| Age | Commit message (Collapse) | Author | Files | Lines |
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After commit 9425ef3f990a ("migration: Use migrate_has_error() in
close_return_path_on_source()"), close_return_path_on_source() assumes
that migration error is set if an error occurs during migration.
This may not be true if migration errors in migration_completion(). For
example, if qemu_savevm_state_complete_precopy() errors, migration error
will not be set.
This in turn, will cause a migration hang bug, similar to the bug that
was fixed by commit 22b04245f0d5 ("migration: Join the return path
thread before releasing to_dst_file"), as shutdown() will not be issued
for the return-path channel.
Fix it by ensuring migration error is set in case of error in
migration_completion().
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Fixes: 9425ef3f990a ("migration: Use migrate_has_error() in close_return_path_on_source()")
Acked-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240328140252.16756-2-avihaih@nvidia.com
Signed-off-by: Peter Xu <peterx@redhat.com>
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linux-user: Fix shmat(NULL) for host != guest page size
tcg/optimize: Fix sign_mask for logical right-shift
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
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# gpg: Signature made Fri 29 Mar 2024 22:19:24 GMT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu:
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
tcg/optimize: Fix sign_mask for logical right-shift
tests/tcg: Test shmat(NULL)
linux-user: Fix shmat(NULL) for h != g
linux-user: Fix shmat() strace
linux-user: Fix semctl() strace
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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# gpg: Signature made Fri 29 Mar 2024 07:03:13 GMT
# gpg: using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* tag 'net-pull-request' of https://github.com/jasowang/qemu:
Revert "tap: setting error appropriately when calling net_init_tap_one()"
tap-win32: Remove unnecessary stubs
hw/net/net_tx_pkt: Fix virtio header without checksum offloading
ebpf: Fix indirections table setting
virtio-net: Fix vhost virtqueue notifiers for RSS
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Using log_pc produces the pc at the beginning of TB,
not the actual pc installed by cpu_restore_state_from_tb,
which could be any of the guest instructions within TB.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Fixes: 83b4613ba83 ("disas: introduce show_opcodes")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The 'sign' computation is attempting to locate the sign bit that has
been repeated, so that we can test if that bit is known zero. That
computation can be zero if there are no known sign repetitions.
Cc: qemu-stable@nongnu.org
Fixes: 93a967fbb57 ("tcg/optimize: Propagate sign info for shifting")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2248
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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This reverts commit 46d4d36d0bf2b24b205f2f604f0905db80264eef.
The reverted commit changed to emit warnings instead of errors when
vhost is requested but vhost initialization fails if vhostforce option
is not set.
However, vhostforce is not meant to ignore vhost errors. It was once
introduced as an option to commit 5430a28fe4 ("vhost: force vhost off
for non-MSI guests") to force enabling vhost for non-MSI guests, which
will have worse performance with vhost. The option was deprecated with
commit 1e7398a140 ("vhost: enable vhost without without MSI-X") and
changed to behave identical with the vhost option for compatibility.
Worse, commit bf769f742c ("virtio: del net client if net_init_tap_one
failed") changed to delete the client when vhost fails even when the
failure only results in a warning. The leads to an assertion failure
for the -netdev command line option.
The reverted commit was intended to avoid that the vhost initialization
failure won't result in a corrupted netdev. This problem should have
been fixed by deleting netdev when the initialization fails instead of
ignoring the failure with an arbitrary option. Fortunately, commit
bf769f742c ("virtio: del net client if net_init_tap_one failed"),
mentioned earlier, implements this behavior.
Restore the correct semantics and fix the assertion failure for the
-netdev command line option by reverting the problematic commit.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Some of them are only necessary for POSIX systems. The others are
assigned to function pointers in NetClientInfo that can actually be
NULL.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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It is incorrect to have the VIRTIO_NET_HDR_F_NEEDS_CSUM set when
checksum offloading is disabled so clear the bit.
