[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <alpine.DEB.2.20.1706282351470.1890@nanos>
Date: Wed, 28 Jun 2017 23:52:45 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: Palmer Dabbelt <palmer@...belt.com>
cc: peterz@...radead.org, mingo@...hat.com, mcgrof@...nel.org,
viro@...iv.linux.org.uk, sfr@...b.auug.org.au,
nicolas.dichtel@...nd.com, rmk+kernel@...linux.org.uk,
msalter@...hat.com, tklauser@...tanz.ch, will.deacon@....com,
james.hogan@...tec.com, paul.gortmaker@...driver.com,
linux@...ck-us.net, linux-kernel@...r.kernel.org,
linux-arch@...r.kernel.org, albert@...ive.com
Subject: Re: [PATCH 8/9] RISC-V: User-facing API
On Wed, 28 Jun 2017, Thomas Gleixner wrote:
> On Wed, 28 Jun 2017, Palmer Dabbelt wrote:
> > + err = __get_user(prev, ptr);
>
> Sigh. Type safety is overrated, right?
But the comment above your __get_user() implementation says:
+ * @ptr must have pointer-to-simple-variable type, and the result of
+ * dereferencing @ptr must be assignable to @x without a cast.
Powered by blists - more mailing lists