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authorPaul Burton <paul.burton@mips.com>2019-02-02 02:43:27 +0100
committerPaul Burton <paul.burton@mips.com>2019-02-04 19:56:35 +0100
commit535113896e802e9f8f92c05a887d1761c34ae903 (patch)
tree4d0b573a5ad008f478f806e585aec22db77e03cc /arch/mips/mm
parentMIPS: mm: Add set_cpu_context() for ASID assignments (diff)
downloadlinux-535113896e802e9f8f92c05a887d1761c34ae903.tar.xz
linux-535113896e802e9f8f92c05a887d1761c34ae903.zip
MIPS: Add GINVT instruction helpers
Add a family of ginvt_* functions making it easy to emit a GINVT instruction to globally invalidate TLB entries. We make use of the _ASM_MACRO infrastructure to support emitting the instructions even if the assembler isn't new enough to support them natively. An associated STYPE_GINV definition & sync_ginv() function are added to emit a sync instruction of type 0x14, which operates as a completion barrier for these new GINVT (and GINVI) instructions. Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
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