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From: Scott Wood <swood@redhat.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>, Timur Tabi <timur@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	york sun <york.sun@nxp.com>, Jiri Slaby <jslaby@suse.com>,
	PowerPC Mailing List <linuxppc-dev@lists.ozlabs.org>,
	b08248@gmail.com
Subject: Re: [PATCH] evh_bytechan: fix out of bounds accesses
Date: Wed, 15 Jan 2020 14:01:35 -0600	[thread overview]
Message-ID: <9f3311d12d418b87832ba5de1372bb76ffccbd45.camel@redhat.com> (raw)
In-Reply-To: <20200116064234.7a139623@canb.auug.org.au>

On Thu, 2020-01-16 at 06:42 +1100, Stephen Rothwell wrote:
> Hi Timur,
> 
> On Wed, 15 Jan 2020 07:25:45 -0600 Timur Tabi <timur@kernel.org> wrote:
> > On 1/14/20 12:31 AM, Stephen Rothwell wrote:
> > > +/**
> > > + * ev_byte_channel_send - send characters to a byte stream
> > > + * @handle: byte stream handle
> > > + * @count: (input) num of chars to send, (output) num chars sent
> > > + * @bp: pointer to chars to send
> > > + *
> > > + * Returns 0 for success, or an error code.
> > > + */
> > > +static unsigned int ev_byte_channel_send(unsigned int handle,
> > > +	unsigned int *count, const char *bp)  
> > 
> > Well, now you've moved this into the .c file and it is no longer 
> > available to other callers.  Anything wrong with keeping it in the .h
> > file?
> 
> There are currently no other callers - are there likely to be in the
> future?  Even if there are, is it time critical enough that it needs to
> be inlined everywhere?

It's not performance critical and there aren't likely to be other users --
just a matter of what's cleaner.  FWIW I'd rather see the original patch,
that keeps the raw asm hcall stuff as simple wrappers in one place.

-Scott



  reply	other threads:[~2020-01-15 20:04 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-09  7:39 [PATCH] evh_bytechan: fix out of bounds accesses Stephen Rothwell
2020-01-13 12:26 ` Michael Ellerman
2020-01-13 13:48   ` Timur Tabi
2020-01-13 14:34     ` Laurentiu Tudor
2020-01-13 15:48       ` Timur Tabi
2020-01-14  1:10       ` Michael Ellerman
2020-01-14  9:18         ` Laurentiu Tudor
2020-01-14 11:01           ` Timur Tabi
2020-01-13 16:03 ` Timur Tabi
2020-01-13 20:25   ` Stephen Rothwell
2020-01-14  1:10     ` Timur Tabi
2020-01-14  1:13       ` Timur Tabi
2020-01-14  1:17         ` Scott Wood
2020-01-14  6:31       ` Stephen Rothwell
2020-01-15 12:33         ` Laurentiu Tudor
2020-01-15 13:25         ` Timur Tabi
2020-01-15 19:42           ` Stephen Rothwell
2020-01-15 20:01             ` Scott Wood [this message]
2020-01-16  0:37               ` Stephen Rothwell
2020-02-20 23:57                 ` Stephen Rothwell
2020-02-25  9:54                   ` Laurentiu Tudor
2020-02-25 20:56                     ` Stephen Rothwell
2020-02-26  9:43                       ` Laurentiu Tudor
2020-01-16  2:29               ` Timur Tabi
2020-01-14  8:29       ` Segher Boessenkool
2020-01-14 11:53         ` Timur Tabi
2020-01-14 12:24           ` Segher Boessenkool
2020-03-17 13:14 ` Michael Ellerman

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