From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chintan Pandya Subject: [PATCH v5 0/4] Fix issues with huge mapping in ioremap for ARM64 Date: Tue, 27 Mar 2018 18:54:56 +0530 Message-ID: <1522157100-16879-1-git-send-email-cpandya@codeaurora.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, toshi.kani@hpe.com Cc: arnd@arndb.de, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, james.morse@arm.com, kristina.martsenko@arm.com, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, Chintan Pandya List-Id: linux-arch.vger.kernel.org This series of patches are follow up work (and depends on) Toshi Kani '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. 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" >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 arch/arm64/include/asm/tlbflush.h | 6 ++++++ arch/arm64/mm/mmu.c | 45 ++++++++++++++++++++++++++++----------- arch/x86/mm/pgtable.c | 6 ++++-- include/asm-generic/pgtable.h | 8 +++---- lib/ioremap.c | 4 ++-- 5 files changed, 49 insertions(+), 20 deletions(-) -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org ([198.145.29.96]:60610 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752348AbeC0NZS (ORCPT ); Tue, 27 Mar 2018 09:25:18 -0400 From: Chintan Pandya Subject: [PATCH v5 0/4] Fix issues with huge mapping in ioremap for ARM64 Date: Tue, 27 Mar 2018 18:54:56 +0530 Message-ID: <1522157100-16879-1-git-send-email-cpandya@codeaurora.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, toshi.kani@hpe.com Cc: arnd@arndb.de, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, james.morse@arm.com, kristina.martsenko@arm.com, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, Chintan Pandya Message-ID: <20180327132456.aW5dtKxBA7sH15klLfEGBkHnfq9JulUse9DDyr9V7N8@z> This series of patches are follow up work (and depends on) Toshi Kani '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. 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"