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| author | Paul Burton | 2019-02-02 02:43:24 +0100 |
|---|---|---|
| committer | Paul Burton | 2019-02-04 19:56:28 +0100 |
| commit | 4ebea49ce233ce76421250f113a75d6d33c90e22 (patch) | |
| tree | c2545c6b0cd71a225cd40a0e213716fee23d9c2b /arch/mips/mm | |
| parent | MIPS: mm: Split obj-y to a file per line (diff) | |
| download | kernel-qcow2-linux-4ebea49ce233ce76421250f113a75d6d33c90e22.tar.gz kernel-qcow2-linux-4ebea49ce233ce76421250f113a75d6d33c90e22.tar.xz kernel-qcow2-linux-4ebea49ce233ce76421250f113a75d6d33c90e22.zip | |
MIPS: mm: Un-inline get_new_mmu_context
In preparation for adding MMID support to get_new_mmu_context() which
will increase the size of the function somewhat, move it from
asm/mmu_context.h into a C file.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/mm/context.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index 25d492736848..f34d7ff5eb60 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -4,6 +4,7 @@ # obj-y += cache.o +obj-y += context.o obj-y += extable.o obj-y += fault.o obj-y += gup.o diff --git a/arch/mips/mm/context.c b/arch/mips/mm/context.c new file mode 100644 index 000000000000..b5af471006f0 --- /dev/null +++ b/arch/mips/mm/context.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/mmu_context.h> + +void get_new_mmu_context(struct mm_struct *mm) +{ + unsigned int cpu; + u64 asid; + + cpu = smp_processor_id(); + asid = asid_cache(cpu); + + if (!((asid += cpu_asid_inc()) & cpu_asid_mask(&cpu_data[cpu]))) { + if (cpu_has_vtag_icache) + flush_icache_all(); + local_flush_tlb_all(); /* start new asid cycle */ + } + + cpu_context(cpu, mm) = asid_cache(cpu) = asid; +} |