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2012-05-22[ANDROID]: ux500: pm: usecase: use both cpu cores during voice-callMian Yousaf Kaukab
Audio thread sees a significant delay in scheduling, if it get scheduled on the cpu core1, right after core1 is brought online. Kepping core1 online solves this problem. Power impact of keeping core1 online is negligible. ST-Ericsson ID: 361756 ST-Ericsson Linux next: N/A ST-Ericsson FOSS-OUT ID: Trivial Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Change-Id: I9ad0521123689e06906d4f55f25536043eb8fa32 Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34624 Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com> Tested-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com> Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com> Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
2012-05-22[ANDROID]: ux500: pm: usecase: remove upper arm frequency boundsMian Yousaf Kaukab
There is no need to specify upper arm frequency bounds for low-power-audio and voice-call. CPUFreq's statistics shows that when running at 400MHz, 95% of the time frequency is not increased for these use-cases. Power figures for these use-cases show no impact after removing upper bounds. Not having upper bounds will prevent the CPU from chocking when a audio codec with higher mips requirements is in use. Moreover, instead of using lower arm frequency bounds, use PRCMU ARM QOS and specify the required operating point. ST-Ericsson ID: 361756 ST-Ericsson Linux next: N/A ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I629201af7c3dc143308c92aa4bb88a8341156824 Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34278 Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com> Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
2012-05-22u5500: fix handling of IRDACLK and IRRCCLKRabin Vincent
IRDACLK needs to be requested from the firmware. IRDACLK and IRRCCLK need to be parented to the SOC1 PLL. ST-Ericsson ID: 361212 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: Id336deda4639729dd5b847c168e52c05393c1bfc Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34593 Reviewed-by: QATOOLS Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com>
2012-05-22arm: ux500: add plldsi and dsi{0,1}clkMattias Nilsson
This patch adds the PLLDSI and the two subclocks dsi{0,1}clk to the U8500 clock tree. ST Ericsson ID: 343004, 359227 ST Ericsson FOSS-OUT ID: trivial Change-Id: I36b5a9b741da293b58ecd0bbeaf5678832104b34 Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34372 Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22arm: ux500: updated clk_set_rateMattias Nilsson
This patch updates clk_set_rate so that it only works for disabled clocks, as well as making sure that it doesn't interfere with itself at another depth of the clock tree. ST Ericsson ID: 343004, 359227 ST Ericsson FOSS-OUT ID: trivial Change-Id: I9dbf32f73e89f8f248e51b15097b50975b951a73 Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32967 Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22arm: ux500: add u8500 dsiescclk:sMattias Nilsson
This patch adds the DSI Escape clocks to the U8500 clock tree. ST Ericsson ID: 343004, 359227 ST Ericsson FOSS-OUT ID: trivial Change-Id: Ieead87a009fc36ccbfe91fc3e5b23ca431803925 Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32966 Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22ARM: ux500: pm: Check proper return valuesJohan Rudholm
A return value from schedule_delayed_work not equal to zero does not mean failure, but the code in performance_register assumed so. ST-Ericsson ID: 357764 ST-Ericsson FOSS-OUT ID: Trivial ST-Ericsson Linux next: NA Change-Id: Ib8c822fdef98d721d37dcbb2fad278b7b3559610 Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34377 Reviewed-by: QATOOLS Reviewed-by: Per FORLIN <per.forlin@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22ARM: ux500: suspend: Run suspend/resume at ARM_MAX_OPPMagnus Templing
