Messages in this thread | | | Date | Wed, 12 Oct 2022 21:15:15 -0700 | From | Saurabh Singh Sengar <> | Subject | Re: [PATCH] uio_hv_generic: Enable support for slower vmbus device channels |
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On Wed, Oct 12, 2022 at 05:54:07PM +0200, Greg KH wrote: > On Wed, Oct 12, 2022 at 05:52:05PM +0200, Greg KH wrote: > > On Wed, Oct 12, 2022 at 04:56:46AM -0700, Saurabh Sengar wrote: > > > This patch enables support for slower vmbus channels, which consist > > > of following 3 changes : > > > 1. Support for hypercalls > > > 2. Module params for recv/send buffer sizes > > > 3. Module param for custom ring buffer sizes > > > > Even if this all was ok, you are doing 3 things all in one change, > > that's not allowed at all, you all know this. > > > > Anyway, no new module parameters, this is not the 1990's, we have much > > better ways to do this properly (hint, module parameters modify code, > > you want to modify the options of a specific device.) > > Also, you give no good reason for why this is needed at all, nor how > anyone would use these options and why they would need to. > > The kernel should "just work" and not require manual intervention by a > user. Dynamically fix this based on the device, do NOT force a user to > have to attempt to "tune" anything, that will never work properly over > time, AND you are being lazy and forcing each individual user to do the > work, making more effort needed overall than just doing it properly in > the kernel.
Let me find a method if we can avoid using module parameters, this may result in hardcoding values in the vmbus driver code for various devices, giving less flexibilty to user. Meanwhile I figure out this, we can go ahead with "support for hypercalls", I will send a new patch for it.
Regards, Saurabh
> > thanks, > > greg k-h
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