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freebsd-dev/usr.sbin/bhyve
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Neel Natu 2bd073e13b Disable the 'uart_drain()' callback when the emulated receive FIFO is full. 
Failing to do this will cause the kevent(2) notification to trigger
continuously and the bhyve(8) mevent thread will hog the cpu until the
characters on the backend tty device are drained.

Also, make the uart backend file descriptor non-blocking to avoid a
select(2) before every byte read from that backend.

Reviewed by:	grehan
2014-05-05 23:54:13 +00:00
..
acpi.c Add SMBIOS support. 2014-03-04 17:12:06 +00:00
acpi.h Rework the DSDT generation code a bit to generate more accurate info about 2014-01-02 21:26:59 +00:00
ahci.h Import Zhixiang Yu's GSoC'13 AHCI emulation: 2013-10-04 18:31:38 +00:00
atkbdc.c Provide a very basic stub for the 8042 PS/2 keyboard controller. 2014-04-25 13:38:18 +00:00
bhyve.8 Modify the "-p" option to be more flexible when associating a 'vcpu' with 2014-05-05 18:06:35 +00:00
bhyverun.c Modify the "-p" option to be more flexible when associating a 'vcpu' with 2014-05-05 18:06:35 +00:00
bhyverun.h Use 'cpuset_t' to represent the vcpus active in a virtual machine. 2014-03-20 18:15:37 +00:00
block_if.c Use calloc() in favor of malloc + memset. 2014-04-22 18:55:21 +00:00
block_if.h Block-layer backend interface for bhyve block-io device emulations. 2013-10-04 16:52:03 +00:00
consport.c Handle single-byte reads from the bvmcons port (0x220) by returning 2014-04-08 21:02:03 +00:00
dbgport.c Mark the I/O ports used by the bhyve console and debug devices as system 2014-02-07 20:53:41 +00:00
dbgport.h Change the behavior of bhyve such that the gdb listening port is opt-in 2013-10-08 16:36:17 +00:00
inout.c Factor out common ioport handler code for better hygiene -- pointed 2014-04-22 16:13:56 +00:00
inout.h Support soft power-off via the ACPI S5 state for bhyve guests. 2013-12-24 16:14:19 +00:00
ioapic.c Enhance the support for PCI legacy INTx interrupts and enable them in 2014-01-29 14:56:48 +00:00
ioapic.h Enhance the support for PCI legacy INTx interrupts and enable them in 2014-01-29 14:56:48 +00:00
Makefile Provide a very basic stub for the 8042 PS/2 keyboard controller. 2014-04-25 13:38:18 +00:00
mem.c Remove obsolete comment about lack of locking for MMIO range lookup. 2013-04-10 18:53:14 +00:00
mem.h Improve PCI BAR emulation: 2013-04-10 02:12:39 +00:00
mevent_test.c Add simplistic periodic timer support to mevent using kqueue's 2013-09-19 04:48:26 +00:00
mevent.c Re-adding an event to a kqueue modifies the parameters of the original event. 2014-05-05 16:30:03 +00:00
mevent.h Extend the ACPI power management support to wire a virtual power button up 2013-12-28 04:01:05 +00:00
mptbl.c Don't allow MPtable generation if there are multiple PCI hierarchies. This is 2014-05-02 04:51:31 +00:00
mptbl.h Make the virtual ioapic available unconditionally in a bhyve virtual machine. 2013-10-31 05:44:45 +00:00
pci_ahci.c Implement legacy interrupts for the AHCI device emulation 2014-04-28 18:41:25 +00:00
pci_emul.c Don't allow MPtable generation if there are multiple PCI hierarchies. This is 2014-05-02 04:51:31 +00:00
pci_emul.h Don't allow MPtable generation if there are multiple PCI hierarchies. This is 2014-05-02 04:51:31 +00:00
pci_hostbridge.c Changes required for OpenBSD/amd64: 2013-10-17 22:01:17 +00:00
pci_lpc.c Fix ACPI DSDT indentation cosmetic breakage introduced in r264631 -- 2014-04-18 16:01:19 +00:00
pci_lpc.h Rework the DSDT generation code a bit to generate more accurate info about 2014-01-02 21:26:59 +00:00
pci_passthru.c Use calloc() in favor of malloc + memset. 2014-04-22 18:55:21 +00:00
pci_uart.c Enhance the support for PCI legacy INTx interrupts and enable them in 2014-01-29 14:56:48 +00:00
pci_virtio_block.c Use calloc() in favor of malloc + memset. 2014-04-22 18:55:21 +00:00
pci_virtio_net.c Use calloc() in favor of malloc + memset. 2014-04-22 18:55:21 +00:00
pci_virtio_rnd.c Use calloc() in favor of malloc + memset. 2014-04-22 18:55:21 +00:00
pm.c Add support for emulating the slave PIC. 2014-04-14 19:00:20 +00:00
pmtmr.c Extend the ACPI power management support to wire a virtual power button up 2013-12-28 04:01:05 +00:00
post.c Rework the DSDT generation code a bit to generate more accurate info about 2014-01-02 21:26:59 +00:00
rtc.c Rework the DSDT generation code a bit to generate more accurate info about 2014-01-02 21:26:59 +00:00
rtc.h Implement RTC CMOS nvram. Init some fields that are used 2013-07-11 03:54:35 +00:00
smbiostbl.c Add SMBIOS support. 2014-03-04 17:12:06 +00:00
smbiostbl.h Add SMBIOS support. 2014-03-04 17:12:06 +00:00
spinup_ap.c Use 'cpuset_t' to represent the vcpus active in a virtual machine. 2014-03-20 18:15:37 +00:00
spinup_ap.h
uart_emul.c Disable the 'uart_drain()' callback when the emulated receive FIFO is full. 2014-05-05 23:54:13 +00:00
uart_emul.h Add support for PCI-to-ISA LPC bridge emulation. If the LPC bus is attached 2013-10-29 00:18:11 +00:00
virtio.c Enhance the support for PCI legacy INTx interrupts and enable them in 2014-01-29 14:56:48 +00:00
virtio.h Add support for the virtio RNG entropy-source device. 2014-04-02 20:18:17 +00:00
xmsr.c Ignore writes to microcode update MSR. This MSR is accessed by RHEL7 guest. 2014-04-30 02:08:27 +00:00
xmsr.h Add an option to ignore accesses by the guest to unimplemented MSRs. 2013-12-19 22:27:28 +00:00