Remove the non transitional name for virtio iommu. Like other
devices introduced after 1.0 spec, the virtio-iommu does
not need it.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reported-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20211013191755.767468-2-eric.auger@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Check vdpa device range before updating memory regions so we don't add
any outside of it, and report the invalid change if any.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20211014141236.923287-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Abstract this operation, that will be reused when validating the region
against the iova range that the device supports.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211014141236.923287-3-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Following the logic of commit 56918a126a ("memory: Add RAM_PROTECTED
flag to skip IOMMU mappings") with VFIO, skip memory sections
inaccessible via normal mechanisms, including DMA.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211014141236.923287-2-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
.. only if TCG is available
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-16-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Suggested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210902113551.461632-15-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
and drop custom function that were doing the job
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-14-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
follow up call with smbios options generates the same ACPI tables,
so there is no need to run smbios-less variant at all.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-13-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-11-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-10-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-8-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-7-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Set -smp 1,maxcpus=288 to test for ACPI code that
deal with CPUs with large APIC ID (>255).
PS:
Test requires KVM and in-kernel irqchip support,
so skip test if KVM is not available.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-5-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-4-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently it is not possible to create tests that have KVM as a hard
requirement on a host that doesn't support KVM for tested target
binary (modulo going through the trouble of compiling out
the offending test case).
Following scenario makes test fail when it's run on non x86 host:
qemu-system-x86_64 -enable-kvm -M q35,kernel-irqchip=on -smp 1,maxcpus=288
This patch introduces qtest_has_accel() to let users check if accel is
available in advance and avoid executing non run-able test-cases.
It implements detection of TCG and KVM only, the rest could be
added later on, when we actually start testing them in qtest.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210902113551.461632-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Hi
This should fix all the freebsd problems.
Please apply,
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration.next-pull-request' into staging
Migration Pull request (3rd try)
Hi
This should fix all the freebsd problems.
Please apply,
# gpg: Signature made Tue 19 Oct 2021 02:28:51 AM PDT
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
* remotes/juanquintela/tags/migration.next-pull-request:
migration/rdma: advise prefetch write for ODP region
migration/rdma: Try to register On-Demand Paging memory region
migration: allow enabling mutilfd for specific protocol only
migration: allow multifd for socket protocol only
migration/ram: Don't passs RAMState to migration_clear_memory_region_dirty_bitmap_*()
multifd: Unconditionally unregister yank function
multifd: Implement yank for multifd send side
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The responder mr registering with ODP will sent RNR NAK back to
the requester in the face of the page fault.
---------
ibv_poll_cq wc.status=13 RNR retry counter exceeded!
ibv_poll_cq wrid=WRITE RDMA!
---------
ibv_advise_mr(3) helps to make pages present before the actual IO is
conducted so that the responder does page fault as little as possible.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Previously, for the fsdax mem-backend-file, it will register failed with
Operation not supported. In this case, we can try to register it with
On-Demand Paging[1] like what rpma_mr_reg() does on rpma[2].
[1]: https://community.mellanox.com/s/article/understanding-on-demand-paging--odp-x
[2]: http://pmem.io/rpma/manpages/v0.9.0/rpma_mr_reg.3
CC: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
To: <quintela@redhat.com>, <dgilbert@redhat.com>, <qemu-devel@nongnu.org>
CC: Li Zhijian <lizhijian@cn.fujitsu.com>
Date: Sat, 31 Jul 2021 22:05:52 +0800 (5 weeks, 4 days, 17 hours ago)
And change the default to true so that in '-incoming defer' case, user is able
to change multifd capability.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
To: <quintela@redhat.com>, <dgilbert@redhat.com>, <qemu-devel@nongnu.org>
CC: Li Zhijian <lizhijian@cn.fujitsu.com>
Date: Sat, 31 Jul 2021 22:05:51 +0800 (5 weeks, 4 days, 17 hours ago)
multifd with unsupported protocol will cause a segment fault.
