Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* switch to C11 atomics (Alex)
* Coverity fixes for IPMI (Corey), i386 (Paolo), qemu-char (Paolo)
* at long last, fail o

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* switch to C11 atomics (Alex)
* Coverity fixes for IPMI (Corey), i386 (Paolo), qemu-char (Paolo)
* at long last, fail on wrong .pc files if -m32 is in use (Daniel)
* qemu-char regression fix (Daniel)
* SAS1068 device (Paolo)
* memory region docs improvements (Peter)
* target-i386 cleanups (Richard)
* qemu-nbd docs improvements (Sitsofe)
* thread-safe memory hotplug (Stefan)

# gpg: Signature made Tue 09 Feb 2016 16:09:30 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (33 commits)
qemu-char, io: fix ordering of arguments for UDP socket creation
MAINTAINERS: add all-match entry for qemu-devel@
get_maintainer.pl: fall back to git if only lists are found
target-i386: fix PSE36 mode
docs/memory.txt: Improve list of different memory regions
ipmi_bmc_sim: Add break to correct watchdog NMI check
ipmi_bmc_sim: Fix off by one in check.
ipmi: do not take/drop iothread lock
target-i386: Deconstruct the cpu_T array
target-i386: Tidy gen_add_A0_im
target-i386: Rewrite leave
target-i386: Rewrite gen_enter inline
target-i386: Use gen_lea_v_seg in pusha/popa
target-i386: Access segs via TCG registers
target-i386: Use gen_lea_v_seg in stack subroutines
target-i386: Use gen_lea_v_seg in gen_lea_modrm
target-i386: Introduce mo_stacksize
target-i386: Create gen_lea_v_seg
char: fix repeated registration of tcp chardev I/O handlers
kvm-all: trace: strerror fixup
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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hw: Add support for LSI SAS1068 (mptsas) device

This adds the SAS1068 device, a SAS disk controller used in VMware that
is oldish but widely supported and has decent performance. Unlike
megasas, it

hw: Add support for LSI SAS1068 (mptsas) device

This adds the SAS1068 device, a SAS disk controller used in VMware that
is oldish but widely supported and has decent performance. Unlike
megasas, it presents itself as a SAS controller and not as a RAID
controller. The device corresponds to the mptsas kernel driver in
Linux.

A few small things in the device setup are based on Don Slutz's old
patch, but the device emulation was written from scratch based on Don's
SeaBIOS patch and on the FreeBSD and Linux drivers. It is 2400 lines
shorter than Don's patch (and roughly the same size as MegaSAS---also
because it doesn't support the similar SPI controller), implements SCSI
task management functions (with asynchronous cancellation), supports
big-endian hosts, has complete support for migration and follows the
QEMU coding standards much more closely.

To write the driver, I first split Don's patch in two parts, with
the configuration bits in one file and the rest in a separate file.
I first left mptconfig.c in place and rewrote the rest, then deleted
mptconfig.c as well. The configuration pages are still based mostly on
VirtualBox's, though not exactly the same. However, the implementation
is completely different. The contents of the pages themselves should
not be copyrightable.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Message-Id: <1347382813-5662-1-git-send-email-Don@CloudSwitch.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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