Re: [PATCH v8 08/10] tpm: Proxy driver for supporting multiple emulated TPMs

From	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v8 08/10] tpm: Proxy driver for supporting multiple emulated TPMs
Date	2016-03-18 14:10 +0100
Message-ID	<re2ka-6eM-5@gated-at.bofh.it> (permalink)
References	<rcn9o-3vt-3@gated-at.bofh.it> <rcn9o-3vt-9@gated-at.bofh.it> <rdqye-5Es-15@gated-at.bofh.it> <rdKdA-1Zz-9@gated-at.bofh.it> <rdYqe-3dS-3@gated-at.bofh.it>
Organization	Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

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On Fri, Mar 18, 2016 at 10:52:00AM +0200, Jarkko Sakkinen wrote:
> On Thu, Mar 17, 2016 at 01:45:20PM -0400, Stefan Berger wrote:
> > On 03/16/2016 04:42 PM, Jarkko Sakkinen wrote:
> > >On Sun, Mar 13, 2016 at 06:54:38PM -0400, Stefan Berger wrote:
> > >>+
> > >>+/* above flags */
> > >>+#define VTPM_PROXY_FLAG_TPM2  1  /* emulator is TPM 2 */
> > >>+
> > >>+/* all supported flags */
> > >>+#define VTPM_PROXY_FLAGS_ALL  (VTPM_PROXY_FLAG_TPM2)
> > >This can be moved inside the .c-file?
> > 
> > I can move that.
> > 
> > >
> > >>+
> > >>+#define VTPM_PROXY_MAGIC 0xa1
> > >>+
> > >>+#define VTPM_PROXY_IOC_NEW_DEV   _IOW(VTPM_PROXY_MAGIC, 0x00, \
> > >>+				      struct vtpm_proxy_new_dev)
> > >Could we simply replace these four lines with one line:
> > >
> > >#deifne VTPM_PROXY_IOC_NEW_DEV _IOW('t', 0x00, struct vtpm_proxy_new_dev);
> > 
> > Does this make it better?
> > 
> > >
> > >I changed the magic but does it matter?
> > 
> > I would keep the magic at '0xa1'. The documentation is written to '0xa1' now
> > and seems to be good just as any other.
> 
> OK. Works for me. Keep the ioctl definition as it is.
> 
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> 
> I can move the constant. You don't have to send a new patch version
> anymore. I start keeping this patch in my master but will not merge it
> to next before 4.6-rc5 so at the moment it would be scheduled for 4.7.
> Does this sound good for you?
> 
> Further improvemnts should be sent as separate fixup patches.

Applied to git://git.infradead.org/users/jjs/linux-tpmdd.git.

/Jarkko

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Re: [PATCH v8 08/10] tpm: Proxy driver for supporting multiple  emulated TPMs Stefan Berger <stefanb@linux.vnet.ibm.com> - 2016-03-17 18:50 +0100
  Re: [PATCH v8 08/10] tpm: Proxy driver for supporting multiple  emulated TPMs Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-03-18 10:00 +0100
    Re: [PATCH v8 08/10] tpm: Proxy driver for supporting multiple  emulated TPMs Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-03-18 14:10 +0100

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