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Message-Id: <20161217.220700.50846773009762926.davem@davemloft.net>
Date: Sat, 17 Dec 2016 22:07:00 -0500 (EST)
From: David Miller <davem@...emloft.net>
To: mike.kravetz@...cle.com
Cc: sparclinux@...r.kernel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, bob.picco@...cle.com,
nitin.m.gupta@...cle.com, vijay.ac.kumar@...cle.com,
julian.calaby@...il.com, adam.buchbinder@...il.com,
kirill.shutemov@...ux.intel.com, mhocko@...e.com,
akpm@...ux-foundation.org
Subject: Re: [RFC PATCH 03/14] sparc64: routines for basic mmu shared
context structure management
From: Mike Kravetz <mike.kravetz@...cle.com>
Date: Fri, 16 Dec 2016 10:35:26 -0800
> +void smp_flush_shared_tlb_mm(struct mm_struct *mm)
> +{
> + u32 ctx = SHARED_CTX_HWBITS(mm->context);
> +
> + (void)get_cpu(); /* prevent preemption */
preempt_disable();
> +
> + smp_cross_call(&xcall_flush_tlb_mm, ctx, 0, 0);
> + __flush_tlb_mm(ctx, SECONDARY_CONTEXT);
> +
> + put_cpu();
preempt_enable();
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