MIPS: lib: Use kernel_pref & user_pref in memcpy()
memcpy() is the only user of the PREF() & PREFE() macros from asm/asm.h. Switch to using the kernel_pref() & user_pref() macros from asm/asm-eva.h which fit more consistently with other abstractions of EVA vs non-EVA instructions. Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20907/ Cc: linux-mips@linux-mips.org
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@ -204,9 +204,10 @@
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#define LOADB(reg, addr, handler) EXC(lb, LD_INSN, reg, addr, handler)
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#define STOREB(reg, addr, handler) EXC(sb, ST_INSN, reg, addr, handler)
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#define _PREF(hint, addr, type) \
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#ifdef CONFIG_CPU_HAS_PREFETCH
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# define _PREF(hint, addr, type) \
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.if \mode == LEGACY_MODE; \
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PREF(hint, addr); \
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kernel_pref(hint, addr); \
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.else; \
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.if ((\from == USEROP) && (type == SRC_PREFETCH)) || \
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((\to == USEROP) && (type == DST_PREFETCH)); \
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@ -218,12 +219,15 @@
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* used later on. Therefore use $v1. \
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*/ \
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.set at=v1; \
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PREFE(hint, addr); \
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user_pref(hint, addr); \
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.set noat; \
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.else; \
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PREF(hint, addr); \
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kernel_pref(hint, addr); \
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.endif; \
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.endif
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#else
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# define _PREF(hint, addr, type)
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#endif
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#define PREFS(hint, addr) _PREF(hint, addr, SRC_PREFETCH)
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#define PREFD(hint, addr) _PREF(hint, addr, DST_PREFETCH)
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