| 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
| ||
|
Date: Thu, 20 Mar 2008 00:39:02 -0700 From: Ravikiran G Thirumalai <kiran@...lex86.org> To: Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org, Glauber de Oliveira Costa <gcosta@...hat.com>, Andi Kleen <ak@...e.de>, shai@...lex86.org Subject: [patch 1/4] x86: vSMP: Fix is_vsmp_box() is_vsmp_box() currently does not work on vSMPowered systems, as pci cfg space is not read correctly -- This patch fixes it. Signed-off-by: Ravikiran Thirumalai <kiran@...lex86.org> Index: linux.git.trees/arch/x86/kernel/vsmp_64.c =================================================================== --- linux.git.trees.orig/arch/x86/kernel/vsmp_64.c 2008-03-19 13:30:35.116766719 -0700 +++ linux.git.trees/arch/x86/kernel/vsmp_64.c 2008-03-19 13:39:20.074685590 -0700 @@ -84,8 +84,10 @@ int is_vsmp_box(void) return vsmp; /* Check if we are running on a ScaleMP vSMP box */ - if (read_pci_config(0, 0x1f, 0, PCI_VENDOR_ID) == - (PCI_VENDOR_ID_SCALEMP || (PCI_DEVICE_ID_SCALEMP_VSMP_CTL << 16))) + if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) == + PCI_VENDOR_ID_SCALEMP) && + (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) == + PCI_DEVICE_ID_SCALEMP_VSMP_CTL)) vsmp = 1; return vsmp; -- 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/
Powered by blists - more mailing lists