From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49csB6WQGC22rLaQ/5XApn0zwbHibe8RGr4xmX4xP+hDfPc6+AHbnDXQz+zcbDGbjOyGLTL ARC-Seal: i=1; a=rsa-sha256; t=1522742462; cv=none; d=google.com; s=arc-20160816; b=u72EEvCH2a//YmKYyOYxdLtknQs8iRBNVXQdMPzgvU7tIZNwbAFALQ57gbLNIlWcXF +jeUyWgClFwV3BcRS/7fFZ+64CNhiS40hdMcasoT5Kg1pKjyS1wrd594x7FQcmtbsgX0 P3L3GDuZ5Oos4sc+QStEFHxDzJVOSBnCz4no/Jl7zzEoLriqrVBtOTfCdL3QwN3nI2/O 5iAIDDxyzSH4I61bd57V14XVcmZnRoVfkjPyT5rkJySL1KZ5DuTC0FIf5WjhxyAuq/6d vTn+C/plq2qIazFYc7+elmEdL7umUDbBBezG2x+3nKQw7mtUogcWWUsdZi1Doh5FwaEG GSIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:subject:cc:to:from:dmarc-filter:dkim-signature :dkim-signature:arc-authentication-results; bh=izlosYSX2Z2ixUlImOJkArGmhuf2QgixllKKuHJ8PWE=; b=XVgkXf7jDjetv1aF4d9OLTpbuZ2NEISuowYBsITpDmtcLLEPKe0hvMipiaaagrEy6X vuIxzI9k9RNDe6th8Vdz2TTKtpa8U0L9kft9foPjmKTS4YpkMImdySR9agcH/dt1mQ0P cr3jJ/ZrBEPI4Kw6zNme+He0xm6cwoPGOGkLH6ayELfRm7UTze2i+5Wv2PucyIGUIuA1 9Lh+6qXGJBv0zd0dBFur0dP+yWR3ZZy2wCqSUtZW05+kOhtNIUNXhtifFQ++H3UukLkO ZODXbkRSrb9DWnfygaVm6rd50OYnkuPxFwK5eb2bZPG5/1pxc5nXGkZrorz+UUCBX3Oe iF/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=NTIz6mIW; dkim=pass header.i=@codeaurora.org header.s=default header.b=WoPF3OXs; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=NTIz6mIW; dkim=pass header.i=@codeaurora.org header.s=default header.b=WoPF3OXs; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C14A6602B7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cpandya@codeaurora.org From: Chintan Pandya 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 Subject: [PATCH v8 0/4] Fix issues with huge mapping in ioremap for ARM64 Date: Tue, 3 Apr 2018 13:30:42 +0530 Message-Id: <1522742446-5084-1-git-send-email-cpandya@codeaurora.org> X-Mailer: git-send-email 1.9.1 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1596711199968894044?= X-GMAIL-MSGID: =?utf-8?q?1596711199968894044?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 (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(-) -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project