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From: Nicholas Piggin <npiggin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Nicholas Piggin <npiggin@gmail.com>, x86@kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Arnd Bergmann <arnd@arndb.de>,
Peter Zijlstra <peterz@infradead.org>,
linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-mm@kvack.org, Anton Blanchard <anton@ozlabs.org>
Subject: [PATCH 7/8] powerpc: use lazy mm refcount helper functions
Date: Sun, 29 Nov 2020 02:01:40 +1000
Message-Id: <20201128160141.1003903-8-npiggin@gmail.com>
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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);
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(-)