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arm64: remove dead code

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Commit 68234df4ea ("arm64: kill flush_cache_all()") removed
soft_reset() from the kernel. This was the only caller of
setup_mm_for_reboot(), so remove that also.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Mark Salter 2015-07-16 18:58:53 +01:00 • committed by Will Deacon
parent cba3574fd5
commit b08d4640a3
2 changed files with 0 additions and 12 deletions
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1
arch/arm64/include/asm/mmu.h
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@ -28,7 +28,6 @@ typedef struct {
#define ASID(mm) ((mm)->context.id & 0xffff) #define ASID(mm) ((mm)->context.id & 0xffff)
extern void paging_init(void); extern void paging_init(void);
extern void setup_mm_for_reboot(void);
extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt); extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
extern void init_mem_pgprot(void); extern void init_mem_pgprot(void);
extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys, extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,

11
arch/arm64/mm/mmu.c
View file

@ -460,17 +460,6 @@ void __init paging_init(void)
cpu_set_default_tcr_t0sz(); cpu_set_default_tcr_t0sz();
} }
/*
* Enable the identity mapping to allow the MMU disabling.
*/
void setup_mm_for_reboot(void)
{
cpu_set_reserved_ttbr0();
flush_tlb_all();
cpu_set_idmap_tcr_t0sz();
cpu_switch_mm(idmap_pg_dir, &init_mm);
}
/* /*
* Check whether a kernel address is valid (derived from arch/x86/). * Check whether a kernel address is valid (derived from arch/x86/).
*/ */