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Signed-off-by: Brad Smith <brad@comstyle.com>
Message-ID: <ZqXB_zz0fR1CpA7k@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Sometimes zero is a valid value for getauxval (e.g. AT_EXECFD). Make
sure that we can distinguish between a valid zero value and a not found
entry by setting errno.
Assumes that getauxval from sys/auxv.h sets errno correctly.
Signed-off-by: Vivian Wang <uwu@dram.page>
Message-ID: <20240723100545.405476-2-uwu@dram.page>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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aio_context_set_thread_pool_params() takes two int64_t arguments to
set the minimum and maximum number of threads in the pool. We do
some bounds checking on these, but we don't catch the case where the
inputs are negative. This means that later in the function when we
assign these inputs to the AioContext::thread_pool_min and
::thread_pool_max fields, which are of type int, the values might
overflow the smaller type.
A negative number of threads is meaningless, so make
aio_context_set_thread_pool_params() return an error if either min or
max are negative.
Resolves: Coverity CID 1547605
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240723150927.1396456-1-peter.maydell@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Add the fifo8_drop() helper for clarity.
It is a simple wrapper over fifo8_pop_buf().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-8-philmd@linaro.org>
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Extract fifo8_pop_buf() from hw/scsi/esp.c and expose
it as part of the <qemu/fifo8.h> API. This function takes
care of non-contiguous (wrapped) FIFO buffer (which is an
implementation detail).
Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-7-philmd@linaro.org>
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Since fifo8_pop_buf() return a const buffer (which points
directly into the FIFO backing store). Rename it using the
'bufptr' suffix to better reflect that it is a pointer to
the internal buffer that is being returned. This will help
differentiate with methods *copying* the FIFO data.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-6-philmd@linaro.org>
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Since fifo8_peek_buf() return a const buffer (which points
directly into the FIFO backing store). Rename it using the
'bufptr' suffix to better reflect that it is a pointer to
the internal buffer that is being returned. This will help
differentiate with methods *copying* the FIFO data.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-5-philmd@linaro.org>
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Avoid open-coding fifo8_reset() in fifo8_create().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240722160745.67904-4-philmd@linaro.org>
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Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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into staging
virtio: features,fixes
A bunch of improvements:
- vhost dirty log is now only scanned once, not once per device
- virtio and vhost now support VIRTIO_F_NOTIFICATION_DATA
- cxl gained DCD emulation support
- pvpanic gained shutdown support
- beginning of patchset for Generic Port Affinity Structure
- s3 support
- friendlier error messages when boot fails on some illegal configs
- for vhost-user, VHOST_USER_SET_LOG_BASE is now only sent once
- part of vhost-user support for any POSIX system -
not yet enabled due to qtest failures
- sr-iov VF setup code has been reworked significantly
- new tests, particularly for risc-v ACPI
- bugfixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (85 commits)
hw/pci: Replace -1 with UINT32_MAX for romsize
pcie_sriov: Register VFs after migration
pcie_sriov: Remove num_vfs from PCIESriovPF
pcie_sriov: Release VFs failed to realize
pcie_sriov: Reuse SR-IOV VF device instances
pcie_sriov: Ensure VF function number does not overflow
pcie_sriov: Do not manually unrealize
hw/ppc/spapr_pci: Do not reject VFs created after a PF
hw/ppc/spapr_pci: Do not create DT for disabled PCI device
hw/pci: Rename has_power to enabled
virtio-iommu: Clear IOMMUDevice when VFIO device is unplugged
virtio: remove virtio_tswap16s() call in vring_packed_event_read()
hw/cxl/events: Mark cxl-add-dynamic-capacity and cxl-release-dynamic-capcity unstable
hw/cxl/events: Improve QMP interfaces and documentation for add/release dynamic capacity.
tests/data/acpi/rebuild-expected-aml.sh: Add RISC-V
pc-bios/meson.build: Add support for RISC-V in unpack_edk2_blobs
meson.build: Add RISC-V to the edk2-target list
tests/data/acpi/virt: Move ARM64 ACPI tables under aarch64/${machine} path
tests/data/acpi: Move x86 ACPI tables under x86/${machine} path
tests/qtest/bios-tables-test.c: Set "arch" for x86 tests
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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With recent linux kernels, there is a syscall to probe for various
ISA extensions. These bits were phased in over several kernel
releases, so we still require checks for symbol availability.
