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unsigned long redundance; \
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extern int mt_n_iflushes; \
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BEGIN_MT_IPROT \
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for (redundance = 0; redundance < mt_n_iflushes; redundance++) {
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#define __iflush_epilogue \
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END_MT_IPROT \
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}
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#define __dflush_prologue \
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unsigned long redundance; \
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extern int mt_n_dflushes; \
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BEGIN_MT_DPROT \
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for (redundance = 0; redundance < mt_n_dflushes; redundance++) {
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#define __dflush_epilogue \
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END_MT_DPROT \
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}
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#define __inv_dflush_prologue __dflush_prologue
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