From: "M. Warner Losh" <imp@bsdimp.com>
To: qemu-devel@nongnu.org, amit.shah@qumranet.com
Cc: kvm@vger.kernel.org
Subject: Re: [Qemu-devel] [PATCH 1/2] QEMU: Mask writes to RO bits in the status reg of PCI config space
Date: Mon, 26 May 2008 12:33:56 -0600 (MDT) [thread overview]
Message-ID: <20080526.123356.282844786.imp@bsdimp.com> (raw)
In-Reply-To: <1211798213-4187-3-git-send-email-amit.shah@qumranet.com>
In message: <1211798213-4187-3-git-send-email-amit.shah@qumranet.com>
Amit Shah <amit.shah@qumranet.com> writes:
: The Status register in the PCI config space has some read-only bits.
: Any writes to those bits should be masked out.
subvendor and subproduct aren't necessarily read-only. There are
several devices that allow 'special magic' to enable their writing
(used by the BIOS).
Warner
prev parent reply other threads:[~2008-05-26 18:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-26 10:36 PCI: Add subsystem vendor IDs and mask writes to RO bits Amit Shah
2008-05-26 10:36 ` [PATCH 01/14] QEMU: Fill in PCI subsystem vendor id for acpi Amit Shah
2008-05-26 10:36 ` [PATCH 1/2] QEMU: Mask writes to RO bits in the status reg of PCI config space Amit Shah
2008-05-26 10:36 ` [PATCH 02/14] QEMU: Fill in PCI subsystem vendor id for cirrus_vga Amit Shah
2008-05-26 10:36 ` [PATCH 2/2] QEMU: Mask writes to RO bits in the command reg of PCI config space Amit Shah
2008-05-26 10:36 ` [PATCH 03/14] QEMU: Fill in PCI subsystem vendor id for e1000 Amit Shah
2008-05-26 10:36 ` [PATCH 04/14] QEMU: Fill in PCI subsystem vendor id for eepro100 Amit Shah
2008-05-26 10:36 ` [PATCH 05/14] QEMU: Fill in PCI subsystem vendor id for ide Amit Shah
2008-05-26 10:36 ` [PATCH 06/14] QEMU: Fill in PCI subsystem vendor id for LSI Amit Shah
2008-05-26 10:36 ` [PATCH 07/14] QEMU: Fill in PCI subsystem vendor id for ne2000 Amit Shah
2008-05-26 10:36 ` [PATCH 08/14] QEMU: Fill in PCI subsystem vendor id for pcnet Amit Shah
2008-05-26 10:36 ` [PATCH 09/14] QEMU: Fill in PCI subsystem vendor id for piix_pci Amit Shah
2008-05-26 10:36 ` [PATCH 10/14] QEMU: Fill in PCI subsystem vendor id for rtl8139 Amit Shah
2008-05-26 10:36 ` [PATCH 11/14] QEMU: Fill in PCI subsystem vendor id for usb-ohci Amit Shah
2008-05-26 10:36 ` [PATCH 12/14] QEMU: Fill in PCI subsystem vendor id for usb-uhci Amit Shah
2008-05-26 10:36 ` [PATCH 13/14] QEMU: Fill in PCI subsystem vendor id for versatile_pci Amit Shah
2008-05-26 10:36 ` [PATCH 14/14] QEMU: Fill in PCI subsystem vendor id for vga Amit Shah
2008-05-26 18:36 ` [Qemu-devel] [PATCH 03/14] QEMU: Fill in PCI subsystem vendor id for e1000 M. Warner Losh
2008-05-27 15:01 ` Amit Shah
2008-05-26 18:33 ` M. Warner Losh [this message]
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