ST-Ericsson ID: 366044 ST-Ericsson FOSS-OUT ID: Trivial Signed-off-by: Magnus Templing <magnus.templing@stericsson.com> Change-Id: Ic1fdefcd437b7fb1caec5af43221ed01c8a2a0b7 Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34428 Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22mach-ux500: pm runtime: Fix build error with PM runtime disabledPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
2012-05-22pm: Porting on Linux 3.2Philippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500 : Correct regulator name for cypress controllerAvinash A
This adds the correct supply name for the Cypress Touchscreen controller ST-Ericsson ID: 366971 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I7b1cc31220059edf946ead080a9ad1321d6277f2 Signed-off-by: Avinash A <Avinash.a@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33832 Reviewed-by: Avinash A <avinash.a@stericsson.com> Tested-by: Avinash A <avinash.a@stericsson.com> Reviewed-by: QABUILD Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
2012-05-22ux500: mcde: Remove sony display data from boardJimmy Rubin
Removes sony display driver specific data from board-xxx-mcde.c ST-Ericsson ID: 321190 ST-Ericsson Linux Next: NA ST-Ericsson FOSS-OUT ID: Trivial Signed-off-by: Jimmy Rubin <jimmy.rubin@stericsson.com> Change-Id: Ice61906fb359edf5ebd665e066c4b537312cb94b Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32718 Reviewed-by: Jimmy RUBIN <jimmy.rubin@stericsson.com> Tested-by: Jimmy RUBIN <jimmy.rubin@stericsson.com> Reviewed-by: QABUILD Reviewed-by: Marcus LORENTZON <marcus.xm.lorentzon@stericsson.com>
2012-05-22ux500: mcde: Add correct reg id for sony displayJimmy Rubin
ST-Ericsson ID: 321190 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I606e9f3df286e7f8cd383e6840561ab9742d612c Signed-off-by: Jimmy Rubin <jimmy.rubin@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33680 Reviewed-by: QABUILD Reviewed-by: Marcus LORENTZON <marcus.xm.lorentzon@stericsson.com>
2012-05-22ux500: pm: Resolve compile errorJohan Rudholm
performance.c fails to compile if CONFIG_MMC_BLOCK is not defined, so place the code that depends on the MMC subsystem within #ifdefs. ST-Ericsson ID: 357764 ST-Ericsson FOSS-OUT ID: Trivial ST-Ericsson Linux next: NA Change-Id: Ieb4d560ad1c5089cad2da5ce0f7869dafd1acfe1 Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33686 Reviewed-by: QABUILD Reviewed-by: Per FORLIN <per.forlin@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22ux500: pm: Nonexisting dep in KconfigJohan Rudholm
UX500_PRCMU_QOS_POWER has switched names to DBX500_PRCMU_QOS_POWER. ST-Ericsson ID: 357764 ST-Ericsson FOSS-OUT ID: Trivial ST-Ericsson Linux next: NA Change-Id: I2d9d71f2f76f264916ded2d5251747eff516cd63 Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33685 Reviewed-by: QABUILD Reviewed-by: Per FORLIN <per.forlin@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22ux500: pm: prevent sleep during high wlan loadPer Forlin
The system wake up latency from sleep adds an extra overhead when running wlan in DMA mode. This is not the case for PIO since the CPU usage prevents the system from going to sleep. ST-Ericsson ID: 357764 ST-Ericsson FOSS-OUT ID: Trivial ST-Ericsson Linux next: NA Change-Id: Ib3ac10da61ca9f3d9db4956a29fb694bd2c416cc Signed-off-by: Per Forlin <per.forlin@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33008 Reviewed-by: QABUILD Reviewed-by: Johan RUDHOLM <johan.rudholm@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22regulators: ab8500: Add support of low voltage batteryBengt Jonsson
Low voltage batteries have a wider voltage range with lower operating voltages. Some consumers in the platform may not work with the lower voltages and therefore need an extra regulator to boost the voltage in this case. This driver adds support for checking the consumers that need higher voltage (Vaux1, 2 and 3 regulators, 3 V SIM) and control the external buck/boost regulator accordingly. Note that to utilize the low voltage battery support, the battery voltage thresholds must be changed. This applies for the low battery voltage threshold of the battery manager and the OTP setting for the AB8500 BattOk levels. ST-Ericsson ID: 282517, 363432 ST-Ericsson Linux next: - ST-Ericsson FOSS-OUT ID: Trivial Change-Id: Ife07a622ec9748c027dbbd78b01e4ee7e92629ec Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33616 Reviewed-by: QABUILD
