- 16 4月, 2015 2 次提交
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由 Joe Perches 提交于
The seq_printf return value, because it's frequently misused, will eventually be converted to void. See: commit 1f33c41c ("seq_file: Rename seq_overflow() to seq_has_overflowed() and make public") Miscellanea: o Coalesce formats, realign arguments Signed-off-by: NJoe Perches <joe@perches.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Joe Perches 提交于
The seq_printf return value, because it's frequently misused, will eventually be converted to void. See: commit 1f33c41c ("seq_file: Rename seq_overflow() to seq_has_overflowed() and make public") Signed-off-by: NJoe Perches <joe@perches.com> Acked-by: NJesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 13 4月, 2015 1 次提交
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由 Richard Weinberger 提交于
Signed-off-by: NRichard Weinberger <richard@nod.at>
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- 25 3月, 2015 8 次提交
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由 Rabin Vincent 提交于
Provide a fast sched clock using the free-running timer and the generic sched_clock infrastructure. Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
Use a generic MMIO clocksource and get rid of some lines of code. Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
Implement a oneshot-capable clockevents device so we get support for things like hrtimers and NOHZ. Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
The CRIS SMP code cannot be built since there is no (and appears to never have been) a CONFIG_SMP Kconfig option in arch/cris/. Remove it. Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
Al Viro noted that CRIS fails to handle multiple signals. This fixes the problem for CRISv32 by making it use a C work_pending handling loop similar to the ARM implementation in 0a267fa6 ("ARM: 7472/1: pull all work_pending logics into C function"). This also happens to fixes the warnings which currently trigger on CRISv32 due to do_signal() being called with interrupts disabled. Test case (should die of the SIGSEGV which gets raised when setting up the stack for SIGALRM, but instead reaches and executes the _exit(1)): #include <unistd.h> #include <signal.h> #include <sys/time.h> #include <err.h> static void handler(int sig) { } int main(int argc, char *argv[]) { int ret; struct itimerval t1 = { .it_value = {1} }; stack_t ss = { .ss_sp = NULL, .ss_size = SIGSTKSZ, }; struct sigaction action = { .sa_handler = handler, .sa_flags = SA_ONSTACK, }; ret = sigaltstack(&ss, NULL); if (ret < 0) err(1, "sigaltstack"); sigaction(SIGALRM, &action, NULL); setitimer(ITIMER_REAL, &t1, NULL); pause(); _exit(1); return 0; } Reported-by: NAl Viro <viro@ZenIV.linux.org.uk> Link: http://lkml.kernel.org/r/20121208074429.GC4939@ZenIV.linux.org.ukSigned-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
Al Viro noted that CRIS is vulnerable to bogus restarts on sigreturn. The fixes CRISv32 by using regs->exs as an additional indicator to whether we should attempt to restart the syscall or not. EXS is only used in the sigtrap handling, and in that path we already have r9 (the other indicator, which indicates if we're in a syscall or not) cleared. Test case, a port of Al's ARM version from 653d48b2 ("arm: fix really nasty sigreturn bug"): #include <unistd.h> #include <signal.h> #include <stdlib.h> #include <sys/time.h> #include <errno.h> void f(int n) { register int r10 asm ("r10") = n; __asm__ __volatile__( "ba 1f \n" "nop \n" "break 8 \n" "1: ba . \n" "nop \n" : : "r" (r10) : "memory"); } void handler1(int sig) { } void handler2(int sig) { raise(1); } void handler3(int sig) { exit(0); } int main(int argc, char *argv[]) { struct sigaction s = {.sa_handler = handler2}; struct itimerval t1 = { .it_value = {1} }; struct itimerval t2 = { .it_value = {2} }; signal(1, handler1); sigemptyset(&s.sa_mask); sigaddset(&s.sa_mask, 1); sigaction(SIGALRM, &s, NULL); signal(SIGVTALRM, handler3); setitimer(ITIMER_REAL, &t1, NULL); setitimer(ITIMER_VIRTUAL, &t2, NULL); f(-513); /* -ERESTARTNOINTR */ return 0; } Reported-by: NAl Viro <viro@ZenIV.linux.org.uk> Link: http://lkml.kernel.org/r/20121208074429.GC4939@ZenIV.linux.org.ukSigned-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