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reported-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Move detection code out of tcg, similar to other hosts.
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <ZneEh51XKhxgZKpp@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Brad Smith <brad@comstyle.com>
Message-Id: <Zn9cJ3puWr5lIgsg@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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OpenBSD does not support AT_HWCAP.
Signed-off-by: Brad Smith <brad@comstyle.com>
Message-Id: <ZnzM1T6Vo1Q0yAH-@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In vhost-user-server we set all fd received from the other peer
in non-blocking mode. For some of them (e.g. memfd, shm_open, etc.)
it's not really needed, because we don't use these fd with blocking
operations, but only to map memory.
In addition, in some systems this operation can fail (e.g. in macOS
setting an fd returned by shm_open() non-blocking fails with errno
= ENOTTY).
So, let's avoid setting fd non-blocking for those messages that we
know carry memory fd (e.g. VHOST_USER_ADD_MEM_REG,
VHOST_USER_SET_MEM_TABLE).
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20240618100043.144657-6-sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit b18236897ca15c3db1506d8edb9a191dfe51429c.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This reverts commit 45ccdbcb24baf99667997fac5cf60318e5e7db51.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Move the key functionality of moving time forward into the clock
sub-system itself. This will allow us to plumb in time control into
plugins.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240620152220.2192768-7-alex.bennee@linaro.org>
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Add the direct-io migration parameter that tells the migration code to
use O_DIRECT when opening the migration stream file whenever possible.
This is currently only used with the mapped-ram migration that has a
clear window guaranteed to perform aligned writes.
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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I'm keeping the EACCES because callers expect to be able to look at
errno.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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Those functions are not needed, one remove function should already
work. Clean it up.
Here the code doesn't really care about whether we need to keep that dupfd
around if close() failed: when that happens something got very wrong,
keeping the dup_fd around the fdsets may not help that situation so far.
Cc: Dr. David Alan Gilbert <dave@treblig.org>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
[add missing return statement, removal during traversal is not safe]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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tcg/loongarch64: Support 64- and 256-bit vectors
tcg/loongarch64: Fix tcg_out_movi vs some pcrel pointers
util/bufferiszero: Split out host include files
util/bufferiszero: Add loongarch64 vector acceleration
accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded
target/sparc: use signed denominator in sdiv helper
linux-user: Make TARGET_NR_setgroups affect only the current thread
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# gpg: Signature made Wed 19 Jun 2024 01:58:43 PM PDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-tcg-20240619' of https://gitlab.com/rth7680/qemu: (24 commits)
tcg/loongarch64: Fix tcg_out_movi vs some pcrel pointers
target/sparc: use signed denominator in sdiv helper
linux-user: Make TARGET_NR_setgroups affect only the current thread
accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded
util/bufferiszero: Add loongarch64 vector acceleration
util/bufferiszero: Split out host include files
tcg/loongarch64: Enable v256 with LASX
tcg/loongarch64: Support LASX in tcg_out_vec_op
tcg/loongarch64: Split out vdvjukN in tcg_out_vec_op
tcg/loongarch64: Remove temp_vec from tcg_out_vec_op
tcg/loongarch64: Support LASX in tcg_out_{mov,ld,st}
tcg/loongarch64: Split out vdvjvk in tcg_out_vec_op
tcg/loongarch64: Support LASX in tcg_out_addsub_vec
tcg/loongarch64: Simplify tcg_out_addsub_vec
tcg/loongarch64: Support LASX in tcg_out_dupi_vec
tcg/loongarch64: Use tcg_out_dup_vec in tcg_out_dupi_vec
tcg/loongarch64: Support LASX in tcg_out_dupm_vec
tcg/loongarch64: Support LASX in tcg_out_dup_vec
tcg/loongarch64: Simplify tcg_out_dup_vec
util/loongarch64: Detect LASX vector support
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Split out host/bufferiszero.h.inc for x86, aarch64 and generic
in order to avoid an overlong ifdef ladder.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Add support for the unix-line-discard readline action, which erases from
the cursor position up to the beginning of the line. The default
binding, C-u, was chosen.