TCP/UDP checksum is usually offloaded when the peer requires virtio
headers because they can instruct the peer to compute checksum. However,
igb disables TX checksum offloading when a VF is enabled whether the
peer requires virtio headers because a transmitted packet can be routed
to it and it expects the packet has a proper checksum. Therefore, it
is necessary to have a correct virtio header even when checksum
offloading is disabled.
A real TCP/UDP checksum will be computed and saved in the buffer when
checksum offloading is disabled. The virtio specification requires to
set the packet checksum stored in the buffer to the TCP/UDP pseudo
header when the VIRTIO_NET_HDR_F_NEEDS_CSUM bit is set so the bit must
be cleared in that case.
Fixes: ffbd2dbd8e64 ("e1000e: Perform software segmentation for loopback")
Buglink: https://issues.redhat.com/browse/RHEL-23067
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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The kernel documentation says:
> The value stored can be of any size, however, all array elements are
> aligned to 8 bytes.
https://www.kernel.org/doc/html/v6.8/bpf/map_array.html
Fixes: 333b3e5fab75 ("ebpf: Added eBPF map update through mmap.")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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virtio_net_guest_notifier_pending() and virtio_net_guest_notifier_mask()
checked VIRTIO_NET_F_MQ to know there are multiple queues, but
VIRTIO_NET_F_RSS also enables multiple queues. Refer to n->multiqueue,
which is set to true either of VIRTIO_NET_F_MQ or VIRTIO_NET_F_RSS is
enabled.
Fixes: 68b0a6395f36 ("virtio-net: align ctrl_vq index for non-mq guest for vhost_vdpa")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Add a small test to prevent regressions.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240325192436.561154-5-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In the h != g && shmaddr == NULL && !reserved_va case, target_shmat()
incorrectly mmap()s the initial anonymous range with
MAP_FIXED_NOREPLACE, even though the earlier mmap_find_vma() has
already reserved the respective address range.
Fix by using MAP_FIXED when "mapped", which is set after
mmap_find_vma(), is true.
Fixes: 78bc8ed9a8f0 ("linux-user: Rewrite target_shmat")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240325192436.561154-4-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The indices of arguments passed to print_shmat() are all off-by-1,
because arg1 is the ipc() command. Fix them.
New output for linux-shmat-maps test:
3501769 shmat(4784214,0x0000000000800000,SHM_RND) = 0
Fixes: 9f7c97324c27 ("linux-user: Add strace for shmat")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240325192436.561154-3-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The indices of arguments used with semctl() are all off-by-1, because
arg1 is the ipc() command. Fix them. While at it, reuse print_semctl().
New output (for a small test program):
3540333 semctl(999,888,SEM_INFO,0x00007fe5051ee9a0) = -1 errno=14 (Bad address)
Fixes: 7ccfb2eb5f9d ("Fix warnings that would be caused by gcc flag -Wwrite-strings")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240325192436.561154-2-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Misc HW patch queue
[hw]
- Do not silently overwrite 'io_timeout' property in scsi-generic (Lorenz)
- Propagate period when enabling a clock in stm32l4x5 mux (Arnaud, Phil)
- Add missing smbios_get_table_legacy() stub (Igor)
- Append a space in gpa2hva() HMP error message (Yao)
- Fix compiler warning in 'execlog' plugin (Yao)
[target]
- i386: Enable page walking from MMIO memory (Gregory, Jonathan)
- tricore: Use correct string format in cpu_tlb_fill (Phil)
[docs]
- Fix formatting in amigang.rst (Zoltan)
[ui]
- Fix cocoa regression in platform fullscreen toggling (Akihiko)
