On Tue, Nov 22, 2016 at 07:35:34PM +0300, Andrey Ryabinin wrote:
> This one is wrong. We still can call vfree() from interrupt context.
> So WARN_ON_ONCE(in_atomic() && !in_interrupt()) would be correct,
> but also redundant. DEBUG_ATOMIC_SLEEP=y should catch illegal vfree() calls.
> Let's just dro
On 11/18/2016 04:03 PM, Christoph Hellwig wrote:
> We can't handle vfree itself from atomic context, but callers
> can explicitly use vfree_atomic instead, which defers the actual
> vfree to a workqueue. Unfortunately in_atomic does not work
> on non-preemptible kernels, so we can't just do the ri
We can't handle vfree itself from atomic context, but callers
can explicitly use vfree_atomic instead, which defers the actual
vfree to a workqueue. Unfortunately in_atomic does not work
on non-preemptible kernels, so we can't just do the right thing
by default.
Signed-off-by: Christoph Hellwig
3 matches
Mail list logo
