linux-kernel - Re: [PATCH] PCI/AER: add pcie TLP header information in the tracepoint

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <24ef86b8-20d9-d654-2af5-159659a9eb76@oracle.com>
Date:   Tue, 8 May 2018 09:35:54 -0400
From:   Thomas Tai <thomas.tai@...cle.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, bhelgaas@...gle.com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexandru Gagniuc <mr.nuke.me@...il.com>
Subject: Re: [PATCH] PCI/AER: add pcie TLP header information in the
 tracepoint



On 2018-05-08 09:34 AM, Steven Rostedt wrote:
> On Tue, 8 May 2018 09:25:01 -0400
> Thomas Tai <thomas.tai@...cle.com> wrote:
> 
>>>>>    	TP_STRUCT__entry(
>>>>>    		__string(	dev_name,	dev_name	)
>>>>>    		__field(	u32,		status		)
>>>>>    		__field(	u8,		severity	)
>>>>> +		__field(	u32, 		tlp_header_valid)
>>>
>>> I'm guessing tlp_header_valid is just a boolean. It's after severity
>>> which is just one byte long. Why not make this one byte as well,
>>> otherwise you are wasting 3 bytes.
>>
>> Thanks Steven. Yes boolean is fine.
> 
> But don't use "bool", use u8, as bool can be various sizes on different
> archs.

Sure thing. Thank you.

> 
> -- Steve
>