On Tue, Mar 24, 2015 at 6:20 PM, Xie, Huawei <huawei.xie at intel.com> wrote:
> On 3/24/2015 7:10 PM, Pavel Boldin wrote: > > > On Tue, Mar 24, 2015 at 8:28 AM, Xie, Huawei <huawei.xie at intel.com<mailto: > huawei.xie at intel.com>> wrote: > On 3/23/2015 8:54 PM, Pavel Boldin wrote: > > Due to increased `struct file's reference counter subsequent call > > to `filp_close' does not free the `struct file'. Prepend `fput' call > > to decrease the reference counter. > > > > Signed-off-by: Pavel Boldin <pboldin at mirantis.com<mailto: > pboldin at mirantis.com>> > > --- > > lib/librte_vhost/eventfd_link/eventfd_link.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/lib/librte_vhost/eventfd_link/eventfd_link.c > b/lib/librte_vhost/eventfd_link/eventfd_link.c > > index 7755dd6..62c45c8 100644 > > --- a/lib/librte_vhost/eventfd_link/eventfd_link.c > > +++ b/lib/librte_vhost/eventfd_link/eventfd_link.c > > @@ -117,6 +117,7 @@ eventfd_link_ioctl(struct file *f, unsigned int > ioctl, unsigned long arg) > > * Release the existing eventfd in the source process > > */ > > spin_lock(&files->file_lock); > > + fput(file); > > filp_close(file, files); > > fdt = files_fdtable(files); > > fdt->fd[eventfd_copy.source_fd] = NULL; > Acked-by Huawei Xie <huawei.xie at intel.com<mailto:huawei.xie at intel.com>> > > In future, we should remove the allocation of src eventfd, allocate a > free fd from kernel, and install it with target fd. > > Well, I don't think this is correct, because this will put too much job > for the kernel module making it a combiner. > > At the moment I propose to accept module refactoring patch to the upstream. > > After that the module can be reworked along with the application code. The > reason is I can't work on DPDK since I have no hardware to test application > at so I can't help with patch that touches application code. > > Pavel > Pavel: > I am not asking to do it right now but in future, and i agree we accept > the refactoring patch now, so i ack the patch. > Huawei, this is the refactoring patch [1]. This patch is merely a bugfix. [1] http://dpdk.org/dev/patchwork/patch/4113/ > Huawei >
