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[193.116.103.132]) by smtp.gmail.com with ESMTPSA id h7sm4338134pgr.33.2020.11.26.02.25.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Nov 2020 02:25:37 -0800 (PST) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 0/4] powerpc/64s: Fix for radix TLB invalidation bug Date: Thu, 26 Nov 2020 20:25:26 +1000 Message-Id: <20201126102530.691335-1-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Aneesh Kumar K.V" , Paul Mackerras , Nicholas Piggin , Milton Miller Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This fixes a tricky bug that was noticed by TLB multi-hits in a guest stress testing CPU hotplug, but TLB invalidation means any kind of data corruption is possible. Thanks, Nick Nicholas Piggin (4): powerpc/64s: Fix hash ISA v3.0 TLBIEL instruction generation powerpc/64s/pseries: Fix hash tlbiel_all_isa300 for guest kernels kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling powerpc/64s: Trim offlined CPUs from mm_cpumasks arch/powerpc/include/asm/book3s/64/mmu.h | 12 ++++++++++ arch/powerpc/mm/book3s64/hash_native.c | 23 +++++++++++++------- arch/powerpc/mm/book3s64/mmu_context.c | 20 +++++++++++++++++ arch/powerpc/platforms/powermac/smp.c | 2 ++ arch/powerpc/platforms/powernv/smp.c | 3 +++ arch/powerpc/platforms/pseries/hotplug-cpu.c | 3 +++ kernel/cpu.c | 6 ++++- 7 files changed, 60 insertions(+), 9 deletions(-) -- 2.23.0