linux-kernel - Re: [tpmdd-devel] [PATCH v1 12/12] tpm: TPM2 sysfs attributes

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Date:	Tue, 30 Sep 2014 23:07:21 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	Peter Hüwe <PeterHuewe@....de>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [tpmdd-devel] [PATCH v1 12/12] tpm: TPM2 sysfs attributes

On Fri, Sep 26, 2014 at 08:19:47PM +0300, Jarkko Sakkinen wrote:
> On Wed, Sep 24, 2014 at 02:46:27PM -0600, Jason Gunthorpe wrote:
> > > That would be 24*2 files only for pcrs...
> > 
> > Some subsystems do just that..
> > 
> > $ ls /sys/class/infiniband/qib0/ports/1/sl2vl/
> > 0  1  10  11  12  13  14  15  2  3  4  5  6  7  8  9
> 
> They use static structures in drivers/infiniband/hw/qib/qib_sysfs.c
> and it does not looks a mess. I would prefer to create struct attribute
> entries dynamically if there's clean and easy way to do that.

I gave this a shot:

https://github.com/jsakkine/linux-tpm2/commit/dffce68ce34da265a62908dec71b2d85fc16824f

I want to initialize dynamically so that it is easy to support 
TPM_PT_PCR_COUNT later.

/Jarkko
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