diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-11-22 12:37:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-22 12:37:38 +0100 |
| commit | 02cb689b2c102178c83e763e4f34b3efe7f969e2 (patch) | |
| tree | cba7eb3f16487cef5dc4a2690686b1e2eb42af0c /lib | |
| parent | 194a6b5b9cb6b91a5f7d86984165a3bc55188599 (diff) | |
| parent | 3b404a519815b9820f73f1ecf404e5546c9270ba (diff) | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 3 | ||||
| -rw-r--r-- | lib/iov_iter.c | 4 | ||||
| -rw-r--r-- | lib/stackdepot.c | 2 |
3 files changed, 8 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index b01e547d4d04..a6c8db1d62f6 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1085,6 +1085,9 @@ config PROVE_LOCKING For more details, see Documentation/locking/lockdep-design.txt. +config PROVE_LOCKING_SMALL + bool + config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT diff --git a/lib/iov_iter.c b/lib/iov_iter.c index f0c7f1481bae..f2bd21b93dfc 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -683,10 +683,11 @@ static void pipe_advance(struct iov_iter *i, size_t size) struct pipe_inode_info *pipe = i->pipe; struct pipe_buffer *buf; int idx = i->idx; - size_t off = i->iov_offset; + size_t off = i->iov_offset, orig_sz; if (unlikely(i->count < size)) size = i->count; + orig_sz = size; if (size) { if (off) /* make it relative to the beginning of buffer */ @@ -713,6 +714,7 @@ static void pipe_advance(struct iov_iter *i, size_t size) pipe->nrbufs--; } } + i->count -= orig_sz; } void iov_iter_advance(struct iov_iter *i, size_t size) diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 4d830e299989..f87d138e9672 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -192,6 +192,7 @@ void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace) trace->entries = stack->entries; trace->skip = 0; } +EXPORT_SYMBOL_GPL(depot_fetch_stack); /** * depot_save_stack - save stack in a stack depot. @@ -283,3 +284,4 @@ exit: fast_exit: return retval; } +EXPORT_SYMBOL_GPL(depot_save_stack); |