Messages in this thread | | | Date | Sat, 10 Aug 2019 19:23:17 +0200 | From | Greg KH <> | Subject | Re: [PATCH] habanalabs: print to kernel log when reset is finished |
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On Sat, Aug 10, 2019 at 06:29:16PM +0300, Oded Gabbay wrote: > On Sat, Aug 10, 2019 at 3:53 PM Greg KH <gregkh@linuxfoundation.org> wrote: > > > > On Sat, Aug 10, 2019 at 03:38:08PM +0300, Oded Gabbay wrote: > > > Now that we don't print the queue testing messages, we need to print when > > > the reset is finished so whoever looks at the kernel log will know the > > > reset process was finished successfully and the driver is not stuck. > > > > > > Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> > > > --- > > > drivers/misc/habanalabs/device.c | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/drivers/misc/habanalabs/device.c b/drivers/misc/habanalabs/device.c > > > index 9a5926888b99..1fac808c2546 100644 > > > --- a/drivers/misc/habanalabs/device.c > > > +++ b/drivers/misc/habanalabs/device.c > > > @@ -907,6 +907,8 @@ int hl_device_reset(struct hl_device *hdev, bool hard_reset, > > > else > > > hdev->soft_reset_cnt++; > > > > > > + dev_info(hdev->dev, "Successfully finished resetting the device\n"); > > > > Really? For doing things "properly" there is no need to spam the kernel > > log. Only spit stuff out if an error happens. > > > > thanks, > > > > greg k-h > > I beg to differ for two reasons: > 1. Reset happens very rarely, if at all. So this message (that get > printed after reset is done) will definitely not spam the kernel log. > 2. When a reset starts we print an appropriate error message. I think > it is expected by the user that we will also print if and when the > reset has finished successfully. I really believe that lack of this > printing might be deceiving for users.
How is anyone going to parse the kernel log for anything to know if something happens?
How do you trigger a reset? Is it done by userspace? If so, just notify them then.
thanks,
greg k-h
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