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# gpg: Signature made Tue 26 Mar 2024 15:43:06 GMT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'hw-misc-20240326' of https://github.com/philmd/qemu:
ui/cocoa: Use NSTrackingInVisibleRect
ui/cocoa: Resize window after toggling zoom-to-fit
ui/cocoa: Fix aspect ratio
hw/smbios: add stub for smbios_get_table_legacy()
contrib/plugins/execlog: Fix compiler warning
docs/system/ppc/amigang.rst: Fix formatting
hw/misc/stm32l4x5_rcc: Propagate period when enabling a clock
hw/misc/stm32l4x5_rcc: Inline clock_update() in clock_mux_update()
hw/clock: Let clock_set_mul_div() return a boolean value
target/tricore/helper: Use correct string format in cpu_tlb_fill()
monitor/hmp-cmds-target: Append a space in error message in gpa2hva()
hw/scsi/scsi-generic: Fix io_timeout property not applying
target/i386/tcg: Enable page walking from MMIO memory
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Block layer patches
- Fix crash with unaligned prefetch requests (e.g. in stream jobs)
- vdpa-dev: Fix initialisation order to restore VDUSE compatibility
- iotests fixes
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# gpg: Signature made Tue 26 Mar 2024 13:23:48 GMT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
iotests: add test for stream job with an unaligned prefetch read
block-backend: fix edge case in bdrv_next_cleanup() where BDS associated to BB changes
block-backend: fix edge case in bdrv_next() where BDS associated to BB changes
block/io: accept NULL qiov in bdrv_pad_request
vdpa-dev: Fix initialisation order to restore VDUSE compatibility
tests/qemu-iotests: Test 157 and 227 require virtio-blk
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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I observed [NSTrackingArea rect] becomes de-synchronized with the view
frame with some unknown condition, and fails to track mouse movement on
some area of the view. Specify NSTrackingInVisibleRect option to let
Cocoa automatically update NSTrackingArea, which also saves code for
synchronization.
Fixes: 91aa508d0274 ("ui/cocoa: Let the platform toggle fullscreen")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240323-fixes-v2-3-18651a2b0394@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Resize the window so that the content will fit without zooming.
Fixes: 91aa508d0274 ("ui/cocoa: Let the platform toggle fullscreen")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240323-fixes-v2-2-18651a2b0394@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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[NSWindow setContentAspectRatio:] does not trigger window resize itself,
so the wrong aspect ratio will persist if nothing resizes the window.
Call [NSWindow setContentSize:] in such a case.
Fixes: 91aa508d0274 ("ui/cocoa: Let the platform toggle fullscreen")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240323-fixes-v2-1-18651a2b0394@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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QEMU build fails with
hw/i386/fw_cfg.c:74: undefined reference to `smbios_get_table_legacy'
when it's built with only 'microvm' enabled i.e. with config patch
+++ b/configs/devices/i386-softmmu/default.mak
@@ -26,7 +26,7 @@
# Boards:
#
-CONFIG_ISAPC=y
-CONFIG_I440FX=y
-CONFIG_Q35=y
+CONFIG_ISAPC=n
+CONFIG_I440FX=n
+CONFIG_Q35=n
It happens because I've fogotten/lost smbios_get_table_legacy() stub.
Fix it by adding missing stub as Philippe suggested.
Fixes: b42b0e4daaa5 "smbios: build legacy mode code only for 'pc' machine"
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-ID: <20240326122630.85989-1-imammedo@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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1. The g_pattern_match_string() is deprecated when glib2 version >= 2.70.
Use g_pattern_spec_match_string() instead to avoid this problem.
2. The type of second parameter in g_ptr_array_add() is
'gpointer' {aka 'void *'}, but the type of reg->name is 'const char*'.
