Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging

accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
accel/tcg: Cleanups to use CPUS

Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging

accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
accel/tcg: Cleanups to use CPUState instead of CPUArchState
accel/tcg: Move CPUNegativeOffsetState into CPUState
tcg: Split out tcg init functions to tcg/startup.h
linux-user/hppa: Fix struct target_sigcontext layout
build: Remove --enable-gprof

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# gpg: Signature made Wed 04 Oct 2023 14:36:46 EDT
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# 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-20231004' of https://gitlab.com/rth7680/qemu: (47 commits)
tcg/loongarch64: Fix buid error
tests/avocado: Re-enable MIPS Malta tests (GitLab issue #1884 fixed)
build: Remove --enable-gprof
linux-user/hppa: Fix struct target_sigcontext layout
tcg: Split out tcg init functions to tcg/startup.h
tcg: Remove argument to tcg_prologue_init
accel/tcg: Make cpu-exec-common.c a target agnostic unit
accel/tcg: Make icount.o a target agnostic unit
accel/tcg: Make monitor.c a target-agnostic unit
accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h'
exec: Rename target specific page-vary.c -> page-vary-target.c
exec: Rename cpu.c -> cpu-target.c
accel: Rename accel-common.c -> accel-target.c
accel: Make accel-blocker.o target agnostic
accel/tcg: Restrict dump_exec_info() declaration
exec: Move cpu_loop_foo() target agnostic functions to 'cpu-common.h'
exec: Make EXCP_FOO definitions target agnostic
accel/tcg: move ld/st helpers to ldst_common.c.inc
accel/tcg: Unify user and softmmu do_[st|ld]*_mmu()
accel/tcg: Remove env_tlb()
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

accel/tcg: Make cpu-exec-common.c a target agnostic unit

cpu_in_serial_context() is not target specific,
move it declaration to "internal-common.h" (which
we include in the 4 source files modified).

accel/tcg: Make cpu-exec-common.c a target agnostic unit

cpu_in_serial_context() is not target specific,
move it declaration to "internal-common.h" (which
we include in the 4 source files modified).

Remove the unused "exec/exec-all.h" header from
cpu-exec-common.c. There is no more target specific
code in this file: make it target agnostic.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230914185718.76241-12-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h'

accel/tcg/internal.h contains target specific declarations.
Unit files including it become "target tainted": they can not
be com

accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h'

accel/tcg/internal.h contains target specific declarations.
Unit files including it become "target tainted": they can not
be compiled as target agnostic. Rename using the '-target'
suffix to make this explicit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230914185718.76241-9-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

accel/tcg: Move can_do_io to CPUNegativeOffsetState

Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the subst

accel/tcg: Move can_do_io to CPUNegativeOffsetState

Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the substructure.

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

show more ...

Merge tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu into staging

softmmu: Use async_run_on_cpu in tcg_commit
tcg: Remove vecop_list check from tcg_gen_not_vec
tcg/sparc64: Disable TCG

Merge tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu into staging

softmmu: Use async_run_on_cpu in tcg_commit
tcg: Remove vecop_list check from tcg_gen_not_vec
tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
Revert "include/exec: typedef abi_ptr to vaddr in softmmu"

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# 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-20230829-2' of https://gitlab.com/rth7680/qemu:
Revert "include/exec: typedef abi_ptr to vaddr in softmmu"
tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
tcg: Remove vecop_list check from tcg_gen_not_vec
softmmu: Use async_run_on_cpu in tcg_commit
softmmu: Assert data in bounds in iotlb_to_section

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

softmmu: Use async_run_on_cpu in tcg_commit

After system startup, run the update to memory_dispatch
and the tlb_flush on the cpu. This eliminates a race,
wherein a running cpu sees the memory_dispa

softmmu: Use async_run_on_cpu in tcg_commit

After system startup, run the update to memory_dispatch
and the tlb_flush on the cpu. This eliminates a race,
wherein a running cpu sees the memory_dispatch change
but has not yet seen the tlb_flush.

