p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
linux_old1/arch/arm
History
Steven Capper f295070687 ARM: 8108/1: mm: Introduce {pte,pmd}_isset and {pte,pmd}_isclear 
Long descriptors on ARM are 64 bits, and some pte functions such as
pte_dirty return a bitwise-and of a flag with the pte value. If the
flag to be tested resides in the upper 32 bits of the pte, then we run
into the danger of the result being dropped if downcast.

For example:
	gather_stats(page, md, pte_dirty(*pte), 1);
where pte_dirty(*pte) is downcast to an int.

This patch introduces a new macro pte_isset which performs the bitwise
and, then performs a double logical invert (where needed) to ensure
predictable downcasting. The logical inverse pte_isclear is also
introduced.

Equivalent pmd functions for Transparent HugePages have also been
added.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 		2014-07-24 14:27:07 +01:00
..
boot ARM: 8079/1: zImage: identify kernel endianness 2014-07-18 12:29:08 +01:00
common ARM: 8081/1: MCPM: provide infrastructure to allow for MCPM loopback 2014-07-18 11:58:00 +01:00
configs The i.MX fixes for 3.16: 2014-06-23 14:12:48 +02:00
crypto ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
firmware
…
include ARM: 8108/1: mm: Introduce {pte,pmd}_isset and {pte,pmd}_isclear 2014-07-24 14:27:07 +01:00
kernel ARM: 8088/1: vmlinux.lds.S: drop redundant .comment 2014-07-18 12:29:23 +01:00
kvm ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
lib ARM: 8091/2: add get_user() support for 8 byte types 2014-07-18 12:29:34 +01:00
mach-at91 ARM: at91: fix at91_sysirq_mask_rtc for sam9x5 SoCs 2014-06-06 16:08:08 -07:00
mach-axxia ARM: Add platform support for LSI AXM55xx SoC 2014-05-23 18:18:39 +02:00
mach-bcm ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-berlin ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-clps711x ARM: 8025/1: Get rid of meminfo 2014-06-01 01:17:12 +01:00
mach-cns3xxx ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-davinci ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-dove
…
mach-ebsa110
…
mach-efm32
…
mach-ep93xx ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-exynos ARM: make it easier to check the CPU part number correctly 2014-07-18 12:29:02 +01:00
mach-footbridge ARM: 8025/1: Get rid of meminfo 2014-06-01 01:17:12 +01:00
mach-gemini
…
mach-highbank ARM: Remove ARCH_HAS_CPUFREQ config option 2014-06-17 17:09:39 +02:00
mach-hisi
…
mach-imx ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-integrator ARM: integrator: fix OF-related regression 2014-06-24 14:27:03 +02:00
mach-iop13xx ARM: 8101/1: mach-iop13xx: fix possible build failure 2014-07-18 11:57:59 +01:00
mach-iop32x
…
mach-iop33x
…
mach-ixp4xx
…
mach-keystone ARM: keystone requires ARM_PATCH_PHYS_VIRT 2014-06-17 17:09:22 +02:00
mach-kirkwood mvebu SoC changes for v3.16 2014-05-19 21:59:55 -07:00
mach-ks8695
…
mach-lpc32xx mmc: mmci: Enforce DMA configuration through DT 2014-06-02 11:20:25 +02:00
mach-mmp
…
mach-moxart ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-msm Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next 2014-06-05 15:57:04 -07:00
mach-mv78xx0
…
mach-mvebu ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-mxs
…
mach-netx
…
mach-nomadik ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-nspire
…
mach-omap1 ARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP 2014-05-16 14:14:25 -07:00
mach-omap2 ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-orion5x ARM: SoC updates for 3.16 (part 2) 2014-06-11 11:03:24 -07:00
mach-picoxcell
…
mach-prima2 ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-pxa ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-qcom ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-realview Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next 2014-06-05 15:57:04 -07:00
mach-rockchip Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next 2014-06-05 15:57:04 -07:00
mach-rpc
…
mach-s3c24xx ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-s3c64xx ARM: samsung: make SAMSUNG_DMADEV optional 2014-06-17 17:09:37 +02:00
mach-s5p64x0 ARM: samsung: make SAMSUNG_DMADEV optional 2014-06-17 17:09:37 +02:00
mach-s5pc100 ARM: samsung: make SAMSUNG_DMADEV optional 2014-06-17 17:09:37 +02:00
mach-s5pv210 ARM: samsung: make SAMSUNG_DMADEV optional 2014-06-17 17:09:37 +02:00
mach-sa1100 ARM: 8085/1: sa1100: collie: add top boot mtd partition 2014-06-29 10:29:34 +01:00
mach-shmobile ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-socfpga ARM: l2c: socfpga: convert to generic l2c OF initialisation 2014-05-30 00:50:04 +01:00
mach-spear ARM: Remove ARCH_HAS_CPUFREQ config option 2014-06-17 17:09:39 +02:00
mach-sti Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2014-06-24 13:59:00 -07:00
mach-sunxi ARM: sunxi: allow building without reset controller 2014-05-26 21:27:22 +02:00
mach-tegra ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
mach-u300 ARM: use menuconfig for sub-arch menus 2014-06-17 17:09:48 +02:00
mach-ux500 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2014-06-24 13:59:00 -07:00
mach-versatile
…
mach-vexpress ARM: make it easier to check the CPU part number correctly 2014-07-18 12:29:02 +01:00
mach-vt8500 ARM: Remove ARCH_HAS_CPUFREQ config option 2014-06-17 17:09:39 +02:00
mach-w90x900
…
mach-zynq ARM: Remove ARCH_HAS_CPUFREQ config option 2014-06-17 17:09:39 +02:00
mm ARM: 8103/1: save/restore Cortex-A9 CP15 registers on suspend/resume 2014-07-18 12:29:37 +01:00
net net: filter: get rid of BPF_S_* enum 2014-06-01 22:16:58 -07:00
nwfpe ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
oprofile ARM: 8075/1: oprofile: Use of arm_get_current_stackframe 2014-07-18 12:29:20 +01:00
plat-iop
…
plat-omap ARM: OMAP: add deprecation message for legacy OMAP DMA API 2014-07-01 15:00:26 +01:00
plat-orion
…
plat-pxa
…
plat-samsung Couple of DT fixes for STi platform issues discovered on V3.16-rc1. 2014-06-20 10:59:05 +02:00
plat-versatile
…
tools
…
vfp ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
xen ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+ 2014-07-18 12:29:04 +01:00
Kconfig ARM: exynos: cleanup kconfig option display 2014-06-17 17:09:41 +02:00
Kconfig-nommu
…
Kconfig.debug Samsung Exynos updates for 3.16 2014-05-30 21:44:49 -07:00
Makefile ARM: 8096/1: Describe required sort order for textofs-y (TEXT_OFFSET) 2014-07-18 12:29:27 +01:00