Cast the type of reg->name to 'gpointer' to avoid this problem.
compiler warning message:
contrib/plugins/execlog.c:330:17: warning: ‘g_pattern_match_string’
is deprecated: Use 'g_pattern_spec_match_string' instead [-Wdeprecated-declarations]
330 | if (g_pattern_match_string(pat, rd->name) ||
| ^~
In file included from /usr/include/glib-2.0/glib.h:67,
from contrib/plugins/execlog.c:9:
/usr/include/glib-2.0/glib/gpattern.h:57:15: note: declared here
57 | gboolean g_pattern_match_string (GPatternSpec *pspec,
| ^~~~~~~~~~~~~~~~~~~~~~
contrib/plugins/execlog.c:331:21: warning: ‘g_pattern_match_string’
is deprecated: Use 'g_pattern_spec_match_string' instead [-Wdeprecated-declarations]
331 | g_pattern_match_string(pat, rd_lower)) {
| ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/glib-2.0/glib/gpattern.h:57:15: note: declared here
57 | gboolean g_pattern_match_string (GPatternSpec *pspec,
| ^~~~~~~~~~~~~~~~~~~~~~
contrib/plugins/execlog.c:339:63: warning: passing argument 2 of
‘g_ptr_array_add’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
339 | g_ptr_array_add(all_reg_names, reg->name);
| ~~~^~~~~~
In file included from /usr/include/glib-2.0/glib.h:33:
/usr/include/glib-2.0/glib/garray.h:198:62: note: expected
‘gpointer’ {aka ‘void *’} but argument is of type ‘const char *’
198 | gpointer data);
| ~~~~~~~~~~~~~~~~~~^~~~
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2210
Signed-off-by: Yao Xingtao <yaoxt.fnst@fujitsu.com>
Message-ID: <20240326015257.21516-1-yaoxt.fnst@fujitsu.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Add missing space to fix character formatting where it was missed in
two places.
Fixes: 623d9065b6 (docs/system/ppc: Document running Linux on AmigaNG machines)
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240324161148.4650D4E601F@zero.eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The "clock_set_mul_div" function doesn't propagate the clock period
to the children if it is changed (e.g. by enabling/disabling a clock
multiplexer).
This was overlooked during the implementation due to late changes.
This commit propagates the change if the multiplier or divider changes.
Fixes: ec7d83acbd ("hw/misc/stm32l4x5_rcc: Add an internal clock multiplexer object")
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-ID: <20240317103918.44375-2-arnaud.minier@telecom-paris.fr>
[PMD: Check clock_set_mul_div() return value]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240325152827.73817-4-philmd@linaro.org>
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Trivial inlining in preliminary patch to make the next
one easier to review.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240325152827.73817-3-philmd@linaro.org>
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Let clock_set_mul_div() return a boolean value whether the
clock has been updated or not, similarly to clock_set().
Return early when clock_set_mul_div() is called with
same mul/div values the clock has.
Acked-by: Luc Michel <luc@lmichel.fr>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240325152827.73817-2-philmd@linaro.org>
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'address' got converted from target_ulong to vaddr in commit
68d6eee73c ("target/tricore: Convert to CPUClass::tlb_fill").
Use the corresponding format string to avoid casting.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240319051413.6956-1-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
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In qemu monitor mode, when we use gpa2hva command to print the host
virtual address corresponding to a guest physical address, if the gpa is
not in RAM, the error message is below:
(qemu) gpa2hva 0x750000000
Memory at address 0x750000000is not RAM
A space is missed between '0x750000000' and 'is'.
Signed-off-by: Yao Xingtao <yaoxt.fnst@fujitsu.com>
Fixes: e9628441df ("hmp: gpa2hva and gpa2hpa hostaddr command")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dave@treblig.org>
Message-ID: <20240319021610.2423844-1-ruansy.fnst@fujitsu.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The io_timeout property, introduced in c9b6609 (part of 6.0) is
silently overwritten by the hardcoded default value of 30 seconds
(DEFAULT_IO_TIMEOUT) in scsi_generic_realize because that function is
being called after the properties have already been applied.
The property definition already has a default value which is applied
correctly when no value is explicitly set, so we can just remove the
code which overrides the io_timeout completely.
This has been tested by stracing SG_IO operations with the io_timeout
property set and unset and now sets the timeout field in the ioctl
request to the proper value.
