From: Nicholas Piggin <npiggin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-mm@kvack.org, Anton Blanchard <anton@ozlabs.org>,
Andy Lutomirski <luto@kernel.org>
Subject: [PATCH v2 4/5] powerpc: use lazy mm refcount helper functions
Date: Mon, 14 Dec 2020 16:53:11 +1000 [thread overview]
Message-ID: <20201214065312.270062-5-npiggin@gmail.com> (raw)
In-Reply-To: <20201214065312.270062-1-npiggin@gmail.com>
Use _lazy_tlb functions for lazy mm refcounting in powerpc, to prepare
to move to MMU_LAZY_TLB_SHOOTDOWN.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8c2857cbd960..93c0eaa6f4bf 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1395,7 +1395,7 @@ void start_secondary(void *unused)
{
unsigned int cpu = raw_smp_processor_id();
- mmgrab(&init_mm);
+ mmgrab_lazy_tlb(&init_mm);
current->active_mm = &init_mm;
smp_store_cpu_info(cpu);
--
2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: linux-arch@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
linux-mm@kvack.org, Andy Lutomirski <luto@kernel.org>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v2 4/5] powerpc: use lazy mm refcount helper functions
Date: Mon, 14 Dec 2020 16:53:11 +1000 [thread overview]
Message-ID: <20201214065312.270062-5-npiggin@gmail.com> (raw)
In-Reply-To: <20201214065312.270062-1-npiggin@gmail.com>
Use _lazy_tlb functions for lazy mm refcounting in powerpc, to prepare
to move to MMU_LAZY_TLB_SHOOTDOWN.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8c2857cbd960..93c0eaa6f4bf 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1395,7 +1395,7 @@ void start_secondary(void *unused)
{
unsigned int cpu = raw_smp_processor_id();
- mmgrab(&init_mm);
+ mmgrab_lazy_tlb(&init_mm);
current->active_mm = &init_mm;
smp_store_cpu_info(cpu);
--
2.23.0
next prev parent reply other threads:[~2020-12-14 7:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 6:53 [PATCH v2 0/5] shoot lazy tlbs Nicholas Piggin
2020-12-14 6:53 ` Nicholas Piggin
2020-12-14 6:53 ` [PATCH v2 1/5] lazy tlb: introduce lazy mm refcount helper functions Nicholas Piggin
2020-12-14 6:53 ` Nicholas Piggin
2020-12-14 6:53 ` [PATCH v2 2/5] lazy tlb: allow lazy tlb mm switching to be configurable Nicholas Piggin
2020-12-14 6:53 ` Nicholas Piggin
2020-12-14 6:53 ` [PATCH v2 3/5] lazy tlb: shoot lazies, a non-refcounting lazy tlb option Nicholas Piggin
2020-12-14 6:53 ` Nicholas Piggin
2020-12-14 7:04 ` Randy Dunlap
2020-12-14 7:04 ` Randy Dunlap
2020-12-14 6:53 ` Nicholas Piggin [this message]
2020-12-14 6:53 ` [PATCH v2 4/5] powerpc: use lazy mm refcount helper functions Nicholas Piggin
2020-12-14 6:53 ` [PATCH v2 5/5] powerpc/64s: enable MMU_LAZY_TLB_SHOOTDOWN Nicholas Piggin
2020-12-14 6:53 ` Nicholas Piggin
2021-02-04 8:21 ` [PATCH v2 0/5] shoot lazy tlbs Nicholas Piggin
2021-02-04 8:21 ` Nicholas Piggin
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