From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Sudeep Holla <Sudeep.Holla@arm.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
"linux390@de.ibm.com" <linux390@de.ibm.com>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>
Subject: Re: [PATCH RFC/RFT v2 3/8] s390: move cacheinfo sysfs to generic cacheinfo infrastructure
Date: Mon, 10 Feb 2014 12:59:23 +0100 [thread overview]
Message-ID: <20140210115923.GF19013@osiris> (raw)
In-Reply-To: <52F8B95F.5030401@arm.com>
On Mon, Feb 10, 2014 at 11:34:55AM +0000, Sudeep Holla wrote:
> On 10/02/14 09:50, Heiko Carstens wrote:
> > On Fri, Feb 07, 2014 at 04:49:18PM +0000, Sudeep Holla wrote:
> >> - show_cacheinfo(m);
> >> }
> >> get_online_cpus();
> >> if (cpu_online(n)) {
> >
> > You can't remove that. It's a user space visible change.
> >
> Correct, I wanted to add show_cacheinfo back as its user ABI already, missed it.
>
> Is it ok if I use cpu0 cacheinfo or to be safer as cpu0 can be offline, use
> the cacheinfo of the cpu executing this ?
Any online cpu would do, as the information is completely symmetrical.
next prev parent reply other threads:[~2014-02-10 11:59 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-07 16:49 [PATCH RFC/RFT v2 0/8] drivers: cacheinfo support Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 1/8] drivers: base: support cpu cache information interface to userspace via sysfs Sudeep Holla
2014-02-07 19:29 ` Greg Kroah-Hartman
2014-02-10 18:09 ` Sudeep Holla
2014-02-11 0:13 ` Greg Kroah-Hartman
2014-02-13 15:55 ` Sudeep Holla
2014-02-17 18:26 ` Sudeep Holla
2014-02-18 21:53 ` Greg Kroah-Hartman
2014-02-19 16:04 ` Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 2/8] ia64: move cacheinfo sysfs to generic cacheinfo infrastructure Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 3/8] s390: " Sudeep Holla
2014-02-10 9:50 ` Heiko Carstens
2014-02-10 11:34 ` Sudeep Holla
2014-02-10 11:59 ` Heiko Carstens [this message]
2014-02-10 11:30 ` Heiko Carstens
2014-02-10 11:36 ` Sudeep Holla
2014-02-17 18:36 ` Sudeep Holla
2014-02-18 9:45 ` Heiko Carstens
2014-02-07 16:49 ` [PATCH RFC/RFT v2 4/8] x86: " Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 5/8] powerpc: " Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 6/8] ARM64: kernel: add support for cpu cache information Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 7/8] ARM: " Sudeep Holla
2014-02-07 16:49 ` [PATCH RFC/RFT v2 8/8] ARM: kernel: add outer cache support for cacheinfo implementation Sudeep Holla
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