(gdb) bt
#0 0x0000563b4a93faf8 in socket_connect (addr=0x0, errp=0x7f7f02675410) at ../util/qemu-sockets.c:1190
#1 0x0000563b4a797a03 in qio_channel_socket_connect_sync
(ioc=0x563b4d16e8c0, addr=0x0, errp=0x7f7f02675410) at
../io/channel-socket.c:145
#2 0x0000563b4a797abf in qio_channel_socket_connect_worker (task=0x563b4cd86c30, opaque=0x0) at ../io/channel-socket.c:168
#3 0x0000563b4a792631 in qio_task_thread_worker (opaque=0x563b4cd86c30) at ../io/task.c:124
#4 0x0000563b4a91da69 in qemu_thread_start (args=0x563b4c44bb80) at ../util/qemu-thread-posix.c:541
#5 0x00007f7fe9b5b3f9 in ?? ()
#6 0x0000000000000000 in ?? ()
It's enough to check migrate_multifd_is_allowed() in multifd cleanup() and
multifd setup() though there are so many other places using migrate_use_multifd().
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The parameter is unused, let's drop it.
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
To: qemu-devel <qemu-devel@nongnu.org>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Juan Quintela
<quintela@redhat.com>, Peter Xu <peterx@redhat.com>, Leonardo Bras Soares
Passos <lsoaresp@redhat.com>
Date: Wed, 4 Aug 2021 21:26:32 +0200 (5 weeks, 11 hours, 52 minutes ago)
[[PGP Signed Part:No public key for 35AB0B289C5DB258 created at 2021-08-04T21:26:32+0200 using RSA]]
Unconditionally unregister yank function in multifd_load_cleanup().
If it is not unregistered here, it will leak and cause a crash
in yank_unregister_instance(). Now if the ioc is still in use
afterwards, it will only lead to qemu not being able to recover
from a hang related to that ioc.
After checking the code, i am pretty sure that ref is always 1
when arriving here. So all this currently does is remove the
unneeded check.
Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
To: qemu-devel <qemu-devel@nongnu.org>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Juan Quintela
<quintela@redhat.com>, Peter Xu <peterx@redhat.com>, Leonardo Bras Soares
Passos <lsoaresp@redhat.com>
Date: Wed, 1 Sep 2021 17:58:57 +0200 (1 week, 15 hours, 17 minutes ago)
[[PGP Signed Part:No public key for 35AB0B289C5DB258 created at 2021-09-01T17:58:57+0200 using RSA]]
When introducing yank functionality in the migration code I forgot
to cover the multifd send side.
Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Tested-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Merge the dependencies for arm, aarch64, and riscv64 architectures. This joins
together two patch series:
[PATCH v2 00/15] bsd-user: misc cleanup for aarch64 import
Prepare for aarch64 support (the next architecture to be upstreamed). As the
aarch64 emulation is more complete, it relies on a number of different items.
In some cases, I've pulled in the full support from bsd-user fork. In other
cases I've created a simple stub (as is the case for signals, which have
independent changes pending, so I wanted to be as minimal as possible. Since
all pre-12.2 support was purged from the bsd-user fork, go ahead and remove it
here. FreeBSD 11.x goes ouft of support at the end of the month. Remove what
little multi-version support that's in upstream.
and
[PATCH v3 0/9] bsd-user mmap fixes
This series synchronizes mmap.c with the bsd-user fork. This is a mix of old bug
fixes pulled in from linux-user, as well as some newer fixes to adress bugs
found in check-tcg and recent FreeBSD developments. There are also a couple of
style commits. Updated to migrate debugging to qemu_log.
as well as a couple of minor rebase tweaks. In addition, the next two
architectures I plan on upstreaming (arm and riscv64) also have their prereqs
satisfied with this request.
v2: Remove accidental module regression in patch 7 and try again.
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Comment: GPGTools - https://gpgtools.org
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Merge remote-tracking branch 'remotes/bsdimp/tags/pull-bsd-user-20211018-pull-request' into staging
bsd-user pull request: merge dependencies for next architectures
Merge the dependencies for arm, aarch64, and riscv64 architectures. This joins
together two patch series:
[PATCH v2 00/15] bsd-user: misc cleanup for aarch64 import
Prepare for aarch64 support (the next architecture to be upstreamed). As the
aarch64 emulation is more complete, it relies on a number of different items.
