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2014-08-06Merge tag 'random_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull randomness updates from Ted Ts'o: "Cleanups and bug fixes to /dev/random, add a new getrandom(2) system call, which is a superset of OpenBSD's getentropy(2) call, for use with userspace crypto libraries such as LibreSSL. Also add the ability to have a kernel thread to pull entropy from hardware rng devices into /dev/random" * tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: hwrng: Pass entropy to add_hwgenerator_randomness() in bits, not bytes random: limit the contribution of the hw rng to at most half random: introduce getrandom(2) system call hw_random: fix sparse warning (NULL vs 0 for pointer) random: use registers from interrupted code for CPU's w/o a cycle counter hwrng: add per-device entropy derating hwrng: create filler thread random: add_hwgenerator_randomness() for feeding entropy from devices random: use an improved fast_mix() function random: clean up interrupt entropy accounting for archs w/o cycle counters random: only update the last_pulled time if we actually transferred entropy random: remove unneeded hash of a portion of the entropy pool random: always update the entropy pool under the spinlock
2014-08-06Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "In this release: - PKCS#7 parser for the key management subsystem from David Howells - appoint Kees Cook as seccomp maintainer - bugfixes and general maintenance across the subsystem" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (94 commits) X.509: Need to export x509_request_asymmetric_key() netlabel: shorter names for the NetLabel catmap funcs/structs netlabel: fix the catmap walking functions netlabel: fix the horribly broken catmap functions netlabel: fix a problem when setting bits below the previously lowest bit PKCS#7: X.509 certificate issuer and subject are mandatory fields in the ASN.1 tpm: simplify code by using %*phN specifier tpm: Provide a generic means to override the chip returned timeouts tpm: missing tpm_chip_put in tpm_get_random() tpm: Properly clean sysfs entries in error path tpm: Add missing tpm_do_selftest to ST33 I2C driver PKCS#7: Use x509_request_asymmetric_key() Revert "selinux: fix the default socket labeling in sock_graft()" X.509: x509_request_asymmetric_keys() doesn't need string length arguments PKCS#7: fix sparse non static symbol warning KEYS: revert encrypted key change ima: add support for measuring and appraising firmware firmware_class: perform new LSM checks security: introduce kernel_fw_from_file hook PKCS#7: Missing inclusion of linux/err.h ...
2014-08-06drm/dsi: Replace upcasting macro by functionThierry Reding
Using a function instead of a macro provides proper type checking. Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: ld9040: Replace upcasting macro by functionThierry Reding
Using a function instead of a macro provides proper type checking. Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/exynos: dp: Modify driver to support drm_panelAjay Kumar
Add drm_panel controls to support powerup/down of the eDP panel, if one is present at the sink side. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/exynos: Move DP setup into commit()Ajay Kumar
Add commit callback for exynos_dp, and move the DP link training, video configuration code from the hotplug handler into commit(). Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Add AUO B133HTN01 panel supportAjay Kumar
The AUO B133HTN01 is a 13.6" FHD TFT LCD panel connecting to an eDP interface and with an integrated LED backlight unit. This panel is used on the Samsung Chromebook 2 (XE503C32). Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Support delays in panel functionsAjay Kumar
For most of the panels, we need to provide delays during various stages of panel power up and power down. Add a structure to hold those delay values and use them in corresponding functions. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Add proper definition for prepare and unprepareAjay Kumar
Move out code from enable and disable routines to prepare and unprepare routines, so that functionality is properly distributed across all the panel functions. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: s6e8aa0: Add proper definition for prepare and unprepareAjay Kumar
Move out code from enable and disable routines to prepare and unprepare routines, so that functionality is properly distributed across all the panel functions. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: ld9040: Add proper definition for prepare and unprepareAjay Kumar
Move out code from enable and disable routines to prepare and unprepare routines, so that functionality is properly distributed across all the panel functions. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/tegra: Add support for panel prepare and unprepare routinesAjay Kumar
Modify tegra output driver to support the new panel calls: prepare and unprepare. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/exynos: dsi: Add support for panel prepare and unprepare routinesAjay Kumar
Modify exynos_dsi driver to support the new panel calls: prepare and unprepare. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/exynos: dpi: Add support for panel prepare and unprepare routinesAjay Kumar
Modify exynos_dpi driver to support the new panel calls: prepare and unprepare. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Add dummy prepare and unprepare routinesAjay Kumar
This patch adds dummy definition for prepare and unprepare routines to simple panel driver. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: s6e8aa0: Add dummy prepare and unprepare routinesAjay Kumar
This patch adds dummy definition for prepare and unprepare routines to s6e8aa0 panel driver. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: ld9040: Add dummy prepare and unprepare routinesAjay Kumar
This patch adds dummy definition for prepare and unprepare routines to ld9040 panel driver. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: Provide convenience wrapper for .get_modes()Ajay Kumar
