linux-kernel - RE: [PATCH 2/5] sched: convert signal_struct.sigcnt to refcount

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Message-ID: <2236FBA76BA1254E88B949DDB74E612BA4B8B877@IRSMSX102.ger.corp.intel.com>
Date:   Tue, 22 Jan 2019 09:11:42 +0000
From:   "Reshetova, Elena" <elena.reshetova@...el.com>
To:     Oleg Nesterov <oleg@...hat.com>
CC:     "mingo@...hat.com" <mingo@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>
Subject: RE: [PATCH 2/5] sched: convert signal_struct.sigcnt to refcount_t

> On 01/18, Elena Reshetova wrote:
> >
> > For the signal_struct.sigcnt it might make a difference
> > in following places:
> >  - put_signal_struct(): decrement in refcount_dec_and_test() only
> >    provides RELEASE ordering and control dependency on success
> >    vs. fully ordered atomic counterpart
> 
> this is fine.
> 
> Reviewed-by: Oleg Nesterov <oleg@...hat.com>

Thank you Oleg! 

Will you be able to take this and the other scheduler
patch to whatever tree/path it should normally go to get eventually 
integrated? 

Best Regards,
Elena.