2012-05-22ab8500: Separate regulator and MFD platform dataBengt Jonsson
The ab8500 MFD should not have knowledge about regulator- specific platform data like number of regulators and regulator registers. As the regulator platform data is about to grow with external regulators, this information is moved to a new structure provided by the regulator driver. ST-Ericsson ID: 282517 ST-Ericsson Linux next: - ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I77d03ffcc3273b0659dea3cffd8191b8c94b83d2 Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33615 Reviewed-by: QABUILD Reviewed-by: Yvan FILLION <yvan.fillion@stericsson.com>
2012-05-22ux500: mcde: Replace generic driver with SamsungMarcus Lorentzon
Remove use of MCDE generic DSI driver in favor of the real Samsung S6D16D0 driver to reduce the amount of code in mop500 board config. ST-Ericsson ID: 365249 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: Idecde46fba388789403fea63210e81ed10cb75db Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33264 Reviewed-by: Marcus LORENTZON <marcus.xm.lorentzon@stericsson.com> Tested-by: Marcus LORENTZON <marcus.xm.lorentzon@stericsson.com> Reviewed-by: Per PERSSON <per.xb.persson@stericsson.com> Reviewed-by: QABUILD Reviewed-by: Jimmy RUBIN <jimmy.rubin@stericsson.com>
2012-05-22ux500: add smp_twd clockRabin Vincent
Add a smp_twd clock with an appropriate get_rate() implementation so that localtimers scale correctly with cpufreq changes. ST-Ericsson ID: 361450 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I492af8efe1c8c081f6079e538f6edf296eca3a02 Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33277 Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com>
2012-05-22ux500: mcde: Add UIB8500R3 display supportJimmy Rubin
On the UIB8500R3 a Sony ACX424akp panel is used. The UIB will be detected dynamically and use the correct display driver. ST-Ericsson ID: 321190 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I9157e1d76334b665b37e871b1efe10c3415cc492 Signed-off-by: Jimmy Rubin <jimmy.rubin@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/31952 Reviewed-by: Marcus LORENTZON <marcus.xm.lorentzon@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2012-05-22ARM: U9500: HSI core clocks initializationPawel Szyszuk
ST-Ericsson Linux next: NA ST-Ericsson ID: 343481 ST-Ericsson FOSS-OUT ID: Trivial Change-Id: Ic59f08e1bb5d858344d95b5d34ae8a5d85d9aa1d Signed-off-by: Pawel Szyszuk <pawel.szyszuk@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32518 Reviewed-by: Andrew LYNN <andrew.lynn@stericsson.com>
2012-05-22ARM: ux500: pm-runtime: Fix callbacksJonas Aaberg
Actually call the drivers registered runtime_suspend/resume callbacks upon pm_runtime_get/put. ST-Ericsson Linux next: - ST-Ericsson ID: - ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I2c4efe1f2e01ec05bb790883c7634a715649a4a3 Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32596 Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
2012-05-22u5500: prcmu: implement APE OPP handlingShreshtha Kumar Sahu
ST-Ericsson ID: 348762 ST-Ericsson FOSS-OUT ID: Trivial ST-Ericsson Linux next: NA Change-Id: I7ff9a02de960f251cbbd9f051a1c8050aa340d6d Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/28000 Reviewed-by: QATOOLS Reviewed-by: QABUILD Reviewed-by: QATEST Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32555 Tested-by: Venkata Biswanath DEVARASETTY <venkata.biswanath@stericsson.com>
2012-05-22pm: pwr_domain renamed to pm_domain in 3.1Philippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: clock: Fix gpio includePhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: Change for cpuidle supportPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
2012-05-22mach-ux500: jtag: Add JTAG debug supportPhilippe Langlais
