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Date:      Thu, 18 Jun 2020 17:29:05 -0400
From:      Ed Maste <emaste@freebsd.org>
To:        Jessica Clarke <jrtc27@freebsd.org>
Cc:        Andrew Turner <andrew@freebsd.org>, src-committers <src-committers@freebsd.org>,  svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org>
Subject:   Re: svn commit: r362285 - head/sys/dev/pci
Message-ID:  <CAPyFy2BLDrnCYf_6BmNXAJzuMNWaBdUq7QpEAdwHqKKxOqbUaw@mail.gmail.com>
In-Reply-To: <831631E9-2F54-4E5F-950A-B923B0A3DADA@freebsd.org>
References:  <202006171956.05HJuH8B032154@repo.freebsd.org> <CAPyFy2C2nRF9akKthA8SbpxigWcNFNQr-Dt1Q33RxyG4gjNDvg@mail.gmail.com> <831631E9-2F54-4E5F-950A-B923B0A3DADA@freebsd.org>

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On Thu, 18 Jun 2020 at 08:48, Jessica Clarke <jrtc27@freebsd.org> wrote:
>
> On 18 Jun 2020, at 13:23, Ed Maste <emaste@freebsd.org> wrote:
> > On Wed, 17 Jun 2020 at 15:56, Andrew Turner <andrew@freebsd.org> wrote:
> >>
> >> Author: andrew
> >> Date: Wed Jun 17 19:56:17 2020
> >> New Revision: 362285
> >> URL: https://svnweb.freebsd.org/changeset/base/362285
> >>
> >> Log:
> >>  Clean up the pci host generic driver
> > ...
> >>
> >> +       /* Translate the address from a PCI address to a physical address */
> >> +       switch (type) {
> >> +       case SYS_RES_IOPORT:
> >> +       case SYS_RES_MEMORY:
> >> +               found = false;
> >> +               for (i = 0; i < MAX_RANGES_TUPLES; i++) {
> >> +                       pci_base = sc->ranges[i].pci_base;
> >> +                       phys_base = sc->ranges[i].phys_base;
> >> +                       size = sc->ranges[i].size;
> >> +
> >> +                       if (start < pci_base || start >= pci_base + size)
> >> +                               continue;
> >
> > Should the second condition be end instead? markj had this comment on
> > the old version in review D20884.
>
> The code previously had:
>
> > if ((rman_get_start(r) >= pci_base) && (rman_get_start(r) < (pci_base + size)))
> >       found = 1;
> >       break;
> > }
>
> The new code is just the inverted form of that.

Yes; Mark made the comment (that the 2nd rman_get_start should be
rman_get_end) about the previous version of the code but no change was
made. I believe that comment still applies.



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