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* Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds2013-02-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull microblaze update from Michal Simek: "Microblaze changes. After my discussion with Arnd I have also added there asm-generic io patch which is Acked by him and Geert." * 'next' of git://git.monstr.eu/linux-2.6-microblaze: asm-generic: io: Fix ioread16/32be and iowrite16/32be microblaze: Do not use module.h in files which are not modules microblaze: Fix coding style issues microblaze: Add missing return from debugfs_tlb microblaze: Makefile clean microblaze: Add .gitignore entries for auto-generated files microblaze: Fix strncpy_from_user macro
| * microblaze: Do not use module.h in files which are not modulesMichal Simek2013-02-12
| | | | | | | | | | | | | | | | | | Based on the patch: "lib: reduce the use of module.h wherever possible" (sha1: 8bc3bcc93a2b4e47d5d410146f6546bca6171663) fix all microblaze files which are not modules. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| * microblaze: Fix coding style issuesMichal Simek2013-02-12
| | | | | | | | | | | | Fix coding style issues reported by checkpatch.pl. Signed-off-by: Michal Simek <monstr@monstr.eu>
| * microblaze: Add missing return from debugfs_tlbMichal Simek2013-02-12
| | | | | | | | | | | | Function must return any value. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| * microblaze: Add .gitignore entries for auto-generated filesLars-Peter Clausen2013-02-12
| | | | | | | | | | | | Add .gitignore entries for files which are generated during the build process. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
* | Merge tag 'pm+acpi-fixes-3.9-rc1' of ↵Linus Torvalds2013-02-26
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - Fixes for blackfin and microblaze build problems introduced by the removal of global pm_idle. From Lars-Peter Clausen. - OPP core build fix from Shawn Guo. - Error condition check fix for the new imx6q-cpufreq driver from Wei Yongjun. - Fix for an AER driver crash related to the lack of APEI initialization for acpi=off. From Rafael J Wysocki. - Fix for a USB breakage on Thinkpad T430 related to ACPI power resources and PCI wakeup from Rafael J. Wysocki. * tag 'pm+acpi-fixes-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / PM: Take unusual configurations of power resources into account imx6q-cpufreq: fix return value check in imx6q_cpufreq_probe() PM / OPP: fix condition for empty of_init_opp_table() ACPI / APEI: Fix crash in apei_hest_parse() for acpi=off microblaze idle: Fix compile error blackfin idle: Fix compile error
| * | microblaze idle: Fix compile errorLars-Peter Clausen2013-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit def8203 ("microblaze idle: delete pm_idle") introduced the following compile error: arch/microblaze/kernel/process.c: In function 'cpu_idle': arch/microblaze/kernel/process.c:100: error: 'idle' undeclared (first use in this function) arch/microblaze/kernel/process.c:100: error: (Each undeclared identifier is reported only once arch/microblaze/kernel/process.c:100: error: for each function it appears in.) arch/microblaze/kernel/process.c:106: error: implicit declaration of function 'idle' This patch fixes it. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2013-02-23
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal handling cleanups from Al Viro: "This is the first pile; another one will come a bit later and will contain SYSCALL_DEFINE-related patches. - a bunch of signal-related syscalls (both native and compat) unified. - a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE (fixing several potential problems with missing argument validation, while we are at it) - a lot of now-pointless wrappers killed - a couple of architectures (cris and hexagon) forgot to save altstack settings into sigframe, even though they used the (uninitialized) values in sigreturn; fixed. - microblaze fixes for delivery of multiple signals arriving at once - saner set of helpers for signal delivery introduced, several architectures switched to using those." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits) x86: convert to ksignal sparc: convert to ksignal arm: switch to struct ksignal * passing alpha: pass k_sigaction and siginfo_t using ksignal pointer burying unused conditionals make do_sigaltstack() static arm64: switch to generic old sigaction() (compat-only) arm64: switch to generic compat rt_sigaction() arm64: switch compat to generic old sigsuspend arm64: switch to generic compat rt_sigqueueinfo() arm64: switch to generic compat rt_sigpending() arm64: switch to generic compat rt_sigprocmask() arm64: switch to generic sigaltstack sparc: switch to generic old sigsuspend sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE sparc: kill sign-extending wrappers for native syscalls kill sparc32_open() sparc: switch to use of generic old sigaction sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE mips: switch to generic sys_fork() and sys_clone() ...
