From: Bjorn Helgaas <helgaas@kernel.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
David Miller <davem@davemloft.net>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Wei Yang <weiyang@linux.vnet.ibm.com>, TJ <linux@iam.tj>,
Yijing Wang <wangyijing@huawei.com>,
Khalid Aziz <khalid.aziz@oracle.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 00/59] PCI: Resource allocation cleanup for v4.6
Date: Thu, 10 Mar 2016 12:30:33 -0600 [thread overview]
Message-ID: <20160310183033.GA18456@localhost> (raw)
In-Reply-To: <1456366370-28995-1-git-send-email-yinghai@kernel.org>
On Wed, Feb 24, 2016 at 06:11:51PM -0800, Yinghai Lu wrote:
> Hi,
>
> After 5b28541552ef (PCI: Restrict 64-bit prefetchable bridge windows
> to 64-bit resources), we have several reports on resource allocation
> failure, and we try to fix the problem with resource clip, and find
> more problems.
>
> One is realloc fail with two graphics cards above 4G.
> One is from sparc that have problem with clip as we don't parse
> mem64 for it.
>
> Other report is about pci remove/rescan does not work on some setup
> when BIOS tend to allocate small bus size.
>
> This patchset enhance resource allocation to address those problems.
>
> patch 1-10: parse MEM64 for sparc and other system with OF
> ...
> Yinghai Lu (59):
> PCI: Add pci_find_root_bus_resource()
> sparc/PCI: Use correct bus address to resource offset
> sparc/PCI: Reserve legacy mmio after PCI mmio
> sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing
> sparc/PCI: Keep resource idx order with bridge register number
> PCI: Kill wrong quirk about M7101
> PCI: Ignore BAR for ALi M1533 PCI-ISA bridge
I took a look at the above and responded on the list with several
questions. I have the feeling that some are because I'm missing
important details about how sparc works. If it's easier to educate me
about those via IRC, I'm usually in #linux-pci on OFTC, and I'd be
happy to chat there.
Bjorn
prev parent reply other threads:[~2016-03-10 18:30 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 2:11 [PATCH v10 00/59] PCI: Resource allocation cleanup for v4.6 Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 01/59] PCI: Add pci_find_root_bus_resource() Yinghai Lu
2016-03-10 3:54 ` Bjorn Helgaas
2016-03-11 21:21 ` Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 02/59] sparc/PCI: Use correct bus address to resource offset Yinghai Lu
2016-03-10 18:24 ` Bjorn Helgaas
2016-03-10 19:47 ` David Miller
2016-03-12 8:22 ` Yinghai Lu
2016-03-12 11:26 ` Bjorn Helgaas
2016-03-19 6:01 ` Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 03/59] sparc/PCI: Reserve legacy mmio after PCI mmio Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 04/59] sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 05/59] sparc/PCI: Keep resource idx order with bridge register number Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 06/59] PCI: Kill wrong quirk about M7101 Yinghai Lu
2016-03-10 17:40 ` Bjorn Helgaas
2016-03-11 22:08 ` Yinghai Lu
2016-03-12 1:06 ` Linus Torvalds
2016-03-12 7:52 ` Meelis Roos
2016-03-12 8:26 ` Yinghai Lu
2016-03-12 8:39 ` Meelis Roos
2016-04-25 20:57 ` Bjorn Helgaas
2016-02-25 2:11 ` [PATCH v10 07/59] PCI: Ignore BAR for ALi M1533 PCI-ISA bridge Yinghai Lu
2016-03-10 17:54 ` Bjorn Helgaas
2016-03-11 22:21 ` Yinghai Lu
2016-02-25 2:11 ` [PATCH v10 08/59] powerpc/PCI: Keep resource idx order with bridge register number Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 09/59] powerpc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 10/59] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 11/59] PCI: Check pref compatible bit for mem64 resource of PCIe device Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 12/59] PCI: Only treat non-pref mmio64 as pref if all bridges have MEM_64 Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 13/59] PCI: Add has_mem64 for struct host_bridge Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 14/59] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 15/59] PCI: Restore pref MMIO allocation logic for host bridge without mmio64 Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 16/59] PCI: Don't release fixed resource for realloc Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 17/59] PCI: Claim fixed resource during remove/rescan path Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 18/59] PCI: Set resource to FIXED for LSI devices Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 19/59] PCI: Separate realloc list checking after allocation Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 20/59] PCI: Treat optional as required in first try for bridge rescan Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 21/59] PCI: Get new realloc size for bridge for last try Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 22/59] PCI: Don't release sibling bridge resources during hotplug Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 23/59] PCI: Cleanup res_to_dev_res() printout Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 24/59] PCI: Reuse res_to_dev_res() in reassign_resources_sorted() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 25/59] PCI: Use correct align for optional only resources during sorting Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 26/59] PCI: Optimize bus min_align/size calculation during sizing Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 27/59] PCI: Optimize bus align/size calculation for optional " Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 28/59] PCI: Don't add too much optional size for hotplug bridge MMIO Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 29/59] PCI: Reorder resources list for required/optional resources Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 30/59] PCI: Remove duplicated code for resource sorting Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 31/59] PCI: Rename pdev_sort_resources() to pdev_assign_resources_prepare() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 32/59] PCI: Treat ROM resource as optional during realloc Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 33/59] PCI: Add debug printout during releasing partial assigned resources Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 34/59] PCI: Simplify res reference using in __assign_resources_sorted() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 35/59] PCI: Add __add_to_list() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 36/59] PCI: Cache window alignment value during bus sizing Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 37/59] PCI: Check if resource is allocated before trying to assign one Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 38/59] PCI: Separate out save_resources()/restore_resources() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 39/59] PCI: Move comment to pci_need_to_release() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 40/59] PCI: Separate required+optional assigning to another function Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 41/59] PCI: Skip required+optional if there is no optional Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 42/59] PCI: Move saved required resource list out of required+optional assigning Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 43/59] PCI: Add alt_size ressource allocation support Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 44/59] PCI: Add support for more than two alt_size entries under same bridge Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 45/59] PCI: Fix size calculation with old_size on rescan path Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 46/59] PCI: Don't add too much optional size for hotplug bridge io Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 47/59] PCI: Move ISA io port align out of calculate_iosize() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 48/59] PCI: Don't add too much io port for hotplug bridge with old size Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 49/59] PCI: Unify calculate_size() for io port and MMIO Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 50/59] PCI: Allow bridge optional only io port resource required size to be 0 Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 51/59] PCI: Unify skip_ioresource_align() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 52/59] PCI: Kill macro checking for bus io port sizing Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 53/59] resources: Make allocate_resource() return best fit resource Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 54/59] PCI, x86: Allocate from high in available window for MMIO Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 55/59] PCI: Add debug print out for min_align and alt_size Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 56/59] PCI, x86: Add pci=assign_pref_bars to reallocate pref BARs Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 57/59] PCI: Introduce resource_disabled() Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 58/59] PCI: Don't set flags to 0 when assign resource fail Yinghai Lu
2016-02-25 2:12 ` [PATCH v10 59/59] PCI: Only try to assign io port only for root bus that support it Yinghai Lu
2016-03-10 18:30 ` Bjorn Helgaas [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160310183033.GA18456@localhost \
--to=helgaas@kernel.org \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=davem@davemloft.net \
--cc=khalid.aziz@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux@iam.tj \
--cc=wangyijing@huawei.com \
--cc=weiyang@linux.vnet.ibm.com \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).