r9 is used to determine whether syscall restarting must be performed or not. Unfortunately, r9 is never set to zero in the non-syscall path, and r9 is on top of that a callee-saved register which can be set to non-zero by the C functions that are called during IRQ handling. This means that if r10 (used for the syscall return value) is one of the -ERESTART* values when a hardware interrupt occurs which leads to a signal being delivered to the process, the kernel will "restart" a syscall which never occurred. This will lead to the PC being moved back by 2 on return to user space. Fix the problem by setting r9 to zero in the interrupt path. Test case (should loop forever but ends up executing the break 8 trap instruction): #include <signal.h> #include <stdlib.h> #include <sys/time.h> void f(int n) { register int r9 asm ("r9") = 1; register int r10 asm ("r10") = n; __asm__ __volatile__( "ba 1f \n" "nop \n" "break 8 \n" "1: ba . \n" "nop \n" : : "r" (r9), "r" (r10) : "memory"); } void handler1(int sig) { } int main(int argc, char *argv[]) { struct itimerval t1 = { .it_value = {1} }; signal(SIGALRM, handler1); setitimer(ITIMER_REAL, &t1, NULL); f(-513); /* -ERESTARTNOINTR */ return 0; } Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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由 Rabin Vincent 提交于
Add support for IRQ domains to the CRISv32 interrupt controller. Signed-off-by: NRabin Vincent <rabin@rab.in> Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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- 15 2月, 2015 1 次提交
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由 Masanari Iida 提交于
Remove unnecessary KERN_INFO in sync_serial.c Signed-off-by: NMasanari Iida <standby24x7@gmail.com> Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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- 13 2月, 2015 1 次提交
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由 Andy Lutomirski 提交于
If an attacker can cause a controlled kernel stack overflow, overwriting the restart block is a very juicy exploit target. This is because the restart_block is held in the same memory allocation as the kernel stack. Moving the restart block to struct task_struct prevents this exploit by making the restart_block harder to locate. Note that there are other fields in thread_info that are also easy targets, at least on some architectures. It's also a decent simplification, since the restart code is more or less identical on all architectures. [james.hogan@imgtec.com: metag: align thread_info::supervisor_stack] Signed-off-by: NAndy Lutomirski <luto@amacapital.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: David Miller <davem@davemloft.net> Acked-by: NRichard Weinberger <richard@nod.at> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Steven Miao <realmz6@gmail.com> Cc: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Tested-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Chen Liqin <liqin.linux@gmail.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Chris Metcalf <cmetcalf@ezchip.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: NJames Hogan <james.hogan@imgtec.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 29 1月, 2015 1 次提交
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由 Jesper Nilsson 提交于
Avoids the warning about: warning: 'bite_in_progress' defined but not used [-Wunused-variable] Variable is only used if the Kconfig CONFIG_ETRAX_WATCHDOG_NICE_DOGGY is set. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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- 20 1月, 2015 1 次提交
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由 David Howells 提交于
Convert file->f_dentry->d_inode to file_inode() so as to get layered filesystems right. Found with: git grep '[.>]f_dentry' Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 20 12月, 2014 10 次提交
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由 Jesper Nilsson 提交于
There are no users of this symbol left. Reported-by: NPaul Bolle <pebolle@tiscali.nl> Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Move pinmux alloc/dealloc code into functions that don't take the spinlock so we can use from code that has the spinlock already. CRISv32 has no working SMP, so spinlocks becomes a NOP, so deadlock was never seen. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Fixes compile error on allmodconfig. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Drop i2c_init from this header, it was declared non-static here, but static in the C-file. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Make driver possible to load as a module and try to handle locking better. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Don't enter watchdog handling if we're already in watchdog handling. Also some minor formatting tweaks. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
strcmp was lost when all other string functions were removed, but we still have an optimized version for this on CRISv32, so any driver built as a module would not have access to this symbol. In a similar manner, we had optimized versions of csum_partial_copy_from_user and __do_clear_user but no exported symbols for them, breaking bunch of other drivers when built as a module. At the same time, move EXPORT_SYMBOL(__copy_user) and EXPORT_SYMBOL(__copy_user_zeroing) C-files so it's located together with the function definition. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