| * | microblaze: remove debris in ptrace.cAl Viro2013-02-03
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: Move restart allowed out of blockMichal Simek2013-02-03
| | | | | | | | | | | | | | | | | | | | | Better not to break block which do work together. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: fix handling of multiple pending signalsAl Viro2013-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need to keep building sigframes until no pending signals remain. Wrap do_notify_resume() calls into loops; do _not_ allow syscall restart logics to trigger after the first iteration. Incidentally, comments about pending signals that should (somehow) be in r18 are pure BS. Doesn't work that way and cannot work that way, sorry... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: fix the horror with restarts of sigreturn()Al Viro2013-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | solution a-la arm one - pick a callee-saved register (r30), set it non-zero when entering a syscall, have sigreturn wrapper zero it out and pass the value in it to do_notify_resume() as "in_syscall" (actually, "restarts allowed") argument. Note that we don't give a damn about ret_from_fork() - return value is not restart-worthy anyway. Possible remaining bug: on !MMU we still have _debug_exception() restartable. If it hits with -ERESTART_... accidentally in r3, fun happens. MMU does _not_ have _debug_exception() restartable. If that's decided to be a bug (as I strongly suspect it to be), we'll just need to replace setting r30 to 1 with setting r30 to 0 in !MMU _debug_exception(). Up to microblaze maintainers... [folded a fix from Michal] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: evict the check for kernel_mode(regs) from do_notify_resume()Al Viro2013-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | Only one caller hasn't done it in assembler - work_pending on !MMU. Everything else can't reach do_notify_resume() if we are returning to kernel mode, so move that check to that sole caller and make do_notify_resume() reachable only when returning to userland. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: switch to generic sigaltstackAl Viro2013-02-03
| |/ | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* / microblaze idle: delete pm_idleLen Brown2013-02-17
|/ | | | | | | pm_idle on microblaze served no purpose. Signed-off-by: Len Brown <len.brown@intel.com> Cc: microblaze-uclinux@itee.uq.edu.au
* microblaze: Add finit_module syscallMichal Simek2013-01-03
| | | | | | Add finit_module syscall to the syscall list. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
* microblaze: signal: Declare do_notify_resumeMichal Simek2012-12-13
| | | | | | | | | | Fix sparse warning by declaration do_notify_resume function called from entry.S. Warning: arch/microblaze/kernel/signal.c:357:6: warning: symbol 'do_notify_resume' was not declared. Should it be static? Signed-off-by: Michal Simek <michal.simek@xilinx.com>
* microblaze: Add static qualifiersMichal Simek2012-12-13
| | | | | | | | | | | | | | | | Adding static to internal variables and functions. Sparse warnings: arch/microblaze/kernel/prom.c:55:6: warning: symbol 'stdout' was not declared. Should it be static? arch/microblaze/kernel/prom.c:57:12: warning: symbol 'early_init_dt_scan_chosen_serial' was not declared. Should it be static? CC arch/microblaze/kernel/prom.o arch/microblaze/kernel/intc.c:102:5: warning: symbol 'xintc_map' was not declared. Should it be static? CC arch/microblaze/kernel/intc.o Signed-off-by: Michal Simek <michal.simek@xilinx.com>
* microblaze: Wire-up new system call kcmpMichal Simek2012-12-13
| | | | | | Wire-up kcmp syscall. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
* microblaze: Fix intc_enable_or_unmask functionMichal Simek2012-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | Intc_enable_or_unmask() is called at the last stage of handle_level_irq(). This function enables the irq first (Write INTC.SIE) and clear ISR next (Write INTC.IAR). This would create problems that processor will get into a new interrupt as soon as SIE is written because the previous level interrupt has been captured by INTC. If the description bring some puzzles, here is the details of how interrupt is handled for MicroBlaze after Interrupt signal is detected: 1. disable INTC (INTC.CIE = 1) 2. Acknowledge INTC (INTC.IAR = 1) 3. gets into interrupt source's handler, for example, timer's handler 4. Timer is interrupt handler acknowledge Timer Interrupt Status (Timer.TCSR0[23] = 1), and return 5. Enable INTC (INTC.SIE = 1) 6. Acknowledge INTC (INTC.IAR = 1) INTC continue to capture source inputs even if INTC is disabled (INTC.IER == 1). So between the gap of step 2 and step 3, the level interrupt from source makes INTC captures a new interrupt and thus the INTC.ISR = 1 during step 3, 4, and 5. When INTC is enabled in step 5, INTC's interrupt output will go high immediately. In summary, the driver should issue step 6 before step 5. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
* microblaze: Remove passing the second arg to schedule_tailMichal Simek2012-12-13
| | | | Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Remove BIP from childregsMichal Simek2012-12-13
