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f7a89f1b8e
linux_dsm_epyc7002/arch/mips/mm
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Davidlohr Bueso f7a89f1b8e MIPS: Call find_vma with the mmap_sem held 
Performing vma lookups without taking the mm->mmap_sem is asking
for trouble. While doing the search, the vma in question can be
modified or even removed before returning to the caller. Take the
lock (exclusively) in order to avoid races while iterating through
the vmacache and/or rbtree.

Updates two functions:
  - process_fpemu_return()
  - cteon_flush_cache_sigtramp()

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Tested-by: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Cc: akpm@linux-foundation.org
Cc: zeus@gnu.org
Cc: aswin@hp.com
Cc: davidlohr@hp.com
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/6811/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-06-03 22:19:09 +02:00
..
c-octeon.c MIPS: Call find_vma with the mmap_sem held 2014-06-03 22:19:09 +02:00
c-r3k.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
c-r4k.c MIPS: Loongson: Add basic Loongson-3 CPU support 2014-03-31 18:17:12 +02:00
c-tx39.c MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
cache.c mips: export flush_icache_range 2014-04-18 16:40:09 -07:00
cerr-sb1.c MIPS: Sibyte: Fix build for SIBYTE_BW_TRACE on BCM1x55 and BCM1x80. 2013-06-21 18:07:02 +02:00
cex-gen.S MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
cex-oct.S MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
cex-sb1.S mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
dma-default.c MIPS: improve checks for noncoherent DMA 2014-01-22 20:43:10 +01:00
extable.c MIPS: Eleminate filenames from comments 2009-08-03 17:52:40 +01:00
fault.c arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
gup.c MIPS: Fix get_user_page_fast() for mips with cache alias 2013-08-26 15:26:48 +02:00
highmem.c MIPS: Highmem: Fix build error if CONFIG_DEBUG_HIGHMEM is disabled 2012-12-13 18:15:27 +01:00
hugetlbpage.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
init.c MIPS: mm: init: Add free_init_pages() callback for EVA 2014-03-26 23:09:18 +01:00
ioremap.c MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
Makefile MIPS: Move generated code to .text for microMIPS 2013-07-01 15:10:56 +02:00
mmap.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
page-funcs.S MIPS: Refactor 'clear_page' and 'copy_page' functions. 2012-07-19 11:23:43 +02:00
page.c MIPS: R46000: Fix Micro-assembler field overflow for R4600 V2 2014-05-28 11:08:14 +02:00
pgtable-32.c MIPS: Limit fixrange_init() to the FIXMAP region 2011-07-25 17:26:54 +01:00
pgtable-64.c MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sc-ip22.c MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
sc-mips.c MIPS: Add cases for CPU_P5600 2014-03-26 23:09:11 +01:00
sc-r5k.c MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
sc-rm7k.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
tlb-funcs.S MIPS: mm: Fix broken microMIPS kernel regression. 2014-05-14 18:11:06 +02:00
tlb-r3k.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
tlb-r4k.c MIPS: Loongson: Add basic Loongson-3 CPU support 2014-03-31 18:17:12 +02:00
tlb-r8k.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
tlbex-fault.S MIPS: Don't include <asm/page.h> unnecessarily. 2012-12-28 17:04:04 +01:00
tlbex.c MIPS: mm: Fix broken microMIPS kernel regression. 2014-05-14 18:11:06 +02:00
uasm-micromips.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
uasm-mips.c mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
uasm.c MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00