In some cases, I've pulled in the full support from bsd-user fork. In other
cases I've created a simple stub (as is the case for signals, which have
independent changes pending, so I wanted to be as minimal as possible. Since
all pre-12.2 support was purged from the bsd-user fork, go ahead and remove it
here. FreeBSD 11.x goes ouft of support at the end of the month. Remove what
little multi-version support that's in upstream.
and
[PATCH v3 0/9] bsd-user mmap fixes
This series synchronizes mmap.c with the bsd-user fork. This is a mix of old bug
fixes pulled in from linux-user, as well as some newer fixes to adress bugs
found in check-tcg and recent FreeBSD developments. There are also a couple of
style commits. Updated to migrate debugging to qemu_log.
as well as a couple of minor rebase tweaks. In addition, the next two
architectures I plan on upstreaming (arm and riscv64) also have their prereqs
satisfied with this request.
v2: Remove accidental module regression in patch 7 and try again.
# gpg: Signature made Mon 18 Oct 2021 12:00:28 PM PDT
# gpg: using RSA key 2035F894B00AA3CF7CCDE1B76C1CD1287DB01100
# gpg: Good signature from "Warner Losh <wlosh@netflix.com>" [unknown]
# gpg: aka "Warner Losh <imp@bsdimp.com>" [unknown]
# gpg: aka "Warner Losh <imp@freebsd.org>" [unknown]
# gpg: aka "Warner Losh <imp@village.org>" [unknown]
# gpg: aka "Warner Losh <wlosh@bsdimp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 2035 F894 B00A A3CF 7CCD E1B7 6C1C D128 7DB0 1100
* remotes/bsdimp/tags/pull-bsd-user-20211018-pull-request: (23 commits)
bsd-user/signal: Create a dummy signal queueing function
bsd-user: Rename sigqueue to qemu_sigqueue
bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface
bsd-user: Add stop_all_tasks
bsd-user: Remove used from TaskState
bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it
bsd-user/target_os_elf.h: Remove fallback ELF_HWCAP and reorder
bsd-user: move TARGET_MC_GET_CLEAR_RET to target_os_signal.h
bsd-user/errno_defs.h: Add internal error numbers
bsd-user: export get_errno and is_error from syscall.c
bsd-user: TARGET_RESET define is unused, remove it
bsd-user/strace.list: Remove support for FreeBSD versions older than 12.0
bsd-user/target_os-user.h: Remove support for FreeBSD older than 12.0
meson: *-user: only descend into *-user when configured
bsd-user/mmap.c: assert that target_mprotect cannot fail
bsd-user/mmap.c: Implement MAP_EXCL, required by jemalloc in head
bsd-user/mmap.c: Don't mmap fd == -1 independently from MAP_ANON flag
bsd-user/mmap.c: Convert to qemu_log logging for mmap debugging
bsd-user/mmap.c: mmap prefer MAP_ANON for BSD
bsd-user/mmap.c: mmap return ENOMEM on overflow
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create dummy signal queueing function so we can start to integrate other
architectures (at the cost of signals remaining broken) to tame the
dependency graph a bit and to bring in signals in a more controlled
fashion. Log unimplemented events to it in the mean time.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
To avoid a name clash with FreeBSD's sigqueue data structure in
signalvar.h, rename sigqueue to qemu_sigqueue. This structure
is currently defined, but unused.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
do_freebsd_arch_sysarch() exists in $ARCH/target_arch_sysarch.h for x86.
Call it from do_freebsd_sysarch() and remove the mostly duplicate
version in syscall.c. Future changes will move it to os-sys.c and
support other architectures.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Similar to the same function in linux-user: this stops all the current tasks.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
The 'used' field in TaskState is write only. Remove it from TaskState.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Some architectures publish AT_HWCAP2 as well as AT_HWCAP. Those
architectures will define ELF_HWCAP2 in their target_arch_elf.h files
for the value for this process. If it is defined, then publish it.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
All architectures have a ELF_HWCAP, so remove the fallback ifdef.
Place ELF_HWCAP in the same order as on native FreeBSD.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Move TARGET_MC_GET_CLEAR_RET to freebsd/target_os_signal.h since it's
architecture agnostic on FreeBSD.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
To emulate signals and interrupted system calls, we need to have the
same mechanisms we have in the kernel, including these errno values.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Make get_errno and is_error global so files other than syscall.c can use
them.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
To increase flexibility, only descend into *-user when that is
configured. This allows *-user to selectively include directories based
on the host OS which may not exist on all hosts. Adopt Paolo's
suggestion of checking the configuration in the directories that know
about the configuration.
