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| author | Laura Abbott <labbott@redhat.com> | 2017-01-10 13:35:49 -0800 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-12 15:05:39 +0000 |
| commit | 2077be6783b5936c3daa838d8addbb635667927f (patch) | |
| tree | 526ea6e3de1efd03f44aafabeabd4a689af0acd2 /arch/arm64/include/asm/mmu_context.h | |
| parent | 869dcfd10dfe59484cf14acddf264656d5ee94ea (diff) | |
| download | lwn-2077be6783b5936c3daa838d8addbb635667927f.tar.gz lwn-2077be6783b5936c3daa838d8addbb635667927f.zip | |
arm64: Use __pa_symbol for kernel symbols
__pa_symbol is technically the marcro that should be used for kernel
symbols. Switch to this as a pre-requisite for DEBUG_VIRTUAL which
will do bounds checking.
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/mmu_context.h')
| -rw-r--r-- | arch/arm64/include/asm/mmu_context.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index 0363fe80455c..63e9982daca1 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -45,7 +45,7 @@ static inline void contextidr_thread_switch(struct task_struct *next) */ static inline void cpu_set_reserved_ttbr0(void) { - unsigned long ttbr = virt_to_phys(empty_zero_page); + unsigned long ttbr = __pa_symbol(empty_zero_page); write_sysreg(ttbr, ttbr0_el1); isb(); @@ -114,7 +114,7 @@ static inline void cpu_install_idmap(void) local_flush_tlb_all(); cpu_set_idmap_tcr_t0sz(); - cpu_switch_mm(idmap_pg_dir, &init_mm); + cpu_switch_mm(lm_alias(idmap_pg_dir), &init_mm); } /* @@ -129,7 +129,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgd) phys_addr_t pgd_phys = virt_to_phys(pgd); - replace_phys = (void *)virt_to_phys(idmap_cpu_replace_ttbr1); + replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1); cpu_install_idmap(); replace_phys(pgd_phys); |