From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: 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,
linux-mm@kvack.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>,
Russell King <rmk@arm.linux.org.uk>,
Chris Metcalf <cmetcalf@tilera.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Chris Zankel <chris@zankel.net>
Subject: [RFC][PATCH 15/15] mm, xtensa: Convert xtensa to generic tlb
Date: Mon, 07 Mar 2011 18:14:05 +0100 [thread overview]
Message-ID: <20110307172207.513560565@chello.nl> (raw)
In-Reply-To: <20110307171350.989666626@chello.nl>
[-- Attachment #1: xtensa-mmu_range.patch --]
[-- Type: text/plain, Size: 1915 bytes --]
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/xtensa/Kconfig | 1 +
arch/xtensa/include/asm/tlb.h | 23 -----------------------
2 files changed, 1 insertion(+), 23 deletions(-)
Index: linux-2.6/arch/xtensa/Kconfig
===================================================================
--- linux-2.6.orig/arch/xtensa/Kconfig
+++ linux-2.6/arch/xtensa/Kconfig
@@ -7,6 +7,7 @@ config ZONE_DMA
config XTENSA
def_bool y
select HAVE_IDE
+ select HAVE_MMU_GATHER_RANGE
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
Index: linux-2.6/arch/xtensa/include/asm/tlb.h
===================================================================
--- linux-2.6.orig/arch/xtensa/include/asm/tlb.h
+++ linux-2.6/arch/xtensa/include/asm/tlb.h
@@ -14,29 +14,6 @@
#include <asm/cache.h>
#include <asm/page.h>
-#if (DCACHE_WAY_SIZE <= PAGE_SIZE)
-
-/* Note, read http://lkml.org/lkml/2004/1/15/6 */
-
-# define tlb_start_vma(tlb,vma) do { } while (0)
-# define tlb_end_vma(tlb,vma) do { } while (0)
-
-#else
-
-# define tlb_start_vma(tlb, vma) \
- do { \
- if (!tlb->fullmm) \
- flush_cache_range(vma, vma->vm_start, vma->vm_end); \
- } while(0)
-
-# define tlb_end_vma(tlb, vma) \
- do { \
- if (!tlb->fullmm) \
- flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
- } while(0)
-
-#endif
-
#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0)
#include <asm-generic/tlb.h>
--
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prev parent reply other threads:[~2011-03-07 17:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-07 17:13 [RFC][PATCH 00/15] Unify TLB gather implementations -v2 Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 01/15] mm, powerpc: Dont use tlb_flush for external tlb flushes Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 02/15] mm, sparc64: " Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 03/15] mm, arch: Remove tlb_flush() Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 04/15] mm: Optimize fullmm TLB flushing Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 05/15] mm, tile: Change flush_tlb_range() VM_HUGETLB semantics Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 06/15] mm: Provide generic range tracking and flushing Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 07/15] mm, arm: Convert arm to generic tlb Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 08/15] mm, ia64: Convert ia64 " Peter Zijlstra
2011-03-07 17:13 ` [RFC][PATCH 09/15] mm, sh: Convert sh " Peter Zijlstra
2011-03-07 17:14 ` [RFC][PATCH 10/15] mm, um, Convert um " Peter Zijlstra
2011-03-07 17:14 ` [RFC][PATCH 11/15] mm, avr32: Convert avr32 " Peter Zijlstra
2011-03-07 17:14 ` [RFC][PATCH 12/15] mm, mips: Convert mips " Peter Zijlstra
2011-03-07 17:14 ` [RFC][PATCH 13/15] mm, parisc: Convert parisc " Peter Zijlstra
2011-03-07 17:14 ` [RFC][PATCH 14/15] mm, sparc32: Convert sparc32 " Peter Zijlstra
2011-03-07 17:54 ` Peter Zijlstra
2011-03-07 17:14 ` Peter Zijlstra [this message]
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