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authorPaul Burton <paul.burton@mips.com>2019-02-02 04:43:24 +0300
committerPaul Burton <paul.burton@mips.com>2019-02-04 21:56:28 +0300
commit4ebea49ce233ce76421250f113a75d6d33c90e22 (patch)
treec2545c6b0cd71a225cd40a0e213716fee23d9c2b /arch/mips/mm
parent7e8556d06acd552ba4d01c0e0d7307f7b79f9945 (diff)
downloadlinux-4ebea49ce233ce76421250f113a75d6d33c90e22.tar.xz
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/Makefile1
-rw-r--r--arch/mips/mm/context.c19
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;
+}