| | | | | | Not necessary to use BIP for protection. Signed-off-by: Michal Simek <monstr@monstr.eu>
* flagday: don't pass regs to copy_thread()Al Viro2012-11-28
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* microblaze: switch to generic fork/vfork/cloneAl Viro2012-11-28
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
*-. Merge branches 'no-rebases', 'arch-avr32', 'arch-blackfin', 'arch-cris', ↵Al Viro2012-11-28
|\ \ | | | | | | | | | 'arch-h8300', 'arch-m32r', 'arch-mn10300', 'arch-score', 'arch-sh' and 'arch-powerpc' into for-next
| * | microblaze: switch to generic sys_execve()Al Viro2012-11-16
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | microblaze: switch to generic kernel_execve()Al Viro2012-11-16
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| * | microblaze: switch to generic kernel_thread()Al Viro2012-11-16
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| * | microblaze: Fix bug with schedule_tailMichal Simek2012-11-15
| |/ | | | | | | Signed-off-by: Michal Simek <monstr@monstr.eu>
* / microblaze: rt_sigreturn is too trigger-happy about sigaltstack errorsAl Viro2012-11-28
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* vfs: define struct filename and have getname() return itJeff Layton2012-10-12
| | | | | | | | | | | | | | | | | | | | | | getname() is intended to copy pathname strings from userspace into a kernel buffer. The result is just a string in kernel space. It would however be quite helpful to be able to attach some ancillary info to the string. For instance, we could attach some audit-related info to reduce the amount of audit-related processing needed. When auditing is enabled, we could also call getname() on the string more than once and not need to recopy it from userspace. This patchset converts the getname()/putname() interfaces to return a struct instead of a string. For now, the struct just tracks the string in kernel space and the original userland pointer for it. Later, we'll add other information to the struct as it becomes convenient. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for-linus' of ↵Linus Torvalds2012-10-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull pile 2 of execve and kernel_thread unification work from Al Viro: "Stuff in there: kernel_thread/kernel_execve/sys_execve conversions for several more architectures plus assorted signal fixes and cleanups. There'll be more (in particular, real fixes for the alpha do_notify_resume() irq mess)..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (43 commits) alpha: don't open-code trace_report_syscall_{enter,exit} Uninclude linux/freezer.h m32r: trim masks avr32: trim masks tile: don't bother with SIGTRAP in setup_frame microblaze: don't bother with SIGTRAP in setup_rt_frame() mn10300: don't bother with SIGTRAP in setup_frame() frv: no need to raise SIGTRAP in setup_frame() x86: get rid of duplicate code in case of CONFIG_VM86 unicore32: remove pointless test h8300: trim _TIF_WORK_MASK parisc: decide whether to go to slow path (tracesys) based on thread flags parisc: don't bother looping in do_signal() parisc: fix double restarts bury the rest of TIF_IRET sanitize tsk_is_polling() bury _TIF_RESTORE_SIGMASK unicore32: unobfuscate _TIF_WORK_MASK mips: NOTIFY_RESUME is not needed in TIF masks mips: merge the identical "return from syscall" per-ABI code ... Conflicts: arch/arm/include/asm/thread_info.h
| * microblaze: don't bother with SIGTRAP in setup_rt_frame()Al Viro2012-10-01
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Revert "microblaze_mmu_v2: Update signal returning address"Michal Simek2012-10-04
| | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 8b28626a6b1522b39f75d0bf80d5dec23c931f5a. Offset -8 is wrong because when it is applied then one instruction before brki r14, 8 is called again when we return. Offset -4 is correct and brki instruction is called again. This change came from ancient MMU kernel. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Prefer to use pr_XXX instead of printk(KERN_XX)Michal Simek2012-10-04
| | | | | | | | | | | | Fix reset.c, timer.c, setup.c file. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Fix bug with passing command lineMichal Simek2012-10-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When u-boot passes control over to Linux it places the Linux command line between to the end of __init_end. When space between __init_end and __bss_start is not COMMAND_LINE_SIZE then the part of cmdline can be lost. In extreme case if __init_end == __bss_start u-boot can't pass any cmdline to Linux kernel. This patch fix this issue by copying cmd line directly to cmd_line char array which is placed in data section. Reported-by: David Mc Andrew <david.mcandrew@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Remove additional andi which has been already doneMichal Simek2012-10-04
| | | | | | | | | | | | Remove one additional step. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Use predefined macro for ESR_DIZMichal Simek2012-10-04
| | | | | | | | | | | | Just use macro instead of hardcoded value. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Support 4k/16k/64k pagesMichal Simek2012-10-04
