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Date: Sun, 08 Jul 2018 20:52:39 -0700 From: Joe Perches <joe@...ches.com> To: Murilo Opsfelder Araujo <muriloo@...ux.ibm.com>, "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com> Cc: Michael Ellerman <mpe@...erman.id.au>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Michael Neuling <mikey@...ling.org>, Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>, Akshay Adiga <akshay.adiga@...ux.vnet.ibm.com>, Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>, Oliver O'Halloran <oohall@...il.com>, Nicholas Piggin <npiggin@...il.com>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3 1/2] powerpc: Detect the presence of big-cores via "ibm, thread-groups" On Sun, 2018-07-08 at 13:03 -0300, Murilo Opsfelder Araujo wrote: > On Fri, Jul 06, 2018 at 02:35:48PM +0530, Gautham R. Shenoy wrote: > > From: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com> > > > > On IBM POWER9, the device tree exposes a property array identifed by > > "ibm,thread-groups" which will indicate which groups of threads share a > > particular set of resources. [] > > diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c [] > > @@ -1025,6 +1026,33 @@ static ssize_t show_physical_id(struct device *dev, > > } > > static DEVICE_ATTR(physical_id, 0444, show_physical_id, NULL); > > > > +static ssize_t show_small_core_siblings(struct device *dev, > > + struct device_attribute *attr, > > + char *buf) > > +{ > > Interesting enough, checkpatch.pl warned about this function name: > > WARNING: Consider renaming function(s) 'show_small_core_siblings' to 'small_core_siblings_show' > #354: FILE: arch/powerpc/kernel/sysfs.c:1053: > +} It's to allow the DEVICE_ATTR below to be renamed to DEVICE_ATTR_RO > > +static DEVICE_ATTR(small_core_siblings, 0444, show_small_core_siblings, NULL); So this becomes DEVICE_ATTR_RO(small_core_siblings)
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