Message-Id: <20210926220103.1721355-2-f4bug@amsat.org>
Message-Id: <20210926220103.1721355-3-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Warner Losh <wlosh@bsdimp.com>
Acked-by: Paolo Bonzini <pbonzinni@redhat.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Similar to the equivalent linux-user change 86abac06c1. All error
conditions that target_mprotect checks are also checked by target_mmap.
EACCESS cannot happen because we are just removing PROT_WRITE. ENOMEM
should not happen because we are modifying a whole VMA (and we have
bigger problems anyway if it happens).
Fixes a Coverity false positive, where Coverity complains about
target_mprotect's return value being passed to tb_invalidate_phys_range.
Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
jemalloc requires a working MAP_EXCL. Ensure that no page is double
mapped when specified. In addition, use guest_range_valid_untagged to
test for valid ranges of pages rather than an incomplete inlined version
of the test that might be wrong.
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Switch checks for !(flags & MAP_ANONYMOUS) with checks for fd != -1.
MAP_STACK and MAP_GUARD both require fd == -1 and don't require mapping
the fd either. Add analysis from Guy Yur detailing the different cases
for MAP_GUARD and MAP_STACK.
Signed-off-by: Guy Yur <guyyur@gmail.com>
[ partially merged before, finishing the job and documenting origin]
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Hardware emulation:
- Generate FDT blob for Boston machine (Jiaxun)
- VIA chipset cleanups (Zoltan)
TCG:
- Use tcg_constant() in Compact branch and MSA opcodes
- Restrict nanoMIPS DSP MULT[U] opcode accumulator to Rel6
- Fix DEXTRV_S.H DSP opcode
- Remove unused TCG temporary for some DSP opcodes
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Merge remote-tracking branch 'remotes/philmd/tags/mips-20211018' into staging
MIPS patches queue
Hardware emulation:
- Generate FDT blob for Boston machine (Jiaxun)
- VIA chipset cleanups (Zoltan)
TCG:
- Use tcg_constant() in Compact branch and MSA opcodes
- Restrict nanoMIPS DSP MULT[U] opcode accumulator to Rel6
- Fix DEXTRV_S.H DSP opcode
- Remove unused TCG temporary for some DSP opcodes
# gpg: Signature made Sun 17 Oct 2021 03:50:57 PM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
* remotes/philmd/tags/mips-20211018:
via-ide: Avoid using isa_get_irq()
vt82c686: Add a method to VIA_ISA to raise ISA interrupts
vt82c686: Move common code to via_isa_realize
via-ide: Set user_creatable to false
target/mips: Remove unused TCG temporary in gen_mipsdsp_accinsn()
target/mips: Fix DEXTRV_S.H DSP opcode
target/mips: Use tcg_constant_tl() in gen_compute_compact_branch()
target/mips: Use explicit extract32() calls in gen_msa_i5()
target/mips: Use tcg_constant_i32() in gen_msa_3rf()
target/mips: Use tcg_constant_i32() in gen_msa_2r()
target/mips: Use tcg_constant_i32() in gen_msa_2rf()
target/mips: Use tcg_constant_i32() in gen_msa_elm_df()
target/mips: Remove unused register from MSA 2R/2RF instruction format
hw/mips/boston: Add FDT generator
hw/mips/boston: Allow loading elf kernel and dtb
hw/mips/boston: Massage memory map information
target/mips: Check nanoMIPS DSP MULT[U] accumulator with Release 6
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
MAP_ANON and MAP_ANONYMOUS are identical. Prefer MAP_ANON for BSD since
the file is now a confusing mix of the two.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
mmap should return ENOMEM on len overflow rather than EINVAL. Return
EINVAL when len == 0 and ENOMEM when the rounded to a page length is 0.
Found by make check-tcg.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
All these MAP_ symbols are always defined on supported FreeBSD versions
(12.2 and newer), so remove the #ifdefs since they aren't needed.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