Fixes: c9b6609b69facad ("scsi: make io_timeout configurable")
Signed-off-by: Lorenz Brun <lorenz@brun.one>
Message-ID: <20240315145831.2531695-1-lorenz@brun.one>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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CXL emulation of interleave requires read and write hooks due to
requirement for subpage granularity. The Linux kernel stack now enables
using this memory as conventional memory in a separate NUMA node. If a
process is deliberately forced to run from that node
$ numactl --membind=1 ls
the page table walk on i386 fails.
Useful part of backtrace:
(cpu=cpu@entry=0x555556fd9000, fmt=fmt@entry=0x555555fe3378 "cpu_io_recompile: could not find TB for pc=%p")
at ../../cpu-target.c:359
(retaddr=0, addr=19595792376, attrs=..., xlat=<optimized out>, cpu=0x555556fd9000, out_offset=<synthetic pointer>)
at ../../accel/tcg/cputlb.c:1339
(cpu=0x555556fd9000, full=0x7fffee0d96e0, ret_be=ret_be@entry=0, addr=19595792376, size=size@entry=8, mmu_idx=4, type=MMU_DATA_LOAD, ra=0) at ../../accel/tcg/cputlb.c:2030
(cpu=cpu@entry=0x555556fd9000, p=p@entry=0x7ffff56fddc0, mmu_idx=<optimized out>, type=type@entry=MMU_DATA_LOAD, memop=<optimized out>, ra=ra@entry=0) at ../../accel/tcg/cputlb.c:2356
(cpu=cpu@entry=0x555556fd9000, addr=addr@entry=19595792376, oi=oi@entry=52, ra=ra@entry=0, access_type=access_type@entry=MMU_DATA_LOAD) at ../../accel/tcg/cputlb.c:2439
at ../../accel/tcg/ldst_common.c.inc:301
at ../../target/i386/tcg/sysemu/excp_helper.c:173
(err=0x7ffff56fdf80, out=0x7ffff56fdf70, mmu_idx=0, access_type=MMU_INST_FETCH, addr=18446744072116178925, env=0x555556fdb7c0)
at ../../target/i386/tcg/sysemu/excp_helper.c:578
(cs=0x555556fd9000, addr=18446744072116178925, size=<optimized out>, access_type=MMU_INST_FETCH, mmu_idx=0, probe=<optimized out>, retaddr=0) at ../../target/i386/tcg/sysemu/excp_helper.c:604
Avoid this by plumbing the address all the way down from
x86_cpu_tlb_fill() where is available as retaddr to the actual accessors
which provide it to probe_access_full() which already handles MMIO accesses.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2180
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2220
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-ID: <20240307155304.31241-2-Jonathan.Cameron@huawei.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Previously, bdrv_pad_request() could not deal with a NULL qiov when
a read needed to be aligned. During prefetch, a stream job will pass a
NULL qiov. Add a test case to cover this scenario.
By accident, also covers a previous race during shutdown, where block
graph changes during iteration in bdrv_flush_all() could lead to
unreferencing the wrong block driver state and an assertion failure
later.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240322095009.346989-5-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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BB changes
Same rationale as for commit "block-backend: fix edge case in
bdrv_next() where BDS associated to BB changes". The block graph might
change between the bdrv_next() call and the bdrv_next_cleanup() call,
so it could be that the associated BDS is not the same that was
referenced previously anymore. Instead, rely on bdrv_next() to set
it->bs to the BDS it referenced and unreference that one in any case.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240322095009.346989-4-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The old_bs variable in bdrv_next() is currently determined by looking
at the old block backend. However, if the block graph changes before
the next bdrv_next() call, it might be that the associated BDS is not
the same that was referenced previously. In that case, the wrong BDS
is unreferenced, leading to an assertion failure later:
> bdrv_unref: Assertion `bs->refcnt > 0' failed.
In particular, this can happen in the context of bdrv_flush_all(),
when polling for bdrv_co_flush() in the generated co-wrapper leads to
a graph change (for example with a stream block job [0]).
