From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andrea Arcangeli <aarcange@redhat.com>,
Avi Kivity <avi@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
akpm@linux-fou
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
David Miller <davem@davemloft.net>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Yanmin Zhang <yanmin_zhang@linux.intel.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Russell King <rmk@arm.linux.org.uk>
Subject: [PATCH 11/20] arm: Preemptible mmu_gather
Date: Mon, 18 Oct 2010 13:24:44 +0200 [thread overview]
Message-ID: <20101018112950.858321201@chello.nl> (raw)
In-Reply-To: 20101018112433.556591568@chello.nl
[-- Attachment #1: mm-preempt-tlb-gather-arm.patch --]
[-- Type: text/plain, Size: 1109 bytes --]
Fix up the arm mmu_gahter code to conform to the new API.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/arm/include/asm/tlb.h | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
Index: linux-2.6/arch/arm/include/asm/tlb.h
===================================================================
--- linux-2.6.orig/arch/arm/include/asm/tlb.h
+++ linux-2.6/arch/arm/include/asm/tlb.h
@@ -40,17 +40,11 @@ struct mmu_gather {
unsigned long range_end;
};
-DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
-
-static inline struct mmu_gather *
-tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
+static inline void
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
{
- struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);
-
tlb->mm = mm;
tlb->fullmm = full_mm_flush;
-
- return tlb;
}
static inline void
@@ -61,8 +55,6 @@ tlb_finish_mmu(struct mmu_gather *tlb, u
/* keep the page table cache within bounds */
check_pgt_cache();
-
- put_cpu_var(mmu_gathers);
}
/*
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andrea Arcangeli <aarcange@redhat.com>,
Avi Kivity <avi@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
akpm@linux-foundation.org,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
David Miller <davem@davemloft.net>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Yanmin Zhang <yanmin_zhang@linux.intel.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Russell King <rmk@arm.linux.org.uk>
Subject: [PATCH 11/20] arm: Preemptible mmu_gather
Date: Mon, 18 Oct 2010 13:24:44 +0200 [thread overview]
Message-ID: <20101018112950.858321201@chello.nl> (raw)
Message-ID: <20101018112444.o9AXd5HJb0RCExFB5mnupd-CQyqaZEro1i8nzWchs1Q@z> (raw)
In-Reply-To: 20101018112433.556591568@chello.nl
[-- Attachment #1: mm-preempt-tlb-gather-arm.patch --]
[-- Type: text/plain, Size: 1111 bytes --]
Fix up the arm mmu_gahter code to conform to the new API.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/arm/include/asm/tlb.h | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
Index: linux-2.6/arch/arm/include/asm/tlb.h
===================================================================
--- linux-2.6.orig/arch/arm/include/asm/tlb.h
+++ linux-2.6/arch/arm/include/asm/tlb.h
@@ -40,17 +40,11 @@ struct mmu_gather {
unsigned long range_end;
};
-DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
-
-static inline struct mmu_gather *
-tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
+static inline void
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
{
- struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);
-
tlb->mm = mm;
tlb->fullmm = full_mm_flush;
-
- return tlb;
}
static inline void
@@ -61,8 +55,6 @@ tlb_finish_mmu(struct mmu_gather *tlb, u
/* keep the page table cache within bounds */
check_pgt_cache();
-
- put_cpu_var(mmu_gathers);
}
/*
next prev parent reply other threads:[~2010-10-18 11:24 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-18 11:24 [PATCH 00/20] mm: Preemptibility -v5 Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 01/20] powerpc: Use call_rcu_sched() for pagetables Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 02/20] mm: Improve page_lock_anon_vma() comment Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 03/20] mm: Rename drop_anon_vma to put_anon_vma Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 04/20] mm: Move anon_vma ref out from under CONFIG_KSM Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 05/20] mm: Simplify anon_vma refcounts Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 06/20] mm: Use refcounts for page_lock_anon_vma() Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 07/20] mm: Preemptible mmu_gather Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 08/20] powerpc: " Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 09/20] sparc: " Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 10/20] s390: preemptible mmu_gather Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra [this message]
2010-10-18 11:24 ` [PATCH 11/20] arm: Preemptible mmu_gather Peter Zijlstra
2010-10-18 11:24 ` [PATCH 12/20] sh: " Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 13/20] um: " Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 14/20] ia64: " Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 15/20] mm, powerpc: Move the RCU page-table freeing into generic code Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 16/20] lockdep, mutex: Provide mutex_lock_nest_lock Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 17/20] mutex: Provide mutex_is_contended Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 18/20] mm: Convert i_mmap_lock and anon_vma->lock to mutexes Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 19/20] mm: Extended batches for generic mmu_gather Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 11:24 ` [PATCH 20/20] mm: Optimize page_lock_anon_vma() fast-path Peter Zijlstra
2010-10-18 11:24 ` Peter Zijlstra
2010-10-18 14:55 ` [PATCH 00/20] mm: Preemptibility -v5 Stephen Rothwell
-- strict thread matches above, loose matches on Subject: below --
2010-08-28 14:16 [PATCH 00/20] mm: Preemptibility -v4 Peter Zijlstra
2010-08-28 14:16 ` [PATCH 11/20] arm: Preemptible mmu_gather Peter Zijlstra
2010-08-28 14:16 ` Peter Zijlstra
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