Unverified Commit 4ebea49c authored by Paul Burton's avatar Paul Burton
Browse files

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: default avatarPaul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
parent 7e8556d0

arch/mips/include/asm/mmu_context.h

+1 −19
Original line number Diff line number Diff line
@@ -97,25 +97,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) 
{

}





/* Normal, classic MIPS get_new_mmu_context */

static inline 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;

}

extern void get_new_mmu_context(struct mm_struct *mm);



/*

 * Initialize the context related info for a new mm_struct

arch/mips/mm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
#



obj-y				+= cache.o

obj-y				+= context.o

obj-y				+= extable.o

obj-y				+= fault.o

obj-y				+= gup.o

arch/mips/mm/context.c

0 → 100644
+19 −0
Original line number Diff line number Diff line 
// 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;

}

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