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linux/arch/mips/mm
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James Hogan 8fe4908b83 MIPS: tlbex: Avoid unnecessary _PAGE_PRESENT shifts 
Commit c5b367835c ("MIPS: Add support for XPA.") added generation of a
shift by _PAGE_PRESENT_SHIFT in build_pte_present() and
build_pte_writable(), however except for the XPA case this is always
zero making it unnecessary.

Make the shift conditional upon _PAGE_PRESENT_SHIFT being non-zero to
save an instruction in those cases.

Fixes: c5b367835c ("MIPS: Add support for XPA.")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9889/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-21 21:53:55 +02:00
..
c-octeon.c
c-r3k.c
c-r4k.c MIPS: c-r4k: Remove legacy __cpuinit section that crept in 2015-06-21 21:53:44 +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: Fix race condition in lazy cache flushing. 2015-03-25 13:48:00 +01:00
cerr-sb1.c
cex-gen.S
cex-oct.S
cex-sb1.S
dma-default.c MIPS: DMA: Implement platform hook to perform post-DMA cache flushes. 2015-04-01 17:22:01 +02:00
extable.c
fault.c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-21 19:41:38 -08:00
gup.c mm: gup: use get_user_pages_unlocked within get_user_pages_fast 2015-02-11 17:06:05 -08:00
highmem.c
hugetlbpage.c mm/hugetlb: reduce arch dependent code around follow_huge_* 2015-02-11 17:06:01 -08:00
init.c MIPS: Add support for XPA. 2015-03-19 17:39:49 +01:00
ioremap.c
Makefile
mmap.c mm: expose arch_mmap_rnd when available 2015-04-14 16:49:05 -07:00
page-funcs.S
page.c MIPS: Add R16000 detection 2015-04-01 17:22:13 +02:00
pgtable-32.c
pgtable-64.c
sc-ip22.c
sc-mips.c MIPS: mm: scache: Add secondary cache support for MIPS R6 cores 2015-02-17 15:37:31 +00:00
sc-r5k.c
sc-rm7k.c
tlb-funcs.S
tlb-r3k.c MIPS: tlb-r3k: Optimise a TLBWI barrier in TLB invalidation 2015-06-21 21:52:41 +02:00
tlb-r4k.c MIPS: BCM77xx: Remove legacy __cpuinit{,data} sections that crept in 2015-06-21 21:53:42 +02:00
tlb-r8k.c
tlbex-fault.S
tlbex.c MIPS: tlbex: Avoid unnecessary _PAGE_PRESENT shifts 2015-06-21 21:53:55 +02:00
uasm-micromips.c MIPS: mm: Remove dead macro definitions 2015-02-20 23:42:00 +01:00
uasm-mips.c MIPS: mm: Remove dead macro definitions 2015-02-20 23:42:00 +01:00
uasm.c MIPS: OCTEON: Implement DCache errata workaround for all CN6XXX 2015-02-20 15:31:27 +01:00