Messages in this thread | | | Subject | Re: [PATCH v8 0/4] Fix issues with huge mapping in ioremap for ARM64 | From | Chintan Pandya <> | Date | Tue, 17 Apr 2018 15:55:08 +0530 |
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On 4/3/2018 1:30 PM, Chintan Pandya wrote: > This series of patches are follow up work (and depends on) > Toshi Kani <toshi.kani@hpe.com>'s patches "fix memory leak/ > panic in ioremap huge pages". > > This series of patches are tested on 4.9 kernel with Cortex-A75 > based SoC. > > These patches can also go into '-stable' branch (if accepted) > for 4.6 onwards. > > From V7->V8: > - Properly fixed compilation issue in x86 file > > From V6->V7: > - Fixed compilation issue in x86 case > - V6 patches were not properly enumarated > > From V5->V6: > - Use __flush_tlb_kernel_pgtable() for both PUD and PMD. Remove > "bool tlb_inv" based variance as it is not need now > - Re-naming for consistency > > From V4->V5: > - Add new API __flush_tlb_kernel_pgtable(unsigned long addr) > for kernel addresses > > From V3->V4: > - Add header for 'addr' in x86 implementation > - Re-order pmd/pud clear and table free > - Avoid redundant TLB invalidatation in one perticular case > > From V2->V3: > - Use the exisiting page table free interface to do arm64 > specific things > > From V1->V2: > - Rebased my patches on top of "[PATCH v2 1/2] mm/vmalloc: > Add interfaces to free unmapped page table" > - Honored BBM for ARM64 > > Chintan Pandya (4): > ioremap: Update pgtable free interfaces with addr > arm64: tlbflush: Introduce __flush_tlb_kernel_pgtable > arm64: Implement page table free interfaces > Revert "arm64: Enforce BBM for huge IO/VMAP mappings" > > arch/arm64/include/asm/tlbflush.h | 6 ++++++ > arch/arm64/mm/mmu.c | 37 +++++++++++++++++++++++++------------ > arch/x86/mm/pgtable.c | 8 +++++--- > include/asm-generic/pgtable.h | 8 ++++---- > lib/ioremap.c | 4 ++-- > 5 files changed, 42 insertions(+), 21 deletions(-) >
Chintan -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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