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Daniel P. Berrangé 14997d521d hw/usb/hcd-ohci: skip automatic zero-init of large array ... The 'ohci_service_iso_td' method has a 8k byte array used for copying data between guest and host. Skip the automatic zero-init of this array to eliminate the performance overhead in the I/O hot path. The 'buf' array will be fully initialized when reading data from guest memory. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Message-id: 20250610123709.835102-27-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>		3 weeks ago
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Kconfig	Kconfig: Extract CONFIG_USB_CHIPIDEA from CONFIG_IMX	4 months ago
bus-stub.c	include: Rename sysemu/ -> system/	6 months ago
bus.c	qom: Make InterfaceInfo[] uses const	2 months ago
canokey.c	qom: Have class_init() take a const data argument	2 months ago
canokey.h	hw/usb/canokey: Fix buffer overflow for OUT packet	5 months ago
ccid-card-emulated.c	qom: Have class_init() take a const data argument	2 months ago
ccid-card-passthru.c	qom: Have class_init() take a const data argument	2 months ago
ccid.h	Use OBJECT_DECLARE_TYPE when possible	5 years ago
chipidea.c	qom: Have class_init() take a const data argument	2 months ago
combined-packet.c	usb: limit combined packets to 1 MiB (CVE-2021-3527)	4 years ago
core.c	usb: add pcap support.	5 years ago
desc-msos.c	hw/usb: Fix typo in comments and print	4 years ago
desc.c	hw/usb: Silence compiler warnings in USB code when compiling with -Wshadow	2 years ago
desc.h	usb: allow max 8192 bytes for desc	4 years ago
dev-audio.c	qom: Have class_init() take a const data argument	2 months ago
dev-hid.c	qom: Have class_init() take a const data argument	2 months ago
dev-hub.c	qom: Have class_init() take a const data argument	2 months ago
dev-mtp.c	qom: Have class_init() take a const data argument	2 months ago
dev-network.c	qom: Have class_init() take a const data argument	2 months ago
dev-serial.c	qom: Have class_init() take a const data argument	2 months ago
dev-smartcard-reader.c	qom: Make InterfaceInfo[] uses const	2 months ago
dev-storage-bot.c	qom: Have class_init() take a const data argument	2 months ago
dev-storage-classic.c	qom: Have class_init() take a const data argument	2 months ago
dev-storage.c	qom: Have class_init() take a const data argument	2 months ago
dev-uas.c	qom: Have class_init() take a const data argument	2 months ago
dev-wacom.c	qom: Have class_init() take a const data argument	2 months ago
hcd-dwc2.c	qom: Have class_init() take a const data argument	2 months ago
hcd-dwc2.h	include: Rename sysemu/ -> system/	6 months ago
hcd-dwc3.c	qom: Have class_init() take a const data argument	2 months ago
hcd-ehci-pci.c	qom: Make InterfaceInfo[] uses const	2 months ago
hcd-ehci-sysbus.c	qom: Have class_init() take a const data argument	2 months ago
hcd-ehci.c	hw/usb/hcd-ehci: Fix debug printf format string	5 months ago
hcd-ehci.h	include: Rename sysemu/ -> system/	6 months ago
hcd-ohci-pci.c	qom: Make InterfaceInfo[] uses const	2 months ago
hcd-ohci-sysbus.c	qom: Have class_init() take a const data argument	2 months ago
hcd-ohci.c	hw/usb/hcd-ohci: skip automatic zero-init of large array	3 weeks ago
hcd-ohci.h	include: Rename sysemu/ -> system/	6 months ago
hcd-uhci.c	qom: Make InterfaceInfo[] uses const	2 months ago
hcd-uhci.h	qom: Have class_init() take a const data argument	2 months ago
hcd-xhci-nec.c	qom: Have class_init() take a const data argument	2 months ago
hcd-xhci-pci.c	qom: Make InterfaceInfo[] uses const	2 months ago
hcd-xhci-pci.h	hw/usb/hcd-xhci-pci: Adds property for disabling mapping in IRQ mode	4 months ago
hcd-xhci-sysbus.c	qom: Have class_init() take a const data argument	2 months ago
hcd-xhci-sysbus.h	usb/xhci: add include/hw/usb/xhci.h header file	5 years ago
hcd-xhci.c	hw/usb/hcd-xhci: Unmap canceled packet	2 months ago
hcd-xhci.h	hw/usb/hcd-xhci-pci: Adds property for disabling mapping in IRQ mode	4 months ago
host-libusb.c	qom: Have class_init() take a const data argument	2 months ago
imx-usb-phy.c	qom: Have class_init() take a const data argument	2 months ago
libhw.c	include: Rename sysemu/ -> system/	6 months ago
meson.build	Kconfig: Extract CONFIG_USB_CHIPIDEA from CONFIG_IMX	4 months ago
pcap.c	usb/pcap: set flag_setup	4 years ago
quirks-ftdi-ids.h	hw/usb: Fix typo in comments and print	4 years ago
quirks-pl2303-ids.h	hw/usb: fix tab indentation	3 years ago
quirks.c	hw/usb/quirks: Use smaller types to reduce .rodata by 10KiB	5 years ago
quirks.h	hw/usb: spelling fixes	2 years ago
redirect.c	qom: Have class_init() take a const data argument	2 months ago
trace-events	hw/usb/hcd-ohci: Fix ohci_service_td: accept zero-length TDs where CBP=BE+1	1 year ago
trace.h	trace: switch position of headers to what Meson requires	5 years ago
u2f-emulated.c	qom: Have class_init() take a const data argument	2 months ago
u2f-passthru.c	qom: Have class_init() take a const data argument	2 months ago
u2f.c	qom: Have class_init() take a const data argument	2 months ago
u2f.h	hw/usb/u2f: Declare QOM macros using OBJECT_DECLARE_TYPE()	2 years ago
vt82c686-uhci-pci.c	hw/usb/vt82c686-uhci-pci: Use ISA instead of PCI interrupts	2 years ago
xen-usb.c	hw/xen: Prefer QOM cast for XenLegacyDevice	5 months ago
xlnx-usb-subsystem.c	qom: Have class_init() take a const data argument	2 months ago
xlnx-versal-usb2-ctrl-regs.c	qom: Have class_init() take a const data argument	2 months ago