Date: Wed, 2 Sep 2015 12:15:14 -0700 From: Conrad Meyer <cem@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org, jimharris@freebsd.org Subject: Re: svn commit: r287403 - head/sys/dev/ioat Message-ID: <CAG6CVpUwYkd6Dv=LMbVm7KE_QJtMMYwcoXsG3shFj56asUP-PQ@mail.gmail.com> In-Reply-To: <3589074.YABE6tqvK0@ralph.baldwin.cx> References: <201509021648.t82Gm451015184@repo.freebsd.org> <3589074.YABE6tqvK0@ralph.baldwin.cx>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Sep 2, 2015 at 10:26 AM, John Baldwin <jhb@freebsd.org> wrote: > Alternatively you could use pci_restore_state() (before reset) and > pci_save_state() (after reset) to restore standard PCI config registers > (including MSI/MSI-X) after a reset. > > This might be more scalable if you want to ensure other PCI config > registers (e.g. PCI-e capabilities) are restored after a reset. Hi John, Do you mean pci_save_state() before reset and pci_restore_state() afterwards? Seems reasonable to me. Thanks, Conrad
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAG6CVpUwYkd6Dv=LMbVm7KE_QJtMMYwcoXsG3shFj56asUP-PQ>