Fixes the following compile error. arch/cris/arch-v32/kernel/time.c: In function 'reset_watchdog': arch/cris/arch-v32/kernel/time.c:121:2: error: implicit declaration of function 'global_page_state' Signed-off-by: NGuenter Roeck <linux@roeck-us.net> Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Jesper Nilsson 提交于
File was already deleted. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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- 19 9月, 2014 1 次提交
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由 Kirill Tkhai 提交于
schedule(), io_schedule() and schedule_timeout() always return with TASK_RUNNING state set, so one more setting is unnecessary. (All places in patch are visible good, only exception is kiblnd_scheduler() from: drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c Its schedule() is one line above standard 3 lines of unified diff) No places where set_current_state() is used for mb(). Signed-off-by: NKirill Tkhai <ktkhai@parallels.com> Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/1410529254.3569.23.camel@tkhai Cc: Alasdair Kergon <agk@redhat.com> Cc: Anil Belur <askb23@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: David Airlie <airlied@linux.ie> Cc: David Howells <dhowells@redhat.com> Cc: Dmitry Eremin <dmitry.eremin@intel.com> Cc: Frank Blaschka <blaschka@linux.vnet.ibm.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Isaac Huang <he.huang@intel.com> Cc: James E.J. Bottomley <JBottomley@parallels.com> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Laura Abbott <lauraa@codeaurora.org> Cc: Liang Zhen <liang.zhen@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Masaru Nomura <massa.nomura@gmail.com> Cc: Michael Opdenacker <michael.opdenacker@free-electrons.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: Neil Brown <neilb@suse.de> Cc: Oleg Drokin <green@linuxhacker.ru> Cc: Peng Tao <bergwolf@gmail.com> Cc: Richard Weinberger <richard@nod.at> Cc: Robert Love <robert.w.love@intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Trond Myklebust <trond.myklebust@primarydata.com> Cc: Ursula Braun <ursula.braun@de.ibm.com> Cc: Zi Shen Lim <zlim.lnx@gmail.com> Cc: devel@driverdev.osuosl.org Cc: dm-devel@redhat.com Cc: dri-devel@lists.freedesktop.org Cc: fcoe-devel@open-fcoe.org Cc: jfs-discussion@lists.sourceforge.net Cc: linux390@de.ibm.com Cc: linux-afs@lists.infradead.org Cc: linux-cris-kernel@axis.com Cc: linux-kernel@vger.kernel.org Cc: linux-nfs@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-raid@vger.kernel.org Cc: linux-s390@vger.kernel.org Cc: linux-scsi@vger.kernel.org Cc: qla2xxx-upstream@qlogic.com Cc: user-mode-linux-devel@lists.sourceforge.net Cc: user-mode-linux-user@lists.sourceforge.net Signed-off-by: NIngo Molnar <mingo@kernel.org>
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- 06 8月, 2014 2 次提交
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由 Richard Weinberger 提交于
Use sigsp() instead of the open coded variant. Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Richard Weinberger 提交于
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: NRichard Weinberger <richard@nod.at>
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- 07 6月, 2014 1 次提交
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由 Geert Uytterhoeven 提交于
As of commit 8dc7c5ec ("cris: Use generic idle loop"), cris no longer provides cpu_idle(). - On cris-v10, etrax_gpio_wake_up_check() is called from default_idle() instead of cpu_idle(), - On cris-v32, etrax_gpio_wake_up_check() is not called from default_idle(), so remove this (copy-and-paste?) part. Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: NJesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 20 2月, 2014 1 次提交
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由 Paul Bolle 提交于
A number of Kconfig entries default to (uppercase) "N". It was clearly intended to use "default n". But since (lowercase) "n" is the default anyway, these lines might as well be removed. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 25 1月, 2014 1 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 09 1月, 2014 2 次提交
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由 Jesper Nilsson 提交于
Complete list of syscalls for CRISv10 and CRISv32. Clean up some whitespace at the same time. Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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由 Arnd Bergmann 提交于
sleep_on and its variants are racy and going away. This replaces the two uses in the cris sync_serial drivers with the equivalent but race-free wait_event_interruptible. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Cc: Mikael Starvik <starvik@axis.com> Cc: linux-cris-kernel@axis.com Signed-off-by: NJesper Nilsson <jespern@axis.com>