Since the update now happens on the cpu, we need not use
qatomic_rcu_read to protect the read of memory_dispatch.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1826
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1834
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1846
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20230511-2' of https://gitlab.com/rth7680/qemu into staging

target/m68k: Fix gen_load_fp regression
accel/tcg: Ensure fairness with icount
disas: Move disas.c into the target-ind

Merge tag 'pull-tcg-20230511-2' of https://gitlab.com/rth7680/qemu into staging

target/m68k: Fix gen_load_fp regression
accel/tcg: Ensure fairness with icount
disas: Move disas.c into the target-independent source sets
tcg: Use common routines for calling slow path helpers
tcg/*: Cleanups to qemu_ld/st constraints
tcg: Remove TARGET_ALIGNED_ONLY
accel/tcg: Reorg system mode load/store helpers

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# gpg: Signature made Thu 11 May 2023 11:43:34 AM BST
# 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-20230511-2' of https://gitlab.com/rth7680/qemu: (53 commits)
target/loongarch: Do not include tcg-ldst.h
accel/tcg: Reorg system mode store helpers
accel/tcg: Reorg system mode load helpers
accel/tcg: Introduce tlb_read_idx
accel/tcg: Add cpu_in_serial_context
tcg: Remove TARGET_ALIGNED_ONLY
target/sh4: Remove TARGET_ALIGNED_ONLY
target/sh4: Use MO_ALIGN where required
target/nios2: Remove TARGET_ALIGNED_ONLY
target/mips: Remove TARGET_ALIGNED_ONLY
target/mips: Use MO_ALIGN instead of 0
target/mips: Add missing default_tcg_memop_mask
target/mips: Add MO_ALIGN to gen_llwp, gen_scwp
tcg/s390x: Simplify constraints on qemu_ld/st
tcg/s390x: Use ALGFR in constructing softmmu host address
tcg/riscv: Simplify constraints on qemu_ld/st
tcg/ppc: Remove unused constraint J
tcg/ppc: Remove unused constraints A, B, C, D
tcg/ppc: Adjust constraints on qemu_ld/st
tcg/ppc: Reorg tcg_out_tlb_read
...

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

show more ...

accel/tcg: Add cpu_in_serial_context

Like cpu_in_exclusive_context, but also true if
there is no other cpu against which we could race.

Use it in tb_flush as a direct replacement.
Use it in cpu_loo

accel/tcg: Add cpu_in_serial_context

Like cpu_in_exclusive_context, but also true if
there is no other cpu against which we could race.

Use it in tb_flush as a direct replacement.
Use it in cpu_loop_exit_atomic to ensure that there
is no loop against cpu_exec_step_atomic.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-for-8.0-220323-1' of https://gitlab.com/stsquad/qemu into staging

Misc fixes for 8.0 (testing, plugins, gitdm)

- update Alpine image used for testing images
- include libslirp i

Merge tag 'pull-for-8.0-220323-1' of https://gitlab.com/stsquad/qemu into staging

Misc fixes for 8.0 (testing, plugins, gitdm)

- update Alpine image used for testing images
- include libslirp in custom runner build env
- update gitlab-runner recipe for CentOS
- update docker calls for better caching behaviour
- document some plugin callbacks
- don't use tags to define drives for lkft baseline tests
- fix missing clear of plugin_mem_cbs
- fix iotests to report individual results
- update the gitdm metadata for contributors
- avoid printing comments before g_test_init()
- probe for multiprocess support before running avocado test
- refactor igb.py into netdev-ethtool.py avocado test
- rebuild openbsd to have more space space for iotests

