On Thu, Sep 30, 2021 at 07:51:35AM +0200, Greg Kroah-Hartman wrote: > On Thu, Sep 30, 2021 at 01:20:27PM +0800, Ming Lei wrote: > > Return if the device/kobject is really released to caller. > > > > One use case is scsi_device_put() and the scsi device's release handler > > runs async work to clean up things. We have to piggyback the module_put() > > into the async work for avoiding to touch unmapped module page. > > > > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> > > --- > > drivers/base/core.c | 5 +++-- > > include/linux/device.h | 2 +- > > include/linux/kobject.h | 2 +- > > lib/kobject.c | 5 +++-- > > 4 files changed, 8 insertions(+), 6 deletions(-) > > I really don't like this as you should not ever care if you are > releasing the last reference on an object or not. > > Why are you needing this? > > And if you really do need this, you MUST document how this works in the > apis you are changing here, so I can't take this as is sorry. Please ignore this series, and I have one better approach to address the issue, will send it out soon. Thanks, Ming
