From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Christoph Lameter <cl@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 02/29] x86/pci: intel ioh bus num reg accessing fix
Date: Sun, 03 Jan 2010 19:04:40 -0800 [thread overview]
Message-ID: <1262574307-17040-3-git-send-email-yinghai@kernel.org> (raw)
In-Reply-To: <1262574307-17040-1-git-send-email-yinghai@kernel.org>
it is above 0x100, so if mmconf is not enable, need to skip it
Reported-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/pci/intel_bus.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/pci/intel_bus.c b/arch/x86/pci/intel_bus.c
index b7a55dc..baf283a 100644
--- a/arch/x86/pci/intel_bus.c
+++ b/arch/x86/pci/intel_bus.c
@@ -49,6 +49,10 @@ static void __devinit pci_root_bus_res(struct pci_dev *dev)
u64 mmioh_base, mmioh_end;
int bus_base, bus_end;
+ /* some sys doesn't get mmconf enabled */
+ if (dev->cfg_size < 0x200)
+ return;
+
if (pci_root_num >= PCI_ROOT_NR) {
printk(KERN_DEBUG "intel_bus.c: PCI_ROOT_NR is too small\n");
return;
--
1.6.4.2
next prev parent reply other threads:[~2010-01-04 3:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 3:04 [PATCH -v3 0/29] x86: use early_res instead of bootmem before slab Yinghai Lu
2010-01-04 3:04 ` [PATCH 01/29] x86: fix size for ex trampoline with 32bit Yinghai Lu
2010-01-04 3:04 ` Yinghai Lu [this message]
2010-01-04 13:44 ` [PATCH 02/29] x86/pci: intel ioh bus num reg accessing fix Konrad Rzeszutek Wilk
2010-01-04 3:04 ` [PATCH 03/29] x86/pci: don't check mmconf again if it is from MSR with amd faml0h Yinghai Lu
2010-01-04 3:04 ` [PATCH 04/29] x86: move range related operation to one file Yinghai Lu
2010-01-04 3:04 ` [PATCH 05/29] x86: check range in update range Yinghai Lu
2010-01-04 3:04 ` [PATCH 06/29] x86/pci: use resource_size_t in update_res Yinghai Lu
2010-01-04 3:04 ` [PATCH 07/29] x86/pci: amd one chain system to use pci read out res Yinghai Lu
2010-01-04 3:04 ` [PATCH 08/29] x86/pci: use u64 instead of size_t in amd_bus.c Yinghai Lu
2010-01-04 3:04 ` [PATCH 09/29] x86/pci: add cap_resource Yinghai Lu
2010-01-04 3:04 ` [PATCH 10/29] x86/pci: enable pci root res read out for 32bit too Yinghai Lu
2010-01-04 3:04 ` [PATCH 11/29] x86: call early_res_to_bootmem one time Yinghai Lu
2010-01-04 3:04 ` [PATCH 12/29] x86: introduce max_early_res and early_res_count Yinghai Lu
2010-01-04 3:04 ` [PATCH 13/29] x86: dynamic increase early_res array size Yinghai Lu
2010-01-04 3:04 ` [PATCH 14/29] x86: print bootmem free before pci_iommu_alloc and free_all_bootmem -v2 Yinghai Lu
2010-01-04 3:04 ` [PATCH 15/29] x86: make early_node_mem get mem > 4g if possible Yinghai Lu
2010-01-04 3:04 ` [PATCH 16/29] x86: only call dma32_reserve_bootmem 64bit !CONFIG_NUMA Yinghai Lu
2010-01-04 3:04 ` [PATCH 17/29] x86: make 64 bit use early_res instead of bootmem before slab Yinghai Lu
2010-01-04 3:04 ` [PATCH 18/29] sparsemem: put usemap for one node together Yinghai Lu
2010-01-04 3:04 ` [PATCH 19/29] sparsemem: put mem map " Yinghai Lu
2010-01-04 3:04 ` [PATCH 20/29] x86: change range end to start+size Yinghai Lu
2010-01-04 3:04 ` [PATCH 21/29] x86: move bios page reserve early to head32/64.c Yinghai Lu
2010-01-04 3:05 ` [PATCH 22/29] x86: seperate early_res related code from e820.c Yinghai Lu
2010-01-04 3:05 ` [PATCH 23/29] x86: add find_early_area_size Yinghai Lu
2010-01-04 3:05 ` [PATCH 24/29] x86: move back find_e820_area to e820.c Yinghai Lu
2010-01-04 3:05 ` [PATCH 25/29] early_res: enhance check_and_double_early_res Yinghai Lu
2010-01-04 3:05 ` [PATCH 26/29] x86: make 32bit support NO_BOOTMEM Yinghai Lu
2010-01-04 3:05 ` [PATCH 27/29] move round_up/down to kernel.h Yinghai Lu
2010-01-04 3:05 ` [PATCH 28/29] x86: add find_fw_memmap_area Yinghai Lu
2010-01-04 3:05 ` [PATCH 29/29] core: move early_res Yinghai Lu
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