Signed-off-by: Jens Wiklander <jens.wiklander@stericsson.com> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
2012-05-22mach-ux500: u5500: U5500 regulator idPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: prcmu: Add prcmu debug supportPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: pm: ux500 power management supportPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: uart power savingPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
2012-05-22mach-ux500: hotplug update for pmPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
2012-05-22mach-ux500: pm board specific regulators changesPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: db8500 & db5500 per-SoC clock treesPhilippe Langlais
This is the ux500 clock tree in per-chip variants, use latest PRCMU interface Signed-off-by: Rickard Evertsson <rickard.evertsson@stericsson.com> Signed-off-by: Daniel Willerud <daniel.willerud@stericsson.com> Signed-off-by: Deepak Karda <deepak.karda@stericsson.com> Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
2012-05-22mach-ux500: withdraw PRCMU ux500 platform files modificationsPhilippe Langlais
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
2012-05-22regulator/db5500-prcmu: add driverPhilippe Langlais
This adds a driver for the DB5500 PRCMU voltage domain regulators, in the same spirit as the DB8500 PRCMU VD regulators. Cc: Liam Girdwood <lrg@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Vijaya Kumar Kilari <vijay.kilari@stericsson.com> Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-22mfd/db5500-prcmu: convert to platform deviceLinus Walleij
This converts the DB5500 PRCMU driver to become a platform device just like the DB8500 PRCMU driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-22mfd/db5500-prcmu: update mailbox handlingShreshtha Kumar Sahu
This updates the mailbox handling to be more robust and adds basic infrastructure for event (IRQ) handling. Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Signed-off-by: Vijaya Kumar Kilari <vijay.kilari@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-19Merge tag 'parisc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6 Pull PA-RISC fixes from James Bottomley: "This is a set of three bug fixes that gets parisc running again on systems with PA1.1 processors. Two fix regressions introduced in 2.6.39 and one fixes a prefetch bug that only affects PA7300LC processors. We also have another pending fix to do with the sectional arrangement of vmlinux.lds, but there's a query on it during testing on one particular system type, so I'll hold off sending it in for now." * tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6: [PARISC] fix panic on prefetch(NULL) on PA7300LC [PARISC] fix crash in flush_icache_page_asm on PA1.1 [PARISC] fix PA1.1 oops on boot
2012-05-19Merge branch 'x86/ld-fix' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 linker bug workarounds from Peter Anvin. GNU ld-2.22.52.0.[12] (*) has an unfortunate bug where it incorrectly turns certain relocation entries absolute. Section-relative symbols that are part of otherwise empty sections are silently changed them to absolute. We rely on section-relative symbols staying section-relative, and actually have several sections in the linker script solely for this purpose. See for example http://sourceware.org/bugzilla/show_bug.cgi?id=14052 We could just black-list the buggy linker, but it appears that it got shipped in at least F17, and possibly other distros too, so it's sadly not some rare unusual case. This backports the workaround from the x86/trampoline branch, and as Peter says: "This is not a minimal fix, not at all, but it is a tested code base." * 'x86/ld-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, relocs: When printing an error, say relative or absolute x86, relocs: Workaround for binutils 2.22.52.0.1 section bug x86, realmode: 16-bit real-mode code support for relocs tool (*) That's a manly release numbering system. Stupid, sure. But manly.
