[v2] Add update_mmu_tlb_range() to simplify code

[PATCH v2 3/5] riscv: Add update_mmu_tlb_range()

Posted by Bang Li 1 year, 7 months ago

Added update_mmu_tlb_range function, we can batch update tlb of an
address range.

Signed-off-by: Bang Li <libang.li@antgroup.com>
---
 arch/riscv/include/asm/pgtable.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 661b2b4fe758..f784c6dd2c66 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -489,6 +489,10 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
 #define __HAVE_ARCH_UPDATE_MMU_TLB
 #define update_mmu_tlb update_mmu_cache
 
+#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
+#define update_mmu_tlb_range(vma, addr, ptep, nr) \
+	update_mmu_cache_range(NULL, vma, addr, ptep, nr)
+
 static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 		unsigned long address, pmd_t *pmdp)
 {
-- 
2.19.1.6.gb485710b

Re: [PATCH v2 3/5] riscv: Add update_mmu_tlb_range()

Posted by Alexandre Ghiti 1 year, 7 months ago

Hi Bang,

On 06/05/2024 17:51, Bang Li wrote:
> Added update_mmu_tlb_range function, we can batch update tlb of an
> address range.
>
> Signed-off-by: Bang Li <libang.li@antgroup.com>
> ---
>   arch/riscv/include/asm/pgtable.h | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
> index 661b2b4fe758..f784c6dd2c66 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -489,6 +489,10 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
>   #define __HAVE_ARCH_UPDATE_MMU_TLB
>   #define update_mmu_tlb update_mmu_cache
>   
> +#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
> +#define update_mmu_tlb_range(vma, addr, ptep, nr) \
> +	update_mmu_cache_range(NULL, vma, addr, ptep, nr)
> +
>   static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
>   		unsigned long address, pmd_t *pmdp)
>   {


You can add:

Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>

Thanks,

Alex

Re: [PATCH v2 3/5] riscv: Add update_mmu_tlb_range()

Posted by Bang Li 1 year, 7 months ago

Thanks, Alex!

On 2024/5/7 13:35, Alexandre Ghiti wrote:
> Hi Bang,
> 
> On 06/05/2024 17:51, Bang Li wrote:
>> Added update_mmu_tlb_range function, we can batch update tlb of an
>> address range.
>>
>> Signed-off-by: Bang Li <libang.li@antgroup.com>
>> ---
>>   arch/riscv/include/asm/pgtable.h | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/riscv/include/asm/pgtable.h 
>> b/arch/riscv/include/asm/pgtable.h
>> index 661b2b4fe758..f784c6dd2c66 100644
>> --- a/arch/riscv/include/asm/pgtable.h
>> +++ b/arch/riscv/include/asm/pgtable.h
>> @@ -489,6 +489,10 @@ static inline void update_mmu_cache_range(struct 
>> vm_fault *vmf,
>>   #define __HAVE_ARCH_UPDATE_MMU_TLB
>>   #define update_mmu_tlb update_mmu_cache
>> +#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
>> +#define update_mmu_tlb_range(vma, addr, ptep, nr) \
>> +    update_mmu_cache_range(NULL, vma, addr, ptep, nr)
>> +
>>   static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
>>           unsigned long address, pmd_t *pmdp)
>>   {
> 
> 
> You can add:
> 
> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
> 
> Thanks,
> 
> Alex

[PATCH v2 1/5] LoongArch: Add update_mmu_tlb_range()
[PATCH v2 2/5] mips: Add update_mmu_tlb_range()
[PATCH v2 3/5] riscv: Add update_mmu_tlb_range()
[PATCH v2 4/5] xtensa: Add update_mmu_tlb_range()