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Re: [PATCH 8/8] PCI: replace "secondary" flavors of PCI_{DEVFN,BDF,SBDF}()


  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Date: Tue, 12 Apr 2022 12:49:45 +0200
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  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Mon, Apr 11, 2022 at 11:42:05AM +0200, Jan Beulich wrote:
> At their use sites the numeric suffixes are at least odd to read, first
> and foremost for PCI_DEVFN2() where the suffix doesn't even match the
> number of arguments. Make use of count_args() such that a single flavor
> each suffices (leaving aside helper macros, which aren't supposed to be
> used from the outside).
> 
> In parse_ppr_log_entry() take the opportunity and drop two local
> variables and convert an assignment to an initializer.
> 
> In VT-d code fold a number of bus+devfn comparison pairs into a single
> BDF comparison.
> 
> No change to generated code for the vast majority of the adjustments.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Nice.

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.



 


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