linux-kernel - [PATCH] x86_64: don't need set default res if only have one root bus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <200804111514.53680.yhlu.kernel@gmail.com>
Date:	Fri, 11 Apr 2008 15:14:52 -0700
From:	Yinghai Lu <yhlu.kernel.send@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>
Cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86_64: don't need set default res if only have one root bus

only one root bus, don't need to split that root resources.

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

diff --git a/arch/x86/pci/k8-bus_64.c b/arch/x86/pci/k8-bus_64.c
index 7ed7f51..c433982 100644
--- a/arch/x86/pci/k8-bus_64.c
+++ b/arch/x86/pci/k8-bus_64.c
@@ -69,7 +69,8 @@ void set_pci_bus_resources_arch_default(struct pci_bus *b)
 	int j;
 	struct pci_root_info *info;

-	if (!pci_root_num)
+	/* if only one root bus, don't need to anything */
+	if (pci_root_num < 2)
 		return;

 	for (i = 0; i < pci_root_num; i++) {
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/