FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=upstream%2F10.1.0 2014-10-29T16:49:28Z 2014-10-29T16:49:28Z Neel Natu neel@FreeBSD.org 2014-10-29T16:49:28Z urn:sha1:9ccc2d8e5eddc7ae8cf23d3dc0e083a085394af4 Fix a race in pmap_emulate_accessed_dirty() that could trigger a EPT misconfiguration VM-exit. MFS10 r273807, MFC r273666: Don't pass the 'error' return from an I/O port handler directly to vm_run(). Approved by: re (kib) 2014-10-01T23:15:23Z Peter Grehan grehan@FreeBSD.org 2014-10-01T23:15:23Z urn:sha1:1544081a70260d652b750e0e9bd3fff1dd28e4e0 Allow the PIC's IMR register to be read before ICW initialisation. As of git submit e179f6914152eca9, the Linux kernel does a simple probe of the PIC by writing a pattern to the IMR and then reading it back, prior to the init sequence of ICW words. The bhyve PIC emulation wasn't allowing the IMR to be read until the ICW sequence was complete. This limitation isn't required so relax the test. With this change, Linux kernels 3.15-rc2 and later won't hang on boot when calibrating the local APIC. Approved by: re (gjb) 2014-09-30T16:55:19Z Bjoern A. Zeeb bz@FreeBSD.org 2014-09-30T16:55:19Z urn:sha1:39fb56a779c48625784866a7f37efed0ae0b189b Revert changes to shared code of the ixl and ixlv drivers to allow for easier long-term maintainability. Restrict the drivers to building on amd64 for now as it is only tested on that 64bit architecture. Just depend on PCI and neither INET nor INET6; also make sure we can build individual drivers and they do not depend on each other anymore. Reviewed by: gnn, eric.joyner intel.com PR: 193824 Approved by: re (gjb) 2014-09-23T07:53:32Z Bjoern A. Zeeb bz@FreeBSD.org 2014-09-23T07:53:32Z urn:sha1:486921cc6d083bb59759715996e6027a1c611559 Re-gen after r272020 (r271743 in head) implementing most of timer_{create,settime,gettime,getoverrun,delete}. Approved by: re (gjb) Sponsored by: DARPA/AFRL 2014-09-23T07:50:04Z Bjoern A. Zeeb bz@FreeBSD.org 2014-09-23T07:50:04Z urn:sha1:8a7ffee45dabd8b260a2fd8154797488d4f5a807 Implement most of timer_{create,settime,gettime,getoverrun,delete} for amd64/linux32. Fix the entirely bogus (untested) version from r161310 for i386/linux using the same shared code in compat/linux. It is unclear to me if we could support more clock mappings but the current set allows me to successfully run commercial 32bit linux software under linuxolator on amd64. Reviewed by: jhb Differential Revision: D784 Sponsored by: DARPA, AFRL Approved by: re (gjb) 2014-09-22T20:34:36Z John Baldwin jhb@FreeBSD.org 2014-09-22T20:34:36Z urn:sha1:acf42cdabd1da09df7da52f2f718b955ada83cd1 Save and restore FPU state across suspend and resume on i386. - Create a separate structure for per-CPU state saved across suspend and resume that is a superset of a pcb. - Store the FPU state for suspend and resume in the new structure (for amd64, this moves it out of the PCB) - On both i386 and amd64, all of the FPU suspend/resume handling is now done in C. Approved by: re (hrs) 2014-09-20T14:24:48Z Konstantin Belousov kib@FreeBSD.org 2014-09-20T14:24:48Z urn:sha1:bd4dfe37a284e0ed2b017e22fb2beae424885ff3 Presence of any VM_PROT bits in the permission argument on x86 implies that the entry is readable and valid. Approved by: re (gjb) 2014-09-16T01:59:19Z Peter Grehan grehan@FreeBSD.org 2014-09-16T01:59:19Z urn:sha1:18837babc97eed0cf555becd3f902a1c636db090 Implement the 0x2B SUB instruction, and the OR variant of 0x81. Found with local APIC accesses from bitrig/amd64 bsd.rd, 07/15-snap. Approved by: re (rodrigc) 2014-09-13T18:27:47Z Pedro F. Giffuni pfg@FreeBSD.org 2014-09-13T18:27:47Z urn:sha1:4c4df428d1d6fbeda7867950b222f2d0256eeed1 Apply known workarounds for less modern MacBooks. The legacy USB circuit tends to give trouble on older MacBooks. While the original report covered MacBook4, extend the fix preemptively for the newer MacBookPro4 too. PR: 191693 Reviewed by: emaste Approved by: re 2014-09-08T21:10:51Z Ed Maste emaste@FreeBSD.org 2014-09-08T21:10:51Z urn:sha1:71b9b37c7000e81d336b12c11fea82c3d49105e0 Approved by: re Sponsored by: The FreeBSD Foundation