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- 08 1月, 2014 1 次提交
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由 Michael Opdenacker 提交于
This patch proposes to remove the IRQF_DISABLED flag from CRIS architecture code. It's a NOOP since 2.6.35 and it will be removed one day. Comments mentioning IRQF_DISABLED are also updated, knowing that all interrupts are now "fast interrupts", their handlers running with interrupts disabled. Don't hesitate to let me know if you have other ways of rephrasing the comments! This is an update for 3.11 of a patch already sent for 3.10 Signed-off-by: NMichael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by: NJesper Nilsson <jespern@axis.com>
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- 10 9月, 2013 1 次提交
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由 Paul Bolle 提交于
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Signed-off-by: NJesper Nilsson <jesper.nilsson@axis.com>
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- 15 7月, 2013 1 次提交
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由 Paul Gortmaker 提交于
The __cpuinit type of throwaway sections might have made sense some time ago when RAM was more constrained, but now the savings do not offset the cost and complications. For example, the fix in commit 5e427ec2 ("x86: Fix bit corruption at CPU resume time") is a good example of the nasty type of bugs that can be created with improper use of the various __init prefixes. After a discussion on LKML[1] it was decided that cpuinit should go the way of devinit and be phased out. Once all the users are gone, we can then finally remove the macros themselves from linux/init.h. Note that some harmless section mismatch warnings may result, since notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) are flagged as __cpuinit -- so if we remove the __cpuinit from arch specific callers, we will also get section mismatch warnings. As an intermediate step, we intend to turn the linux/init.h cpuinit content into no-ops as early as possible, since that will get rid of these warnings. In any case, they are temporary and harmless. This removes all the arch/cris uses of the __cpuinit macros from all C files. Currently cris does not have any __CPUINIT used in assembly files. [1] https://lkml.org/lkml/2013/5/20/589 Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: linux-cris-kernel@axis.com Acked-by: NJesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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- 20 6月, 2013 2 次提交
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由 Ben Hutchings 提交于
ETRAX_ETHERNET selects ETHERNET and MII, which depend on NETDEVICES. I don't think anything should select NETDEVICES, so make it a dependency. It also doesn't need to select or depend on ETHERNET, which has nothing to do with the Ethernet library functions. BPCTL selects MII, which depends on NETDEVICES. But everything in the drivers/staging/silicom directory is related to net devices, so make NET_VENDOR_SILICOM depend on NETDEVICES and remove the now-redundant dependencies on NET. Signed-off-by: NBen Hutchings <ben@decadent.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ben Hutchings 提交于
All drivers that select MII also need to select NET_CORE because MII depends on it. This is a bit ridiculous because NET_CORE is just a menu option that doesn't enable any code by itself. There is also no need for it to be a visible option, since its users all select it. Signed-off-by: NBen Hutchings <ben@decadent.org.uk> Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 6月, 2013 1 次提交
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由 Geert Uytterhoeven 提交于
allmodconfig: drivers/video/console/fonts.c:71:2: error: #error No fonts configured. This is caused by cris not using the generic drivers/Kconfig, and thus not traversing drivers/video/console/Kconfig. As the build system does traverse drivers/video/console/Makefile, fonts.c was compiled with an inconsistent configuration. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
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- 04 6月, 2013 1 次提交
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由 Stephen Rothwell 提交于
Ever since commit 45f035ab ("CONFIG_HOTPLUG should be always on"), it has been basically impossible to build a kernel with CONFIG_HOTPLUG turned off. Remove all the remaining references to it. Cc: Russell King <linux@arm.linux.org.uk> Cc: Doug Thompson <dougthompson@xmission.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NMauro Carvalho Chehab <mchehab@redhat.com> Acked-by: NHans Verkuil <hans.verkuil@cisco.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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