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SubjectRe: [GIT PULL v3] Hyper-V commits for 5.0-rc
On Sun, Feb 24, 2019 at 09:17:10AM +0100, Greg KH wrote:
> On Sat, Feb 23, 2019 at 10:55:33AM -0500, Sasha Levin wrote:
> > On Sat, Feb 23, 2019 at 09:57:15AM +0100, Greg KH wrote:
> > > On Fri, Feb 22, 2019 at 10:12:25PM -0500, Sasha Levin wrote:
> > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > Hash: SHA512
> > > >
> > > > The following changes since commit 8834f5600cf3c8db365e18a3d5cac2c2780c81e5:
> > > >
> > > > Linux 5.0-rc5 (2019-02-03 13:48:04 -0800)
> > > >
> > > > are available in the Git repository at:
> > > >
> > > > git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git tags/hyperv-fixes-signed
> > > >
> > > > for you to fetch changes up to b2946cd86f3c1b5b1262c0ec06068110c2328fe6:
> > > >
> > > > MAINTAINERS: Change mailing list for Hyper-V CORE AND DRIVERS (2019-02-22 21:46:37 -0500)
> > > >
> > > > - ----------------------------------------------------------------
> > > > Two fixes:
> > > >
> > > > 1. A fix for a race condition reading sysfs entries while a device is
> > > > being added, by Kimberly Brown.
> > > >
> > > > 2. Update the Hyper-V mailing list to a new one created on
> > > > vger.kernel.org, by Haiyang Zhang.
> > > >
> > > > - ----------------------------------------------------------------
> > > > Haiyang Zhang (1):
> > > > MAINTAINERS: Change mailing list for Hyper-V CORE AND DRIVERS
> > > >
> > > > Kimberly Brown (2):
> > > > Drivers: hv: vmbus: Change server monitor_pages index to 0
> > > > Drivers: hv: vmbus: Return -EINVAL if monitor_allocated not set
> > >
> > > I objected to this last patch when it was posted on the list. The sysfs
> > > file should just not be present if the functionality is not there, no
> > > need to add the "-EINVAL" logic to it instead.
> > >
> > > Having a sysfs file that says it can be read, and then rejecting that
> > > read with an error is NOT ok.
> >
> > Hm, I'm sorry but I didn't see an objection on the thread
> > (https://lore.kernel.org/lkml/20190122020759.GA4054@ubu-Virtual-Machine/)
> > which is why it was sent in like this.
> >
> > Could you please point me to it so we can get the patch fixed up?
>
> My response was Message-ID: <20190219061748.GA5819@kroah.com> sent:
> Date: Tue, 19 Feb 2019 07:17:48 +0100
> but for some reason I do not see it on lore.kernel.org at all :(
>
> I don't know what happened to it, sorry, it was also cc: to you.
>
> Anyway, it just said what I said here, don't do this type of thing, if
> the sysfs file is not valid for a specific device, just do not create
> it, do not mess around with returning error values when trying to read
> from it.
>

I didn't receive that email either.

Thanks for the feedback. I'll start looking into a new fix for this.

Kim

> thanks,
>
> greg k-h

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