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8fe4908b83
linux-next/arch/mips
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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
..
alchemy MIPS: Alchemy: Remove unneeded cast removing const 2015-06-21 21:53:46 +02:00
ar7 MIPS: AR7: Replace mac address parsing 2015-04-02 13:54:22 +02:00
ath25 MIPS, IRQ: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-06-21 21:53:47 +02:00
ath79 MIPS: ath79: Use the common clk API 2015-06-21 21:53:51 +02:00
bcm47xx MIPS: BCM47XX: Support Luxul XWR-1750 board 2015-06-21 21:53:53 +02:00
bcm63xx This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
bmips MIPS: BMIPS: Add support for Broadcom BCM97435SVMB 2015-06-21 21:53:34 +02:00
boot MIPS: BMIPS: dts: Add uart device nodes to bcm7xxx platforms 2015-06-21 21:53:35 +02:00
cavium-octeon MIPS, IRQ: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-06-21 21:53:47 +02:00
cobalt MIPS: Cobalt: Do not build MTD platform device registration code as module. 2015-06-10 10:39:30 +02:00
configs MIPS: Pistachio: Enable USB PHY driver in defconfig 2015-06-21 21:53:39 +02:00
dec MIPS: DEC: Do not set up the FPU interrupt if no FPU 2015-04-08 01:10:46 +02:00
emma MIPS: Remove panic_timeout settings 2013-11-26 12:12:27 +01:00
fw MIPS: ARC: Use __noreturn / unreachable in ARC termination functions. 2015-01-13 16:04:27 +01:00
include MIPS: Fix KVM guest fixmap address 2015-06-21 21:53:54 +02:00
jazz Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-03-02 07:44:16 -08:00
jz4740 MIPS: ingenic: Initial MIPS Creator CI20 support 2015-06-21 21:53:28 +02:00
kernel MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
kvm MIPS: KVM: Do not sign extend on unsigned MMIO load 2015-06-06 10:21:10 +02:00
lantiq MIPS: mark prom_free_prom_memory() everywhere with __init 2015-04-01 17:21:58 +02:00
lasat Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-04-17 15:50:54 -04:00
lib MIPS: tlb-r3k: Move CP0.Wired register initialisation to `tlb_init' 2015-06-21 21:52:41 +02:00
loongson MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
loongson1 MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
math-emu MIPS: Fix a preemption issue with thread's FPU defaults 2015-05-12 23:15:49 +02:00
mm MIPS: tlbex: Avoid unnecessary _PAGE_PRESENT shifts 2015-06-21 21:53:55 +02:00
mti-malta TTY/Serial patches for 4.1-rc1 2015-04-21 09:33:10 -07:00
mti-sead3 MIPS: SEAD3: Combine all platform device registrations in one file. 2015-04-02 17:07:26 +02:00
net MIPS: BPF: Fix stack pointer allocation 2015-06-06 10:21:10 +02:00
netlogic MIPS: netlogic: remove unnecessary MTD partition probe specification 2015-06-21 21:52:43 +02:00
oprofile MIPS: Add R16000 detection 2015-04-01 17:22:13 +02:00
paravirt mips: fix up obsolete cpu function usage. 2015-03-05 15:25:06 +10:30
pci MIPS: ath79: Improve the DDR controller interface 2015-06-21 21:53:51 +02:00
pistachio MIPS: Add support for the IMG Pistachio SoC 2015-03-31 12:04:12 +02:00
pmcs-msp71xx kconfig: use bool instead of boolean for type definition attributes 2015-01-07 13:08:04 +01:00
pnx833x MIPS: PNX833x: Remove checks for CONFIG_I2C_PNX0105 2014-05-23 15:12:39 +02:00
power MIPS: Hibernate: flush TLB entries earlier 2015-04-10 15:41:52 +02:00
ralink MIPS, IRQ: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-06-21 21:53:47 +02:00
rb532 MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
sgi-ip22 MIPS: ip22-gio: Remove legacy suspend/resume support 2015-02-20 13:30:55 +01:00
sgi-ip27 This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
sgi-ip32 MIPS: IP32: Fix build errors in reset code in DS1685 platform hook. 2015-05-13 00:01:41 +02:00
sibyte MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
sni MIPS: Cleanup CP0 PRId and CP1 FPIR register access masks 2013-09-18 20:25:19 +02:00
txx9 MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
vr41xx MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
Kbuild MIPS: net: Add BPF JIT 2014-05-30 16:10:20 +02:00
Kbuild.platforms MIPS: bcm3384: Rename "bcm3384" target to "bmips" 2015-04-01 17:21:35 +02:00
Kconfig MIPS: ath79: Use the common clk API 2015-06-21 21:53:51 +02:00
Kconfig.debug MIPS: kernel: elf: Improve the overall ABI and FPU mode checks 2015-02-17 15:37:39 +00:00
Makefile MIPS: Fix wrong CHECKFLAGS (sparse builds) with GCC 5.1 2015-05-12 23:22:39 +02:00