From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E8F03009F2 for ; Tue, 18 Aug 2026 15:22:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787066529; cv=none; b=TnEwMER9+3lbbgrjPIbDFjYl5DXUEAZXIVjnOwefalzJb372KfkzOhUmP0e2YPG+wmOUGPe2fyb2TjzaDK7c1ifafOGelAvt8yPFY5Rie9psSaw8wI1JAPX1uWlt2yONrM5TACbNSYNIf5eQViUNjBa6DRmbsKLCUB3qcJMsAUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787066529; c=relaxed/simple; bh=VZRNnD820ASsYGW5SK2BKDk2xeWP6njdcRepezgjPKk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ZGI5B9kBE62Lb8FkgSNx6Ts6+ChQ3GZH0V+hx/+/MASe005ZlQVAAXOZcSUzZlsMtDx/+tc7VN2nKe1648ju7pt9NAogyiK5yeNUj7UZVN5+VISC3lDyN3r4nrnsyBuIclidLqX+jzoMTUl/1uo206fqXYetZQpLLUcUsmDr8Cc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jHbhah3s; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jHbhah3s" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787066528; x=1818602528; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=VZRNnD820ASsYGW5SK2BKDk2xeWP6njdcRepezgjPKk=; b=jHbhah3sz25lac/KQVs3RmceYcKGvSSHwNK875dndXounqYu/7MZjG7g anrgmcUnJyeAOGkZBGQYUDaU+BTLwLDoz5vGgNQpyizitl7oVcF6H3GrZ pmpfS8NJSTkBtxCoxfs+UnoDI6Z0ZXrW2BDT/kHyoYodxEdLuzFibcZdi pa2ImMZXxpQPaGDDt98RBCnZUad+f293jeQrE61CF3dRBOlUr5/myPieg TX2AEtgHQbVwJHwD2f9HLybPKjQwVBR6YW8ct7oj7KR1/y1fMll4hdHOI 3kM87HgJXvCz0cnkuOUS9Lg/yGK6q6vEKu7gMhCu17X7kgGGKYI5hWrS/ w==; X-CSE-ConnectionGUID: 25mgZlFqTHaFE/rk16fr7A== X-CSE-MsgGUID: q2fL1aIMToOEQFgbXRlU6A== X-IronPort-AV: E=McAfee;i="6800,10657,11879"; a="98229076" X-IronPort-AV: E=Sophos;i="6.25,230,1779174000"; d="scan'208";a="98229076" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2026 08:22:07 -0700 X-CSE-ConnectionGUID: CxzuOmYAQcOqkCGHLi2eiQ== X-CSE-MsgGUID: mocu42adSp+shanT1xiViw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,230,1779174000"; d="scan'208";a="290054606" Received: from smtp.ostc.intel.com ([10.54.29.231]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2026 08:22:08 -0700 Received: from ray2.sr71.net (unknown [10.125.111.192]) by smtp.ostc.intel.com (Postfix) with ESMTP id 7333B5E90; Tue, 18 Aug 2026 08:22:07 -0700 (PDT) From: Dave Hansen To: torvalds@linux-foundation.org Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Dave Hansen Subject: [GIT PULL] x86/mm for 7.3-rc1 Date: Tue, 18 Aug 2026 08:25:03 -0700 Message-ID: <20260818152503.2822211-1-dave.hansen@linux.intel.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Linus, Please pull some x86/mm changes for 7.3-rc1. There are two things in here of note. First, there are fixes to reduce the time that the TLB flushing code sits around with interrupts disabled. It should be well tested, but it's certainly something to keep an eye on. Second is a little back-and-forth in the interactions between the set_memory*() locking and DEBUG_PAGEALLOC. There was a slightly painful re-discovery of why DEBUG_PAGEALLOC has special locking rules, but the code did end up better for it. -- The following changes since commit 8cdeaa50eae8dad34885515f62559ee83e7e8dda: Linux 7.2-rc2 (2026-07-05 14:44:06 -1000) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_mm_for_7.3-rc1 for you to fetch changes up to dee87e09b0dd63da9b1e1876167ccae37842dfd0: x86/pkeys: Fix pkey_alloc() return value when pkeys are not supported (2026-08-13 10:18:58 -0700) ---------------------------------------------------------------- * Fix pkey_alloc() return value when pkeys are not supported * Allow preemption during IPI completion waiting to improve wakeup latency * Convert more x86 page table code to ptdescs * Fixes and cleanups for set_memory*() locking, mostly around large pages ---------------------------------------------------------------- Bijan Tabatabai (1): x86/pkeys: Fix pkey_alloc() return value when pkeys are not supported Chuyi Zhou (5): x86/mm: Factor out flush_tlb_info initialization x86/mm: Cap flush_tlb_info alignment at 64 bytes x86/mm: Move flush_tlb_info back to the stack x86/kvm: Disable preemption in kvm_flush_tlb_multi() x86/mm: Re-enable preemption before flush_tlb_multi() Denis V. Lunev (1): x86/mm/pat: Take cpa_lock around large-page collapse Mike Rapoport (Microsoft) (1): x86/mm/pat: Don't gate cpa_lock on debug_pagealloc_enabled() Peter Zijlstra (3): x86/mm: Use guard() in cpa_collapse_large_pages() x86/mm: Use guard() for pgd_lock x86/mm: Fix and document DEBUG_PAGEALLOC Vishal Moola (9): x86/mm/pat: Use IS_ENABLED() instead of ifdef x86/mm/pat: Convert __set_pmd_pte() to ptdescs x86/mm/pat: Convert collapse_pmd_page() to ptdescs x86/mm: Convert arch_sync_kernel_mappings() to ptdescs x86/mm: Convert sync_global_pgds_l5() to ptdescs x86/mm: Convert sync_global_pgds_l4() to ptdescs x86/mm: Convert pgd_page_get_mm() to ptdescs x86/xen: Convert xen_mm_pin_all() to ptdescs x86/xen: Convert xen_mm_unpin_all() to ptdescs arch/x86/include/asm/pgtable.h | 2 +- arch/x86/include/asm/pgtable_types.h | 2 +- arch/x86/include/asm/pkeys.h | 3 + arch/x86/include/asm/tlbflush.h | 9 ++- arch/x86/kernel/kvm.c | 4 +- arch/x86/mm/fault.c | 8 +- arch/x86/mm/init_64.c | 16 ++-- arch/x86/mm/pat/set_memory.c | 148 ++++++++++++++++++++--------------- arch/x86/mm/pgtable.c | 4 +- arch/x86/mm/tlb.c | 98 +++++++++-------------- arch/x86/xen/mmu_pv.c | 22 +++--- 11 files changed, 162 insertions(+), 154 deletions(-)