This is useful to quickly erase command input while working on the
monitor interface.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <6772067e1c0d4b1c5310e5446e9e3e1c6b3b5bc0.1718265822.git.manos.pitsidianakis@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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C-n and C-p are the default bindings for readline's next-history and
previous-history respectively. They have the same functionality as the
Down and Up arrow keys.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <9876594132d1f2e7210ab3f7ca01a82f95206447.1718265822.git.manos.pitsidianakis@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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While they do not give warnings under our current buildsystem
configuration, my clang's language server daemon was complaining about
missing default: labels in switch statements.
While at it, add /* fallthrough */ annotations where appropriate.
This is a purely style and not functional change.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <16f745ac7f5fef74498709ffd98857e76edff6aa.1718265822.git.manos.pitsidianakis@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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* scsi-disk: Don't silently truncate serial number
* backends/hostmem: Report error on unavailable qemu_madvise() features or unaligned memory sizes
* target/i386: fixes and documentation for INHIBIT_IRQ/TF/RF and debugging
* i386/hvf: Adds support for INVTSC cpuid bit
* i386/hvf: Fixes for dirty memory tracking
* i386/hvf: Use hv_vcpu_interrupt() and hv_vcpu_run_until()
* hvf: Cleanups
* stubs: fixes for --disable-system build
* i386/kvm: support for FRED
* i386/kvm: fix MCE handling on AMD hosts
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# gpg: Signature made Sat 08 Jun 2024 01:33:46 AM PDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (42 commits)
python: mkvenv: remove ensure command
Revert "python: use vendored tomli"
i386: Add support for overflow recovery
i386: Add support for SUCCOR feature
i386: Fix MCE support for AMD hosts
docs: i386: pc: Avoid mentioning limit of maximum vCPUs
target/i386: Add get/set/migrate support for FRED MSRs
target/i386: enumerate VMX nested-exception support
vmxcap: add support for VMX FRED controls
target/i386: mark CR4.FRED not reserved
target/i386: add support for FRED in CPUID enumeration
hvf: Makes assert_hvf_ok report failed expression
i386/hvf: Updates API usage to use modern vCPU run function
i386/hvf: In kick_vcpu use hv_vcpu_interrupt to force exit
i386/hvf: Fixes dirty memory tracking by page granularity RX->RWX change
hvf: Consistent types for vCPU handles
i386/hvf: Fixes some compilation warnings
i386/hvf: Adds support for INVTSC cpuid bit
stubs/meson: Fix qemuutil build when --disable-system
scsi-disk: Don't silently truncate serial number
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Not every OS is capable of madvise() or posix_madvise() even. In
that case, errno should be set to ENOSYS as it reflects the cause
better.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <b381c23bd8f413f1453a2c1a66e0979beaf27433.1717584048.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The unspoken premise of qemu_madvise() is that errno is set on
error. And it is mostly the case except for posix_madvise() which
is documented to return either zero (on success) or a positive
error number. This means, we must set errno ourselves. And while
at it, make the function return a negative value on error, just
like other error paths do.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <af17113e7c1f2cc909ffd36d23f5a411b63b8764.1717584048.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Trivial arithmetic can be used for emitting the nibbles,
rather than full-blown printf formatting.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240412073346.458116-6-richard.henderson@linaro.org>
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Generalize the current 1 byte unit and 4 byte blocking
within the output.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240412073346.458116-5-richard.henderson@linaro.org>
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Allocate a new, or append to an existing GString instead of
using a fixed sized buffer. Require the caller to determine
the length of the line -- do not bound len here.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240412073346.458116-4-richard.henderson@linaro.org>
