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2017-06-05tools/lib/lockdep: Remove private kernel headersLevin, Alexander (Sasha Levin)1-61/+0
Move to using tools/include/ instead. Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@redhat.com Link: http://lkml.kernel.org/r/20170531003747.10557-2-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-05tools/lib/lockdep: Add dummy current_gfp_context()Levin, Alexander (Sasha Levin)1-0/+3
Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Cc: ben@decadent.org.uk Link: http://lkml.kernel.org/r/20170525130005.5947-21-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-05tools/lib/lockdep: Include err.hLevin, Alexander (Sasha Levin)1-0/+1
This provides PTR_ERR() now used by lockdep. Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Cc: ben@decadent.org.uk Link: http://lkml.kernel.org/r/20170525130005.5947-18-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-05tools/lib/lockdep: Fix compilation for 4.11Levin, Alexander (Sasha Levin)1-0/+2
- More rcu stubs - New dummy headers due to sched header split - jhash2 included in due to kernel lockdep inclusion and usage Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Cc: ben@decadent.org.uk Link: http://lkml.kernel.org/r/20170525130005.5947-13-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-05tools/lib/lockdep: Fix 'unused value' warningsBen Hutchings1-3/+9
liblockdep defines various macros that may expand to an expression with no effect, while the in-kernel definition does have an effect. This results in warnings from gcc when -Wunused-value is enabled, and is is enabled by -Wall. Fix this by introducing trivial functions, as function return values are generally allowed to be ignored. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Link: http://lkml.kernel.org/r/20170525130005.5947-6-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-05tools/lib/lockdep: Define the ARRAY_SIZE() macroBen Hutchings1-0/+2
lockdep.c now uses ARRAY_SIZE(). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Fixes: 75dd602a5198 ("lockdep: Fix lock_chain::base size") Link: http://lkml.kernel.org/r/20170525130005.5947-4-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-25tools/liblockdep: Correct macro for WARNSasha Levin1-1/+1
As Peter Zijlstra pointed out, the varargs for WARN() are optional, so we need to correctly handle the case where they don't exist. This would cause a compilation error. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1440479985-6696-2-git-send-email-sasha.levin@oracle.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-05-13tools/liblockdep: Fix compilation errorEunbong Song1-0/+3
Recent changes to kernel/locking/lockdep.c broke the liblockdep build. Fix that. Signed-off-by: Eunbong Song <eunb.song@samsung.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
2013-11-27liblockdep: Wrap kernel/locking/lockdep.c to allow usage from userspaceSasha Levin1-0/+44
kernel/locking/lockdep.c deals with validating locking scenarios for various architectures supported by the kernel. There isn't anything kernel specific going on in lockdep, and when we compare userspace to other architectures that don't have to deal with irqs such as s390, they become all too similar. We wrap kernel/locking/lockdep.c and include/linux/lockdep.h with several headers which allow us to build and use lockdep from userspace. We don't touch the kernel code itself which means that any work done on lockdep in the kernel will automatically benefit userspace lockdep as well! Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: torvalds@linux-foundation.org Link: http://lkml.kernel.org/r/1371163284-6346-3-git-send-email-sasha.levin@oracle.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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