A racy reproducer:
> #!/bin/bash
> rm -f /tmp/backing.qcow2
> rm -f /tmp/top.qcow2
> ./qemu-img create /tmp/backing.qcow2 -f qcow2 64M
> ./qemu-io -c "write -P42 0x0 0x1" /tmp/backing.qcow2
> ./qemu-img create /tmp/top.qcow2 -f qcow2 64M -b /tmp/backing.qcow2 -F qcow2
> ./qemu-system-x86_64 --qmp stdio \
> --blockdev qcow2,node-name=node0,file.driver=file,file.filename=/tmp/top.qcow2 \
> <<EOF
> {"execute": "qmp_capabilities"}
> {"execute": "block-stream", "arguments": { "job-id": "stream0", "device": "node0" } }
> {"execute": "quit"}
> EOF
[0]:
> #0 bdrv_replace_child_tran (child=..., new_bs=..., tran=...)
> #1 bdrv_replace_node_noperm (from=..., to=..., auto_skip=..., tran=..., errp=...)
> #2 bdrv_replace_node_common (from=..., to=..., auto_skip=..., detach_subchain=..., errp=...)
> #3 bdrv_drop_filter (bs=..., errp=...)
> #4 bdrv_cor_filter_drop (cor_filter_bs=...)
> #5 stream_prepare (job=...)
> #6 job_prepare_locked (job=...)
> #7 job_txn_apply_locked (fn=..., job=...)
> #8 job_do_finalize_locked (job=...)
> #9 job_exit (opaque=...)
> #10 aio_bh_poll (ctx=...)
> #11 aio_poll (ctx=..., blocking=...)
> #12 bdrv_poll_co (s=...)
> #13 bdrv_flush (bs=...)
> #14 bdrv_flush_all ()
> #15 do_vm_stop (state=..., send_stop=...)
> #16 vm_shutdown ()
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240322095009.346989-3-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Some operations, e.g. block-stream, perform reads while discarding the
results (only copy-on-read matters). In this case, they will pass NULL
as the target QEMUIOVector, which will however trip bdrv_pad_request,
since it wants to extend its passed vector. In particular, this is the
case for the blk_co_preadv() call in stream_populate().
If there is no qiov, no operation can be done with it, but the bytes
and offset still need to be updated, so the subsequent aligned read
will actually be aligned and not run into an assertion failure.
In particular, this can happen when the request alignment of the top
node is larger than the allocated part of the bottom node, in which
case padding becomes necessary. For example:
> ./qemu-img create /tmp/backing.qcow2 -f qcow2 64M -o cluster_size=32768
> ./qemu-io -c "write -P42 0x0 0x1" /tmp/backing.qcow2
> ./qemu-img create /tmp/top.qcow2 -f qcow2 64M -b /tmp/backing.qcow2 -F qcow2
> ./qemu-system-x86_64 --qmp stdio \
> --blockdev qcow2,node-name=node0,file.driver=file,file.filename=/tmp/top.qcow2 \
> <<EOF
> {"execute": "qmp_capabilities"}
> {"execute": "blockdev-add", "arguments": { "driver": "compress", "file": "node0", "node-name": "node1" } }
> {"execute": "block-stream", "arguments": { "job-id": "stream0", "device": "node1" } }
> EOF
Originally-by: Stefan Reiter <s.reiter@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
[FE: do update bytes and offset in any case
add reproducer to commit message]
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240322095009.346989-2-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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VDUSE requires that virtqueues are first enabled before the DRIVER_OK
status flag is set; with the current API of the kernel module, it is
impossible to enable the opposite order in our block export code because
userspace is not notified when a virtqueue is enabled.
This requirement also mathces the normal initialisation order as done by
the generic vhost code in QEMU. However, commit 6c482547 accidentally
changed the order for vdpa-dev and broke access to VDUSE devices with
this.