| | | | | | | | | | | | | | | | Add support for page size which is supported by MMU. Remove 8k and 32k page size because they are not supported by MMU. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Do not used hardcoded value in exception handlerMichal Simek2012-10-04
| | | | | | | | | | | | Use predefined macros to support more page sizes. Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Added fdt chosen capability for timerMichal Simek2012-10-04
| | | | | | | | | | | | | | | | | | | | This lets a dts author flag a particular timer in the system as the system timer. If the chosen node contains a "system-timer=<&foo>" entry than that handle will be used to determine the system timer. In no such entry exists then the first found timer will be used (current behaviour). Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Improve failure handling for GPIO resetStephan Linz2012-10-04
|/ | | | | | | | | | | | | | | | | | | | | | | | | | Early exit from of_platform_reset_gpio_probe() if there was no GPIO reset line configured. Avoid kernel oops in gpio_system_reset(): [ 27.413294] Restarting system. [ 27.415674] Machine restart... [ 27.418787] Oops: kernel access of bad area, sig: 11 [ 27.423252] Registers dump: mode=83871D1C [ 27.427428] r1=00000000, r2=00000000, r3=FFFFFEF8, r4=00000000 [ 27.433310] r5=C026AED0, r6=00000001, r7=00000068, r8=00000000 [ 27.439189] r9=C3871DAC, r10=000011A5, r11=00000000, r12=0000000A [ 27.445318] r13=00000000, r14=0000000F, r15=C00029BC, r16=00000000 [ 27.451558] r17=C011DE8C, r18=80000115, r19=0000000F, r20=48184ED8 [ 27.457770] r21=00000000, r22=FFFFFFEA, r23=00000001, r24=FEE1DEAD [ 27.463982] r25=00000054, r26=1000B1C8, r27=00000000, r28=00000000 [ 27.470208] r29=00000000, r30=00000000, r31=C32D30C0, rPC=C011DE8C [ 27.476433] msr=000042A2, ear=0000004B, esr=00000872, fsr=342E3732 And remove useless dump_stack from machine_restart. Signed-off-by: Stephan Linz <linz@li-pro.net> Signed-off-by: Michal Simek <monstr@monstr.eu>
* mtd/uclinux: Use generic __bss_stop instead of _ebssGeert Uytterhoeven2012-06-27
| | | | | | | | | | | | | The standard (see BSS_SECTION() in <asm-generic/vmlinux.lds.h> and <asm-generic/sections.h>) symbol for the end of BSS is __bss_stop. This allows to remove all local declarations that have been added to several architectures just to please CONFIG_MTD_UCLINUX. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Greg Ungerer <gerg@uclinux.org>
* new helper: signal_delivered()Al Viro2012-06-01
| | | | | | | | | | | | | | Does block_sigmask() + tracehook_signal_handler(); called when sigframe has been successfully built. All architectures converted to it; block_sigmask() itself is gone now (merged into this one). I'm still not too happy with the signature, but that's a separate story (IMO we need a structure that would contain signal number + siginfo + k_sigaction, so that get_signal_to_deliver() would fill one, signal_delivered(), handle_signal() and probably setup...frame() - take one). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from setAl Viro2012-06-01
| | | | | | | | Only 3 out of 63 do not. Renamed the current variant to __set_current_blocked(), added set_current_blocked() that will exclude unblockable signals, switched open-coded instances to it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* pull clearing RESTORE_SIGMASK into block_sigmask()Al Viro2012-06-01
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* new helper: sigmask_to_save()Al Viro2012-06-01
| | | | | | | replace boilerplate "should we use ->saved_sigmask or ->blocked?" with calls of obvious inlined helper... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* new helper: restore_saved_sigmask()Al Viro2012-06-01
| | | | | | | | | first fruits of ..._restore_sigmask() helpers: now we can take boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK and restore the blocked mask from ->saved_mask" into a common helper. Open-coded instances switched... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for-linus' of ↵Linus Torvalds2012-05-31
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull second pile of signal handling patches from Al Viro: "This one is just task_work_add() series + remaining prereqs for it. There probably will be another pull request from that tree this cycle - at least for helpers, to get them out of the way for per-arch fixes remaining in the tree." Fix trivial conflict in kernel/irq/manage.c: the merge of Andrew's pile had brought in commit 97fd75b7b8e0 ("kernel/irq/manage.c: use the pr_foo() infrastructure to prefix printks") which changed one of the pr_err() calls that this merge moves around. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: keys: kill task_struct->replacement_session_keyring keys: kill the dummy key_replace_session_keyring() keys: change keyctl_session_to_parent() to use task_work_add() genirq: reimplement exit_irq_thread() hook via task_work_add() task_work_add: generic process-context callbacks avr32: missed _TIF_NOTIFY_RESUME on one of do_notify_resume callers parisc: need to check NOTIFY_RESUME when exiting from syscall move key_repace_session_keyring() into tracehook_notify_resume() TIF_NOTIFY_RESUME is defined on all targets now
| * move key_repace_session_keyring() into tracehook_notify_resume()Al Viro2012-05-23
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>