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From: Paolo Bonzini <pbonzini@redhat.com>
To: Christoffer Dall <christoffer.dall@linaro.org>,
	Mario Smarduch <m.smarduch@samsung.com>
Cc: kvmarm@lists.cs.columbia.edu, marc.zyngier@arm.com,
	xiaoguangrong@linux.vnet.ibm.com, steve.capper@arm.com,
	kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	gavin.guo@canonical.com, peter.maydell@linaro.org,
	jays.lee@samsung.com, sungjinn.chung@samsung.com
Subject: Re: [RESEND PATCH v7 3/4] arm: dirty log write protect management support
Date: Fri, 04 Jul 2014 18:29:31 +0200	[thread overview]
Message-ID: <53B6D66B.9070608@redhat.com> (raw)
In-Reply-To: <20140703150401.GE20104@cbox>

Il 03/07/2014 17:04, Christoffer Dall ha scritto:
> Hmmm, I'm really not an expert in the 'established procedures' for what
> to put in config files etc., but here's my basic take:
>
> a) you wouldn't put a config option in Kconfig unless it's comething
> that's actually configurable or some generic feature/subsystem that
> should only be enabled if hardware has certain capabilities or other
> config options enabled.
>
> b) this seems entirely an implementation issue and not depending on
> anything users should select.

Actually I think Mario's idea is just fine.  Non-user-accessible Kconfig 
symbols are used a lot to invoke an #ifdef elsewhere in the code; 
compare this with his proposal is a bit different but not too much.

Sometimes #defines are used, sometimes Kconfig symbols, but the idea is 
the same.

Paolo

WARNING: multiple messages have this Message-ID (diff)
From: pbonzini@redhat.com (Paolo Bonzini)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND PATCH v7 3/4] arm: dirty log write protect management support
Date: Fri, 04 Jul 2014 18:29:31 +0200	[thread overview]
Message-ID: <53B6D66B.9070608@redhat.com> (raw)
In-Reply-To: <20140703150401.GE20104@cbox>

Il 03/07/2014 17:04, Christoffer Dall ha scritto:
> Hmmm, I'm really not an expert in the 'established procedures' for what
> to put in config files etc., but here's my basic take:
>
> a) you wouldn't put a config option in Kconfig unless it's comething
> that's actually configurable or some generic feature/subsystem that
> should only be enabled if hardware has certain capabilities or other
> config options enabled.
>
> b) this seems entirely an implementation issue and not depending on
> anything users should select.

Actually I think Mario's idea is just fine.  Non-user-accessible Kconfig 
symbols are used a lot to invoke an #ifdef elsewhere in the code; 
compare this with his proposal is a bit different but not too much.

Sometimes #defines are used, sometimes Kconfig symbols, but the idea is 
the same.

Paolo

  reply	other threads:[~2014-07-04 16:30 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-03 23:19 [PATCH v7 0/4] arm: dirty page logging support for ARMv7 Mario Smarduch
2014-06-03 23:19 ` Mario Smarduch
2014-06-03 23:19 ` [PATCH v7 1/4] arm: add ARMv7 HYP API to flush VM TLBs without address param Mario Smarduch
2014-06-03 23:19   ` Mario Smarduch
2014-06-08 12:05   ` Christoffer Dall
2014-06-08 12:05     ` Christoffer Dall
2014-06-09 17:06     ` Mario Smarduch
2014-06-09 17:06       ` Mario Smarduch
2014-06-09 17:49       ` Christoffer Dall
2014-06-09 17:49         ` Christoffer Dall
2014-06-09 18:36         ` Mario Smarduch
2014-06-09 18:36           ` Mario Smarduch
2014-06-03 23:19 ` [PATCH v7 2/4] arm: dirty page logging inital mem region write protect (w/no huge PUD support) Mario Smarduch
2014-06-03 23:19   ` Mario Smarduch
2014-06-08 12:05   ` Christoffer Dall
2014-06-08 12:05     ` Christoffer Dall
2014-06-09 17:58     ` Mario Smarduch
2014-06-09 17:58       ` Mario Smarduch
2014-06-09 18:09       ` Christoffer Dall
2014-06-09 18:09         ` Christoffer Dall
2014-06-09 18:33         ` Mario Smarduch
2014-06-09 18:33           ` Mario Smarduch
2014-06-03 23:19 ` [PATCH v7 3/4] arm: dirty log write protect management support Mario Smarduch
2014-06-03 23:19   ` Mario Smarduch
2014-06-03 23:19 ` [PATCH v7 4/4] arm: dirty page logging 2nd stage page fault handling support Mario Smarduch
2014-06-03 23:19   ` Mario Smarduch
2014-06-08 12:05   ` Christoffer Dall
2014-06-08 12:05     ` Christoffer Dall
2014-06-10 18:23     ` Mario Smarduch
2014-06-10 18:23       ` Mario Smarduch
2014-06-11  6:58       ` Christoffer Dall
2014-06-11  6:58         ` Christoffer Dall
2014-06-12  2:53         ` Mario Smarduch
2014-06-12  2:53           ` Mario Smarduch
2014-06-06 17:33 ` [RESEND PATCH v7 3/4] arm: dirty log write protect management support Mario Smarduch
2014-06-06 17:33   ` Mario Smarduch
2014-06-08 12:05   ` Christoffer Dall
2014-06-08 12:05     ` Christoffer Dall
2014-06-10  1:47     ` Mario Smarduch
2014-06-10  1:47       ` Mario Smarduch
2014-06-10  9:22       ` Christoffer Dall
2014-06-10  9:22         ` Christoffer Dall
2014-06-10 18:08         ` Mario Smarduch
2014-06-10 18:08           ` Mario Smarduch
2014-06-11  7:03           ` Christoffer Dall
2014-06-11  7:03             ` Christoffer Dall
2014-06-12  3:02             ` Mario Smarduch
2014-06-12  3:02               ` Mario Smarduch
2014-06-18  1:41             ` Mario Smarduch
2014-06-18  1:41               ` Mario Smarduch
2014-07-03 15:04               ` Christoffer Dall
2014-07-03 15:04                 ` Christoffer Dall
2014-07-04 16:29                 ` Paolo Bonzini [this message]
2014-07-04 16:29                   ` Paolo Bonzini
2014-07-17 16:00                   ` Mario Smarduch
2014-07-17 16:00                     ` Mario Smarduch
2014-07-17 16:17                 ` Mario Smarduch
2014-07-17 16:17                   ` Mario Smarduch
2014-06-08 10:45 ` [PATCH v7 0/4] arm: dirty page logging support for ARMv7 Christoffer Dall
2014-06-08 10:45   ` Christoffer Dall
2014-06-09 17:02   ` Mario Smarduch
2014-06-09 17:02     ` Mario Smarduch
2014-06-04 21:11 [RESEND PATCH v7 3/4] arm: dirty log write protect management support Mario Smarduch
2014-06-04 21:11 ` Mario Smarduch
2014-06-05  6:55 ` Xiao Guangrong
2014-06-05  6:55   ` Xiao Guangrong
2014-06-05 19:09   ` Mario Smarduch
2014-06-05 19:09     ` Mario Smarduch
2014-06-06  5:52     ` Xiao Guangrong
2014-06-06  5:52       ` Xiao Guangrong
2014-06-06 17:36       ` Mario Smarduch
2014-06-06 17:36         ` Mario Smarduch

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