This changes vdpa-dev to use the normal order again and use the standard
vhost callback .vhost_set_vring_enable for this. VDUSE devices can be
used with vdpa-dev again after this fix.
vhost_net intentionally avoided enabling the vrings for vdpa and does
this manually later while it does enable them for other vhost backends.
Reflect this in the vhost_net code and return early for vdpa, so that
the behaviour doesn't change for this device.
Cc: qemu-stable@nongnu.org
Fixes: 6c4825476a43 ('vdpa: move vhost_vdpa_set_vring_ready to the caller')
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20240315155949.86066-1-kwolf@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Tests 157 and 227 use the virtio-blk device, so we have to mark these
tests accordingly to be skipped if this devices is not available (e.g.
when running the tests with qemu-system-avr only).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240325154737.1305063-1-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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QAPI patches patches for 2024-03-26
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 26 Mar 2024 05:36:13 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* tag 'pull-qapi-2024-03-26' of https://repo.or.cz/qemu/armbru:
qapi: document parameters of query-cpu-model-* QAPI commands
qapi/block-core: improve Qcow2OverlapCheckFlags documentation
qapi: document leftover members in qapi/stats.json
qapi: document leftover members in qapi/run-state.json
qapi: document InputMultiTouchType
qga/qapi-schema: Refill doc comments to conform to current conventions
qapi: Correct documentation indentation and whitespace
qapi: Refill doc comments to conform to current conventions
qapi: Don't repeat member type in its documentation text
qapi: Start sentences with a capital letter, end them with a period
qapi: Fix abbreviation punctuation in doc comments
qapi: Fix typo in request-ebpf documentation
qapi: Fix argument markup in drive-mirror documentation
qapi: Tidy up indentation of add_client's example
qapi: Tidy up block-latency-histogram-set documentation some more
qapi: Expand a few awkward abbreviations in documentation
qapi: Drop stray Arguments: line from qmp_capabilities docs
qapi: Fix bogus documentation of query-migrationthreads
qapi: Resync MigrationParameter and MigrateSetParameters
qapi: Improve migration TLS documentation
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Let's document the parameters of these commands, so we can remove them
from the "documentation-exceptions" list.
While at it, extend the "Returns:" documentation as well, fixing a wrong
use of CpuModelBaselineInfo vs. CpuModelCompareInfo for
query-cpu-model-comparison.
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Eduardo Habkost <eduardo@habkost.net>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Cc: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240325150141.342720-1-david@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Punctuation tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Most of fields have no description at all. Let's fix that. Still, no
reason to place here more detailed descriptions of what these
structures are, as we have public Qcow2 format specification.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20240325120054.2693236-1-vsementsov@yandex-team.ru>
Acked-by: Markus Armbruster <armbru@redhat.com>
[Capitalize "QEMU", update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240325104504.1358734-1-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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|
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240325104502.1358693-1-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Capitalize "ID", update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
|
|
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20240325095648.2835381-1-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
|
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For legibility, wrap text paragraphs so every line is at most 70
characters long.
To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3". Finds no
differences. Comparing with diff is not useful, as the refilled
paragraphs are visible there.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-13-armbru@redhat.com>
|
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-12-armbru@redhat.com>
[Add a previous patch's stray hunk]
|
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For legibility, wrap text paragraphs so every line is at most 70
characters long.
To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3". Finds no
differences. Comparing with diff is not useful, as the refilled
paragraphs are visible there.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-11-armbru@redhat.com>
|
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Documentation generated for the arguments of MEMORY_FAILURE looks like
"recipient": "MemoryFailureRecipient"
recipient is defined as "MemoryFailureRecipient".
"action": "MemoryFailureAction"
action that has been taken. action is defined as
"MemoryFailureAction".
"flags": "MemoryFailureFlags"
flags for MemoryFailureAction. action is defined as
"MemoryFailureFlags".
The "action is defined as ..." are redundant. Drop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-10-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-9-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-8-armbru@redhat.com>
|
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-7-armbru@redhat.com>
|
