From: Yosry Ahmed <yosryahmed@google.com>
To: x86@kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Yosry Ahmed <yosryahmed@google.com>
Subject: [RESEND PATCH v3 0/3] x86/mm: LAM fixups and cleanups
Date: Tue, 2 Jul 2024 13:21:36 +0000 [thread overview]
Message-ID: <20240702132139.3332013-1-yosryahmed@google.com> (raw)
This series has fixups and cleanups for LAM. Most importantly, patch 1
fixes a sycnhronization issue that may cause crashes of userspace
applications. This is a resend of v3, rebased on top of v6.10-rc6.
v3: https://lore.kernel.org/lkml/20240418012835.3360429-1-yosryahmed@google.com/
v2: https://lore.kernel.org/lkml/20240312155641.4003683-1-yosryahmed@google.com/
v1: https://lore.kernel.org/lkml/20240312035951.3535980-1-yosryahmed@google.com/
RFC: https://lore.kernel.org/lkml/20240307133916.3782068-1-yosryahmed@google.com/
Yosry Ahmed (3):
x86/mm: Use IPIs to synchronize LAM enablement
x86/mm: Fix LAM inconsistency during context switch
x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking
arch/x86/include/asm/mmu_context.h | 8 +++++++-
arch/x86/include/asm/tlbflush.h | 9 ++++-----
arch/x86/kernel/process_64.c | 25 ++++++++++++++++---------
arch/x86/mm/tlb.c | 15 ++++++++-------
4 files changed, 35 insertions(+), 22 deletions(-)
--
2.45.2.803.g4e1b14247a-goog
next reply other threads:[~2024-07-02 13:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-02 13:21 Yosry Ahmed [this message]
2024-07-02 13:21 ` [RESEND PATCH v3 1/3] x86/mm: Use IPIs to synchronize LAM enablement Yosry Ahmed
2024-07-02 18:58 ` Borislav Petkov
2024-07-02 19:00 ` Yosry Ahmed
2024-07-02 13:21 ` [RESEND PATCH v3 2/3] x86/mm: Fix LAM inconsistency during context switch Yosry Ahmed
2024-07-02 13:21 ` [RESEND PATCH v3 3/3] x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking Yosry Ahmed
2024-07-02 17:36 ` [RESEND PATCH v3 0/3] x86/mm: LAM fixups and cleanups Andrew Morton
2024-07-02 17:39 ` Yosry Ahmed
2024-07-02 18:35 ` Andrew Morton
2024-07-02 18:38 ` Dave Hansen
2024-07-02 18:55 ` Yosry Ahmed
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