2012-05-18x86, relocs: When printing an error, say relative or absoluteH. Peter Anvin
When the relocs tool throws an error, let the error message say if it is an absolute or relative symbol. This should make it a lot more clear what action the programmer needs to take and should help us find the reason if additional symbol bugs show up. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: <stable@vger.kernel.org>
2012-05-18x86, relocs: Workaround for binutils 2.22.52.0.1 section bugH. Peter Anvin
GNU ld 2.22.52.0.1 has a bug that it blindly changes symbols from section-relative to absolute if they are in a section of zero length. This turns the symbols __init_begin and __init_end into absolute symbols. Let the relocs program know that those should be treated as relative symbols. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: H.J. Lu <hjl.tools@gmail.com> Cc: <stable@vger.kernel.org> Cc: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
2012-05-18x86, realmode: 16-bit real-mode code support for relocs toolH. Peter Anvin
A new option is added to the relocs tool called '--realmode'. This option causes the generation of 16-bit segment relocations and 32-bit linear relocations for the real-mode code. When the real-mode code is moved to the low-memory during kernel initialization, these relocation entries can be used to relocate the code properly. In the assembly code 16-bit segment relocations must be relative to the 'real_mode_seg' absolute symbol. Linear relocations must be relative to a symbol prefixed with 'pa_'. 16-bit segment relocation is used to load cs:ip in 16-bit code. Linear relocations are used in the 32-bit code for relocatable data references. They are declared in the linker script of the real-mode code. The relocs tool is moved to arch/x86/tools/relocs.c, and added new target archscripts that can be used to build scripts needed building an architecture. be compiled before building the arch/x86 tree. [ hpa: accelerating this because it detects invalid absolute relocations, a serious bug in binutils 2.22.52.0.x which currently produces bad kernels. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1336501366-28617-2-git-send-email-jarkko.sakkinen@intel.com Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@vger.kernel.org>
2012-05-18Merge branch 'stable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile Pull tile tree bugfix from Chris Metcalf: "This fixes a security vulnerability (and correctness bug) in tilegx" * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tilegx: enable SYSCALL_WRAPPERS support
2012-05-18Merge branch 'akpm' (Andrew's patch-bomb)Linus Torvalds
Merge misc fixes from Andrew Morton. * emailed from Andrew Morton <akpm@linux-foundation.org>: (4 patches) frv: delete incorrect task prototypes causing compile fail slub: missing test for partial pages flush work in flush_all() fs, proc: fix ABBA deadlock in case of execution attempt of map_files/ entries drivers/rtc/rtc-pl031.c: configure correct wday for 2000-01-01
2012-05-18tilegx: enable SYSCALL_WRAPPERS supportChris Metcalf
Some discussion with the glibc mailing lists revealed that this was necessary for 64-bit platforms with MIPS-like sign-extension rules for 32-bit values. The original symptom was that passing (uid_t)-1 to setreuid() was failing in programs linked -pthread because of the "setxid" mechanism for passing setxid-type function arguments to the syscall code. SYSCALL_WRAPPERS handles ensuring that all syscall arguments end up with proper sign-extension and is thus the appropriate fix for this problem. On other platforms (s390, powerpc, sparc64, and mips) this was fixed in 2.6.28.6. The general issue is tracked as CVE-2009-0029. Cc: <stable@vger.kernel.org> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-05-18Merge tag 'linus-mce-fix' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull a machine check recovery fix from Tony Luck. I really don't like how the MCE code does some of the things it does, but this does seem to be an improvement. * tag 'linus-mce-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: x86/mce: Only restart instruction after machine check recovery if it is safe
2012-05-17frv: delete incorrect task prototypes causing compile failPaul Gortmaker
Commit 41101809a865 ("fork: Provide weak arch_release_[task_struct| thread_info] functions") in -tip highlights a problem in the frv arch, where it has needles prototypes for alloc_task_struct_node and free_task_struct. This now shows up as: kernel/fork.c:120:66: error: static declaration of 'alloc_task_struct_node' follows non-static declaration kernel/fork.c:127:51: error: static declaration of 'free_task_struct' follows non-static declaration since that commit turned them into real functions. Since arch/frv does does not define define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR (i.e. it just uses the generic ones) it shouldn't list these at all. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: David Howells <dhowells@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-17Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Small set of fixes again." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7419/1: vfp: fix VFP flushing regression on sigreturn path ARM: 7418/1: LPAE: fix access flag setup in mem_type_table ARM: prevent VM_GROWSDOWN mmaps extending below FIRST_USER_ADDRESS ARM: 7417/1: vfp: ensure preemption is disabled when enabling VFP access
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