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

From: Alexandre Ghiti
Date: Tue May 07 2024 - 01:35:32 EST


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@xxxxxxxxxxxx>
---
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@xxxxxxxxxxxx>

Thanks,

Alex