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From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	Anton Vorontsov <anton.vorontsov@linaro.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] powerpc/64s: fix for CPU hotplug vs mm_cpumask bug
Date: Fri, 20 Nov 2020 12:57:55 +1000	[thread overview]
Message-ID: <20201120025757.325930-1-npiggin@gmail.com> (raw)

This fixes a race in powerpc mm_cpumask code, I hope the core kernel
patch looks okay and we could take it through the powerpc tree with
an ack from someone (Peter or Thomas, perhaps?)

Thanks,
Nick

Nicholas Piggin (2):
  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/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 +++++-
 6 files changed, 45 insertions(+), 1 deletion(-)

-- 
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
	Anton Vorontsov <anton.vorontsov@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 0/2] powerpc/64s: fix for CPU hotplug vs mm_cpumask bug
Date: Fri, 20 Nov 2020 12:57:55 +1000	[thread overview]
Message-ID: <20201120025757.325930-1-npiggin@gmail.com> (raw)

This fixes a race in powerpc mm_cpumask code, I hope the core kernel
patch looks okay and we could take it through the powerpc tree with
an ack from someone (Peter or Thomas, perhaps?)

Thanks,
Nick

Nicholas Piggin (2):
  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/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 +++++-
 6 files changed, 45 insertions(+), 1 deletion(-)

-- 
2.23.0


             reply	other threads:[~2020-11-20  2:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-20  2:57 Nicholas Piggin [this message]
2020-11-20  2:57 ` [PATCH 0/2] powerpc/64s: fix for CPU hotplug vs mm_cpumask bug Nicholas Piggin
2020-11-20  2:57 ` [PATCH 1/2] kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling Nicholas Piggin
2020-11-20  2:57   ` Nicholas Piggin
2020-11-20 10:06   ` Peter Zijlstra
2020-11-20 10:06     ` Peter Zijlstra
2020-11-20  2:57 ` [PATCH 2/2] powerpc/64s: Trim offlined CPUs from mm_cpumasks Nicholas Piggin
2020-11-20  2:57   ` Nicholas Piggin
2020-12-10  9:06   ` Geert Uytterhoeven
2020-12-10  9:06     ` Geert Uytterhoeven
2020-12-14  4:15     ` Nicholas Piggin
2020-12-14  4:15       ` Nicholas Piggin
2020-12-14 10:43       ` Michael Ellerman
2020-12-14 10:43         ` Michael Ellerman
2020-12-14 11:04         ` Nicholas Piggin
2020-12-14 11:04           ` Nicholas Piggin
2020-12-15 10:33           ` Michael Ellerman
2020-12-15 10:33             ` Michael Ellerman

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