From: Dan Williams <dan.j.williams@intel.com>
To: Joe Perches <joe@perches.com>
Cc: "linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>,
Ohad Ben-Cohen <ohad@wizery.com>,
linux-remoteproc@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Jason Baron <jbaron@akamai.com>
Subject: Re: [PATCH 0/3] dynamic_hex_dump cleanup
Date: Fri, 28 Apr 2017 15:14:24 -0700 [thread overview]
Message-ID: <CAPcyv4h=DfkJu6+7by0HoVhUOKtoCJmc4GGg3XNxYURCkX09Tw@mail.gmail.com> (raw)
In-Reply-To: <1493417230.1873.15.camel@perches.com>
On Fri, Apr 28, 2017 at 3:07 PM, Joe Perches <joe@perches.com> wrote:
> On Fri, 2017-04-28 at 14:52 -0700, Dan Williams wrote:
>> On Fri, Apr 28, 2017 at 2:49 PM, Joe Perches <joe@perches.com> wrote:
>> > On Fri, 2017-04-28 at 14:28 -0700, Dan Williams wrote:
>> > > More than one driver has worked around the fact that
>> > > print_hex_dump_debug() requires CONFIG_DYNAMIC_DEBUG=y to build.
>> >
>> > No it doesn't. builds work fine. Output is restricted.
>> >
>> > > Provide a dynamic_hex_dump() so that drivers that want the extra debugging to be
>> > > turned off in the CONFIG_DYNAMIC_DEBUG=n can use dynamic_hex_dump()
>> > > directly.
>> >
>> > I think the concept is unnecessary
>> > .
>> > Just use print_hex_dump with KERN_DEBUG.
>>
>> No, we don't want any possibility of output in the
>> CONFIG_DYNAMIC_DEBUG=n case. This is extra debug that only makes sense
>> in the CONFIG_DYNAMIC_DEBUG case.
>
> No, that doesn't work the same.
>
> Look at your conversion of drivers/acpi/nfit/core.c
>
> dev_dbg outputs always when DEBUG is defined and
> optionally outputs when CONFIG_DYNAMIC_DEBUG is enabled.
Right, that's what I want dev_dbg() to output at KERN_DEBUG level
always and the hexdump only in the dynamic case.
next prev parent reply other threads:[~2017-04-28 22:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-28 21:28 [PATCH 0/3] dynamic_hex_dump cleanup Dan Williams
2017-04-28 21:28 ` [PATCH 1/3] printk: provide generic dynamic_hex_dump fallback Dan Williams
2017-04-28 21:29 ` [PATCH 2/3] virtio, rpmsg: switch to dynamic_hex_dump() Dan Williams
2017-04-29 8:46 ` kbuild test robot
2017-04-28 21:29 ` [PATCH 3/3] acpi, nfit: kill ACPI_NFIT_DEBUG, " Dan Williams
2017-04-28 23:48 ` [PATCH v2] acpi, nfit: kill ACPI_NFIT_DEBUG Dan Williams
2017-04-28 21:49 ` [PATCH 0/3] dynamic_hex_dump cleanup Joe Perches
2017-04-28 21:52 ` Dan Williams
2017-04-28 22:07 ` Joe Perches
2017-04-28 22:14 ` Dan Williams [this message]
2017-04-28 22:19 ` Dan Williams
2017-04-28 22:31 ` Joe Perches
2017-04-28 22:59 ` Dan Williams
2017-04-28 23:04 ` Joe Perches
2017-04-28 23:12 ` Dan Williams
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