util/cpuinfo-riscv: Support OpenBSD signal frame

Reported-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Daniel Henrique Barboza <dbarboza@venta

util/cpuinfo-riscv: Support OpenBSD signal frame

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>

show more ...

util/cpuinfo-riscv: Support host/cpuinfo.h for riscv

Move detection code out of tcg, similar to other hosts.

Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <al

util/cpuinfo-riscv: Support host/cpuinfo.h for riscv

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>

show more ...

util/cpuinfo-aarch64: Add OpenBSD support

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <ZneEh51XKhxgZKpp@humpty.home.comsty

util/cpuinfo-aarch64: Add OpenBSD support

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>

show more ...

util/cpuinfo-ppc: Add FreeBSD support

Signed-off-by: Brad Smith <brad@comstyle.com>
Message-Id: <Zn9cJ3puWr5lIgsg@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro

util/cpuinfo-ppc: Add FreeBSD support

Signed-off-by: Brad Smith <brad@comstyle.com>
Message-Id: <Zn9cJ3puWr5lIgsg@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

util/cpuinfo-ppc: Fix building on OpenBSD

OpenBSD does not support AT_HWCAP.

Signed-off-by: Brad Smith <brad@comstyle.com>
Message-Id: <ZnzM1T6Vo1Q0yAH-@humpty.home.comstyle.com>
Signed-off-by: Ric

util/cpuinfo-ppc: Fix building on OpenBSD

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>

show more ...

vhost-user-server: do not set memory fd non-blocking

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 real

vhost-user-server: do not set memory fd non-blocking

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>

show more ...

Revert "host/i386: assume presence of SSE2"

This reverts commit b18236897ca15c3db1506d8edb9a191dfe51429c.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.

Signed-o

Revert "host/i386: assume presence of SSE2"

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>

show more ...

Revert "host/i386: assume presence of SSSE3"

This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.

Signed-

Revert "host/i386: assume presence of SSSE3"

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>

show more ...

Revert "host/i386: assume presence of POPCNT"

This reverts commit 45ccdbcb24baf99667997fac5cf60318e5e7db51.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.

Signed

Revert "host/i386: assume presence of POPCNT"

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>

show more ...

sysemu: generalise qtest_warp_clock as qemu_clock_advance_virtual_time

Move the key functionality of moving time forward into the clock
sub-system itself. This will allow us to plumb in time control

sysemu: generalise qtest_warp_clock as qemu_clock_advance_virtual_time

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>

show more ...

migration: Add direct-io parameter

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 on

migration: Add direct-io parameter

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>

show more ...

monitor: Report errors from monitor_fdset_dup_fd_add

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 Rosa

monitor: Report errors from monitor_fdset_dup_fd_add

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>

show more ...

monitor: Drop monitor_fdset_dup_fd_find/_remove()

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 k

monitor: Drop monitor_fdset_dup_fd_find/_remove()

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>

show more ...

Merge tag 'pull-tcg-20240619' of https://gitlab.com/rth7680/qemu into staging

tcg/loongarch64: Support 64- and 256-bit vectors
tcg/loongarch64: Fix tcg_out_movi vs some pcrel pointers
util/bufferisz

Merge tag 'pull-tcg-20240619' of https://gitlab.com/rth7680/qemu into staging

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

# -----BEGIN PGP SIGNATURE-----
#
# iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmZzRoMdHHJpY2hhcmQu
# aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV9Y7gf/ZUTGjCUdAO7W7J5e
# Z3JLUNOfUHO6PxoE05963XJc+APwKiuL6Yo2bnJo6km7WM50CoaX9/7L9CXD7STg
# s3eUJ2p7FfvOADZgO373nqRrB/2mhvoywhDbVJBl+NcRvRUDW8rMqrlSKIAwDIsC
# kwwTWlCfpBSlUgm/c6yCVmt815+sGUPD2k/p+pIzAVUG6fGYAosC2fwPzPajiDGX
# Q+obV1fryKq2SRR2dMnhmPRtr3pQBBkISLuTX6xNM2+CYhYqhBrAlQaOEGhp7Dx3
# ucKjvQFpHgPOSdQxb/HaDv81A20ZUQaydiNNmuKQcTtMx3MsQFR8NyVjH7L+fbS8
# JokjaQ==
# =yVKz
# -----END PGP SIGNATURE-----
# 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>

show more ...

util/bufferiszero: Split out host include files

Split out host/bufferiszero.h.inc for x86, aarch64 and generic
in order to avoid an overlong ifdef ladder.

Reviewed-by: Philippe Mathieu-Daudé <philm

util/bufferiszero: Split out host include files

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>

show more ...

util/loongarch64: Detect LASX vector support

Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@l

util/loongarch64: Detect LASX vector support

Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

util/readline: Add C-u shortcut

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.

T

util/readline: Add C-u shortcut

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>

show more ...

util/readline: Add C-n, C-p shortcuts

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 ke

util/readline: Add C-n, C-p shortcuts

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>

show more ...

util/readline: Fix lints for readline_handle_byte

While they do not give warnings under our current buildsystem
configuration, my clang's language server daemon was complaining about
missing default

util/readline: Fix lints for readline_handle_byte

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>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* scsi-disk: Don't silently truncate serial number
* backends/hostmem: Report error on unavailable qemu_madvise() features or

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* 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

# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmZkF2oUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroPNlQf+N9y6Eh0nMEEQ69twtV8ytglTY+uX
# FsogvnsXHNMVubOWmmeItM6kFXTAkR9cmFaL8dqI1Gs03xEQdQXbF1KejJZOAZVl
# RQMOW8Fg2Afr+0lwqCXHvhsmZ4hr5yUkRndyucA/E9AO2uGrtgwsWGDBGaHJOZIA
# lAsEMOZgKjXHZnefXjhMrvpk/QNovjEV6f1RHX3oKZjKSI5/G4IqGSmwNYToot8p
# 2fgs4Qti4+1gNyM2oBLq7cCMjMS61tSxOMH4uqVoIisjyckPlAFRvc+DXtKsUAAs
# 9AgM++pNgpB0IXv67czRUNdRoK7OI8I0ULhI4qHXi6Yg2QYAHqpQ6WL4Lg==
# =RP7U
# -----END PGP SIGNATURE-----
# 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>

show more ...

osdep: Make qemu_madvise() return ENOSYS on unsupported OSes

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

osdep: Make qemu_madvise() return ENOSYS on unsupported OSes

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>

show more ...

osdep: Make qemu_madvise() to set errno in all cases

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

osdep: Make qemu_madvise() to set errno in all cases

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>

show more ...

util/hexdump: Inline g_string_append_printf "%02x"

Trivial arithmetic can be used for emitting the nibbles,
rather than full-blown printf formatting.

Signed-off-by: Richard Henderson <richard.hende

util/hexdump: Inline g_string_append_printf "%02x"

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>

show more ...

util/hexdump: Add unit_len and block_len to qemu_hexdump_line

Generalize the current 1 byte unit and 4 byte blocking
within the output.

Signed-off-by: Richard Henderson <richard.henderson@linaro.or

util/hexdump: Add unit_len and block_len to qemu_hexdump_line

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>

show more ...

util/hexdump: Use a GString for qemu_hexdump_line

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 -- d

util/hexdump: Use a GString for qemu_hexdump_line

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>

show more ...