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linux/arch/mips/mm
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Paul Burton bbeeffec6f MIPS: mm: Pass scratch register through to iPTE_SW 
Rather than hardcode a scratch register for the XPA case in iPTE_SW,
pass one through from the work registers allocated by the caller. This
allows for the XPA path to function correctly regardless of the work
registers in use.

Without doing this there are cases (where KScratch registers are
unavailable) in which iPTE_SW will incorrectly clobber $1 despite it
already being in use for the PTE or PTE pointer.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13121/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 15:30:25 +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: remove aliasing alignment if HW has antialising support 2016-05-13 14:02:16 +02:00
c-tx39.c MIPS: tlb-r3k: Move CP0.Wired register initialisation to `tlb_init' 2015-06-21 21:52:41 +02:00
cache.c MIPS: Sync icache & dcache in set_pte_at 2016-05-13 14:01:58 +02:00
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: dma-default: Defend against NULL dev in massage_gfp_flags 2016-05-09 12:00:04 +02:00
extable.c MIPS: Eleminate filenames from comments 2009-08-03 17:52:40 +01:00
fault.c MIPS: Set trap_no field in thread_struct on exception. 2015-09-03 12:08:04 +02:00
gup.c Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-20 19:08:56 -07:00
highmem.c kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
hugetlbpage.c mm/hugetlb: reduce arch dependent code about huge_pmd_unshare 2015-06-24 17:49:41 -07:00
init.c MIPS: mm: Fix MIPS32 36b physical addressing (alchemy, netlogic) 2016-05-13 15:30:25 +02:00
ioremap.c MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
Makefile MIPS: Allow L2 prefetch to be configured via debugfs 2015-10-26 09:49:42 +01:00
mmap.c mm: ASLR: use get_random_long() 2016-02-27 10:28:52 -08:00
page-funcs.S MIPS: Refactor 'clear_page' and 'copy_page' functions. 2012-07-19 11:23:43 +02:00
page.c MIPS: Loongson-3: Introduce CONFIG_LOONGSON3_ENHANCEMENT 2016-05-13 14:02:15 +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, thp: remove infrastructure for handling splitting PMDs 2016-01-15 17:56:32 -08:00
sc-debugfs.c MIPS: Allow L2 prefetch to be configured via debugfs 2015-10-26 09:49:42 +01:00
sc-ip22.c MIPS: Fix misspellings in comments. 2016-04-03 12:32:09 +02:00
sc-mips.c MIPS: Add P6600 cases to CPU switch statements 2016-05-13 14:01:52 +02:00
sc-r5k.c MIPS: Remove useless parentheses 2014-11-24 07:44:49 +01:00
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: Retrieve ASID masks using function accepting struct cpuinfo_mips 2016-05-13 14:02:20 +02:00
tlb-r4k.c MIPS: Retrieve ASID masks using function accepting struct cpuinfo_mips 2016-05-13 14:02:20 +02:00
tlb-r8k.c MIPS: Retrieve ASID masks using function accepting struct cpuinfo_mips 2016-05-13 14:02:20 +02:00
tlbex-fault.S MIPS: Don't include <asm/page.h> unnecessarily. 2012-12-28 17:04:04 +01:00
tlbex.c MIPS: mm: Pass scratch register through to iPTE_SW 2016-05-13 15:30:25 +02:00
uasm-micromips.c MIPS: mm: Remove dead macro definitions 2015-02-20 23:42:00 +01:00
uasm-mips.c MIPS: Loongson-3: Fast TLB refill handler 2016-05-13 14:02:15 +02:00
uasm.c MIPS: Loongson-3: Fast TLB refill handler 2016-05-13 14:02:15 +02:00