linux-kernel - Re: [RFC PATCH v2 2/3] KVM: selftests: add selftest driver for KVM to test memory slots for MMIO BARs

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Message-ID: <20240112053446.cywurmvjebuavsf6@yy-desk-7060>
Date: Fri, 12 Jan 2024 13:34:46 +0800
From: Yuan Yao <yuan.yao@...ux.intel.com>
To: Yan Zhao <yan.y.zhao@...el.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org, pbonzini@...hat.com,
	seanjc@...gle.com, shuah@...nel.org, stevensd@...omium.org
Subject: Re: [RFC PATCH v2 2/3] KVM: selftests: add selftest driver for KVM
 to test memory slots for MMIO BARs

On Fri, Jan 12, 2024 at 08:21:29AM +0800, Yan Zhao wrote:
> On Wed, Jan 10, 2024 at 02:27:08PM +0800, Yuan Yao wrote:
> > > > Do you have plan to allow user to change the bar_size via IOCTL ?
> > > > If no "order" and "bar_size" can be removed.
> > > >
> > > Currently no. But this structure is private to the test driver.
> > > What the benefit to remove the two?
> >
> > It's useless so remove them makes code more easier to understand.
> Just my two cents:
> Keeping bar_size & order in a device structure is better than spreading
> macro BAR_SIZE everywhere and the code is more scalable.

yeah, that depends on the perspective, no big deal to me.
You can wait other's input.