linux-kernel - Re: [RFC][PATCH 7/7] kref: Implement using refcount

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Message-ID: <20161117120825.GI3142@twins.programming.kicks-ass.net>
Date:   Thu, 17 Nov 2016 13:08:25 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
        linux-kernel@...r.kernel.org, tglx@...utronix.de,
        will.deacon@....com, dave@...gbits.org, keescook@...omium.org,
        mingo@...nel.org, elena.reshetova@...el.com,
        gregkh@...uxfoundation.org
Subject: Re: [RFC][PATCH 7/7] kref: Implement using refcount_t

On Thu, Nov 17, 2016 at 06:54:32PM +0800, Boqun Feng wrote:
> 
> If our freshly allocated object got trampled by stores in free(), that's the
> problem of allocator and free(), right? Because in that case, it's them who
> mess up the synchronization.
> 

Oh right, duh.