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* virtio-blk: remove SCSI passthrough functionality
* require x86-64-v2 baseline ISA
* SEV-SNP host support
* fix xsave.flat with TCG
* fixes for CPUID checks done by TCG
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# gpg: Signature made Wed 05 Jun 2024 02:01:10 AM PDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (46 commits)
hw/i386: Add support for loading BIOS using guest_memfd
hw/i386/sev: Use guest_memfd for legacy ROMs
memory: Introduce memory_region_init_ram_guest_memfd()
i386/sev: Allow measured direct kernel boot on SNP
i386/sev: Reorder struct declarations
i386/sev: Extract build_kernel_loader_hashes
i386/sev: Enable KVM_HC_MAP_GPA_RANGE hcall for SNP guests
i386/kvm: Add KVM_EXIT_HYPERCALL handling for KVM_HC_MAP_GPA_RANGE
i386/sev: Invoke launch_updata_data() for SNP class
i386/sev: Invoke launch_updata_data() for SEV class
hw/i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled
i386/sev: Add support for SNP CPUID validation
i386/sev: Add support for populating OVMF metadata pages
hw/i386/sev: Add function to get SEV metadata from OVMF header
i386/sev: Set CPU state to protected once SNP guest payload is finalized
i386/sev: Add handling to encrypt/finalize guest launch data
i386/sev: Add the SNP launch start context
i386/sev: Update query-sev QAPI format to handle SEV-SNP
i386/sev: Add a class method to determine KVM VM type for SNP guests
i386/sev: Don't return launch measurements for SEV-SNP guests
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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QEMU now requires an x86-64-v2 host, which has the POPCNT instruction.
Use it freely in TCG-generated code.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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QEMU now requires an x86-64-v2 host, which has SSSE3 instructions
(notably, PSHUFB which is used by QEMU's AES implementation).
Do not bother checking it.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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QEMU now requires an x86-64-v2 host, which has SSE2.
Use it freely in buffer_is_zero.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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QEMU now requires an x86-64-v2 host, which always has CMOV.
Use it freely in TCG generated code.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The only user was the SSE4.1 variant of buffer_is_zero, which has
been removed; code to compute CPUINFO_SSE4 is dead.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Split out asciidump_line as a separate function, local to hexdump.c,
for use by qemu_hexdump. Use "%-*s" to generate the alignment
between the hex and the ascii, rather than explicit spaces.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-3-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Require that the caller output the offset and increment bufptr.
Use QEMU_HEXDUMP_LINE_BYTES in vhost_vdpa_dump_config instead
of raw integer.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Now that we switched all consumers of the URI code to use the URI
parsing functions from glib instead, we can remove our internal
URI parsing code since it is not used anymore.
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240418101056.302103-14-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Now that we bumped the minimum glib version to 2.66, we can drop
the old code.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240418101056.302103-9-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Because non-embedded aarch64 is expected to have AdvSIMD enabled, merely
double-check with the compiler flags for __ARM_NEON and don't bother with
a runtime check. Otherwise, model the loop after the x86 SSE2 function.
Use UMAXV for the vector reduction. This is 3 cycles on cortex-a76 and
2 cycles on neoverse-n1.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Because the three alternatives are monotonic, we don't need
to keep a couple of bitmasks, just identify the strongest
alternative at startup.
Generalize test_buffer_is_zero_next_accel and init_accel
by always defining an accel_table array.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Split less-than and greater-than 256 cases.
Use unaligned accesses for head and tail.
Avoid using out-of-bounds pointers in loop boundary conditions.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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