Add a convenience wrapper for the struct drm_panel_funcs' .get_modes() function so that not every driver needs to check that the panel driver implements the function before calling it. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> [treding: extract from larger patch, commit message] Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: add .prepare() and .unprepare() functionsAjay Kumar
Panels often require an initialization sequence that consists of three steps: a) powering up the panel, b) starting transmission of video data and c) enabling the panel (e.g. turn on backlight). This is usually necessary to avoid visual glitches at the beginning of video data transmission. Similarly, the shutdown sequence is typically done in three steps as well: a) disable the panel (e.g. turn off backlight), b) cease video data transmission and c) power down the panel. Currently drivers can only implement .enable() and .disable() functions, which is not enough to implement the above sequences. This commit adds a second pair of functions, .prepare() and .unprepare() to allow more fine-grained control over when the above steps are performed. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> [treding: rewrite changelog, add kerneldoc] Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Remove simple-panel compatibleThierry Reding
simple-panel is not a valid panel model, so there is no data (video timings, etc.) associated with it. Therefore drivers can't do anything useful with it, so it should not appear in the table of OF matches. Device trees will always need to specify the exact model of the panel. Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06drm/panel: simple: Add Innolux N116BGE panel supportThierry Reding
The Innolux N116BGE is an 11.6" WXGA TFT LCD panel connecting to an eDP interface and with an integrated LED backlight unit. It is used in the Tegra132 Norrin reference design. Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-08-06sound: oss: Remove typedefs wanc_info and wavnc_port_infoHimangi Saraogi
The Linux kernel coding style guidelines suggest not using typedefs for structure types. This patch gets rid of the typedefs for wanc_info and wavnc_port_info. A simplified version of the Coccinelle semantic patch that finds the case is: @tn@ identifier i; type td; @@ -typedef struct i { ... } -td ; @@ type tn.td; identifier tn.i; @@ -td + struct i Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-08-06sound: oss: uart401: Remove typedef uart401_devcHimangi Saraogi
The Linux kernel coding style guidelines suggest not using typedefs for structure types. This patch gets rid of the typedef for uart401_devc. The following Coccinelle semantic patch detects the case. @tn@ identifier i; type td; @@ -typedef struct i { ... } -td ; @@ type tn.td; identifier tn.i; @@ -td + struct i Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-08-06KVM: Move more code under CONFIG_HAVE_KVM_IRQFDPaolo Bonzini
Commits e4d57e1ee1ab (KVM: Move irq notifier implementation into eventfd.c, 2014-06-30) included the irq notifier code unconditionally in eventfd.c, while it was under CONFIG_HAVE_KVM_IRQCHIP before. Similarly, commit 297e21053a52 (KVM: Give IRQFD its own separate enabling Kconfig option, 2014-06-30) moved code from CONFIG_HAVE_IRQ_ROUTING to CONFIG_HAVE_KVM_IRQFD but forgot to move the pieces that used to be under CONFIG_HAVE_KVM_IRQCHIP. Together, this broke compilation without CONFIG_KVM_XICS. Fix by adding or changing the #ifdefs so that they point at CONFIG_HAVE_KVM_IRQFD. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-08-06powerpc: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06openrisc: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06mn10300: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06mips: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06microblaze: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06metag: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: James Hogan <james.hogan@imgtec.com>
2014-08-06m68k: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06m32r: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06hexagon: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06frv: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06cris: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06c6x: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Mark Salter <msalter@redhat.com>
2014-08-06blackfin: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Steven Miao <realmz6@gmail.com>
2014-08-06avr32: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
2014-08-06arm64: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06arc: Use sigsp()Richard Weinberger
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Vineet Gupta <vgupta@synopsys.com>
2014-08-06sas_ss_flags: Remove nested ternary ifRichard Weinberger
...to make it readable. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06Rip out get_signal_to_deliver()Richard Weinberger
Now we can turn get_signal() to the main function. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06Clean up signal_delivered()Richard Weinberger
- Pass a ksignal struct to it - Remove unused regs parameter - Make it private as it's nowhere outside of kernel/signal.c is used Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06tracehook_signal_handler: Remove sig, info, ka and regsRichard Weinberger
These parameters are nowhere used, so we can remove them. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06xtensa: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06unicore32: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06um: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06tile: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Chris Metcalf <cmetcalf@tilera.com>
2014-08-06sh: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06score: Use get_signal() signal_setup_done()Richard Weinberger
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Acked-by: Lennox Wu <lennox.wu@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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