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# gpg: Signature made Wed 22 Mar 2023 15:10:02 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-for-8.0-220323-1' of https://gitlab.com/stsquad/qemu: (35 commits)
qtests: avoid printing comments before g_test_init()
contrib/gitdm: add group map for AMD
contrib/gitdm: add more individual contributors
contrib/gitdm: add revng to domain map
contrib/gitdm: add Alibaba to the domain-map
contrib/gitdm: add Amazon to the domain map
contrib/gitdm: Add SYRMIA to the domain map
contrib/gitdm: Add ASPEED Technology to the domain map
iotests: remove the check-block.sh script
iotests: register each I/O test separately with meson
iotests: always use a unique sub-directory per test
iotests: connect stdin to /dev/null when running tests
iotests: print TAP protocol version when reporting tests
iotests: strip subdir path when listing tests
iotests: allow test discovery before building
iotests: explicitly pass source/build dir to 'check' command
tests/vm: custom openbsd partitioning to increase /home space
tests/vm: skip X11 in openbsd installation
include/qemu/plugin: Inline qemu_plugin_disable_mem_helpers
include/qemu: Split out plugin-event.h
...

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

show more ...

*: Add missing includes of qemu/plugin.h

This had been pulled in from hw/core/cpu.h,
but that will be removed.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe

*: Add missing includes of qemu/plugin.h

This had been pulled in from hw/core/cpu.h,
but that will be removed.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230310195252.210956-6-richard.henderson@linaro.org>
[AJB: also syscall-trace.h]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-16-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>

show more ...

tcg: Clear plugin_mem_cbs on TB exit

Do this in cpu_tb_exec (normal exit) and cpu_loop_exit (exception),
adjacent to where we reset can_do_io.

Resolves: https://gitlab.com/qemu-project/qemu/-/issue

tcg: Clear plugin_mem_cbs on TB exit

Do this in cpu_tb_exec (normal exit) and cpu_loop_exit (exception),
adjacent to where we reset can_do_io.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1381
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230310195252.210956-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-12-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>

show more ...

Merge tag 'pull-tcg-20221031-2' of https://gitlab.com/rth7680/qemu into staging

Remove sparc32plus support from tcg/sparc.
target/i386: Use cpu_unwind_state_data for tpr access.
target/i386: Expand

Merge tag 'pull-tcg-20221031-2' of https://gitlab.com/rth7680/qemu into staging

Remove sparc32plus support from tcg/sparc.
target/i386: Use cpu_unwind_state_data for tpr access.
target/i386: Expand eflags updates inline
Complete cpu initialization before registration

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# gpg: Signature made Mon 31 Oct 2022 17:49:38 EDT
# 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-20221031-2' of https://gitlab.com/rth7680/qemu:
tests/tcg/multiarch: Add munmap-pthread.c
accel/tcg: Complete cpu initialization before registration
target/i386: Expand eflags updates inline
accel/tcg: Remove reset_icount argument from cpu_restore_state_from_tb
accel/tcg: Remove will_exit argument from cpu_restore_state
target/openrisc: Use cpu_unwind_state_data for mfspr
target/openrisc: Always exit after mtspr npc
target/i386: Use cpu_unwind_state_data for tpr access
accel/tcg: Introduce cpu_unwind_state_data
tcg/tci: fix logic error when registering helpers via FFI
tcg/sparc64: Remove sparc32plus constraints
tcg/sparc64: Rename from tcg/sparc
tcg/sparc: Remove support for sparc32plus

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

accel/tcg: Remove will_exit argument from cpu_restore_state

The value passed is always true, and if the target's
synchronize_from_tb hook is non-trivial, not exiting
may be erroneous.

Reviewed-by:

accel/tcg: Remove will_exit argument from cpu_restore_state

The value passed is always true, and if the target's
synchronize_from_tb hook is non-trivial, not exiting
may be erroneous.

Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging

Trivial patches pull request 20210503

# gpg: Signature made Mon 03 May 2021 09:34:56 BST
# gpg:

Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging

Trivial patches pull request 20210503

# gpg: Signature made Mon 03 May 2021 09:34:56 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-6.1-pull-request: (23 commits)
hw/rx/rx-gdbsim: Do not accept invalid memory size
docs: More precisely describe memory-backend-*::id's user
scripts: fix generation update-binfmts templates
docs/system: Document the removal of "compat" property for POWER CPUs
mc146818rtc: put it into the 'misc' category
Do not include exec/address-spaces.h if it's not really necessary
Do not include cpu.h if it's not really necessary
Do not include hw/boards.h if it's not really necessary
Do not include sysemu/sysemu.h if it's not really necessary
hw: Do not include qemu/log.h if it is not necessary
hw: Do not include hw/irq.h if it is not necessary
hw: Do not include hw/sysbus.h if it is not necessary
hw: Remove superfluous includes of hw/hw.h
ui: Fix memory leak in qemu_xkeymap_mapping_table()
hw/usb: Constify VMStateDescription
hw/display/qxl: Constify VMStateDescription
hw/arm: Constify VMStateDescription
vmstate: Constify some VMStateDescriptions
Fix typo in CFI build documentation
hw/pcmcia: Do not register PCMCIA type if not required
...

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

show more ...

Do not include cpu.h if it's not really necessary

Stop including cpu.h in files that don't need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-4-thuth@redhat.

Do not include cpu.h if it's not really necessary

Stop including cpu.h in files that don't need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-4-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2019-06-11-v3' into staging

Miscellaneous patches for 2019-06-11

# gpg: Signature made Wed 12 Jun 2019 12:20:41 BST
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2019-06-11-v3' into staging

Miscellaneous patches for 2019-06-11

# gpg: Signature made Wed 12 Jun 2019 12:20:41 BST
# 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

* remotes/armbru/tags/pull-misc-2019-06-11-v3:
MAINTAINERS: Polish headline decorations
MAINTAINERS: Improve section headlines
MAINTAINERS: Remove duplicate entries of qemu-devel@nongnu.org
Clean up a header guard symbols (again)
Supply missing header guards
Clean up a few header guard symbols
scripts/clean-header-guards: Fix handling of trailing comments
Normalize position of header guard
Include qemu-common.h exactly where needed
Include qemu/module.h where needed, drop it from qemu-common.h
qemu-common: Move qemu_isalnum() etc. to qemu/ctype.h
qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h

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

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qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h

Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h,
sysemu/kvm.h, sysemu/whpx.h. Only tcg_enabled() & friends sit in
qemu-com

qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h

Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h,
sysemu/kvm.h, sysemu/whpx.h. Only tcg_enabled() & friends sit in
qemu-common.h. This necessitates inclusion of qemu-common.h into
headers, which is against the rules spelled out in qemu-common.h's
file comment.

Move tcg_enabled() & friends into their own header sysemu/tcg.h, and
adjust #include directives.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-2-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[Rebased with conflicts resolved automatically, except for
accel/tcg/tcg-all.c]

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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

- add device category (edu, i8042, sd memory card)
- code clean-up
- LGPL information clean-up
- fix typo

Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

- add device category (edu, i8042, sd memory card)
- code clean-up
- LGPL information clean-up
- fix typo (acpi)

# gpg: Signature made Wed 30 Jan 2019 13:21:50 GMT
# gpg: using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
virtio-blk: remove duplicate definition of VirtIOBlock *s pointer
hw/block: clean up stale xen_disk trace entries
target/m68k: Fix LGPL information in the file headers
target/s390x: Fix LGPL version in the file header comments
tcg: Fix LGPL version number
target/tricore: Fix LGPL version number
target/openrisc: Fix LGPL version number
COPYING.LIB: Synchronize the LGPL 2.1 with the version from gnu.org
Don't talk about the LGPL if the file is licensed under the GPL
hw: sd: set category of the sd memory card
hw: input: set category of the i8042 device
typo: apci->acpi
hw: edu: set category of the edu device

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

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tcg: Fix LGPL version number

It's either "GNU *Library* General Public version 2" or "GNU Lesser
General Public version *2.1*", but there was no "version 2.0" of the
"Lesser" library. So assume that

tcg: Fix LGPL version number

It's either "GNU *Library* General Public version 2" or "GNU Lesser
General Public version *2.1*", but there was no "version 2.0" of the
"Lesser" library. So assume that version 2.1 is meant here.

Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1548252536-6242-5-git-send-email-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20180411' into staging

Handle read-modify-write i/o with icount

# gpg: Signature made Wed 11 Apr 2018 00:07:23 BST
# gpg: usin

Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20180411' into staging

Handle read-modify-write i/o with icount

# gpg: Signature made Wed 11 Apr 2018 00:07:23 BST
# gpg: using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20180411:
icount: fix cpu_restore_state_from_tb for non-tb-exit cases

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

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icount: fix cpu_restore_state_from_tb for non-tb-exit cases

In icount mode, instructions that access io memory spaces in the middle
of the translation block invoke TB recompilation. After recompila

icount: fix cpu_restore_state_from_tb for non-tb-exit cases

In icount mode, instructions that access io memory spaces in the middle
of the translation block invoke TB recompilation. After recompilation,
such instructions become last in the TB and are allowed to access io
memory spaces.

When the code includes instruction like i386 'xchg eax, 0xffffd080'
which accesses APIC, QEMU goes into an infinite loop of the recompilation.

This instruction includes two memory accesses - one read and one write.
After the first access, APIC calls cpu_report_tpr_access, which restores
the CPU state to get the current eip. But cpu_restore_state_from_tb
resets the cpu->can_do_io flag which makes the second memory access invalid.
Therefore the second memory access causes a recompilation of the block.
Then these operations repeat again and again.

This patch moves resetting cpu->can_do_io flag from
cpu_restore_state_from_tb to cpu_loop_exit* functions.

It also adds a parameter for cpu_restore_state which controls restoring
icount. There is no need to restore icount when we only query CPU state
without breaking the TB. Restoring it in such cases leads to the
incorrect flow of the virtual time.

In most cases new parameter is true (icount should be recalculated).
But there are two cases in i386 and openrisc when the CPU state is only
queried without the need to break the TB. This patch fixes both of
these cases.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <20180409091320.12504.35329.stgit@pasha-VirtualBox>
[rth: Make can_do_io setting unconditional; move from cpu_exec;
make cpu_loop_exit_{noexc,restore} call cpu_loop_exit.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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Merge remote-tracking branch 'origin/master' into HEAD

Resolve conflicts around apb.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-12-18

# gpg: Signature made Mon 18 Dec 2017 14:08:51 GMT
# gpg: using RSA

Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-12-18

# gpg: Signature made Mon 18 Dec 2017 14:08:51 GMT
# gpg: using RSA key 0x701B4F6B1A693E59
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg: aka "Michael Tokarev <mjt@corpit.ru>"
# gpg: aka "Michael Tokarev <mjt@debian.org>"
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59

* remotes/mjt/tags/trivial-patches-fetch: (60 commits)
misc: drop old i386 dependency
i386/pc: move vmmouse.c to hw/i386/
i386/pc: move vmport.c to hw/i386/
hw/misc/pvpanic: extract public API from i386/pc to "hw/misc/pvpanic.h"
hw/net/ne2000: extract ne2k-isa code from i386/pc to ne2000-isa.c
hw/display/vga: extract public API from i386/pc to "hw/display/vga.h"
hw/display/vga: "vga_int.h" requires "ui/console.h"
hw/display/vga: "vga.h" only contains registers defs, rename it "vga_regs.h"
hw/acpi/ich9: extract ACPI_PM_PROP_TCO_ENABLED from i386/pc
hw/acpi: ACPI_PM_* defines are not restricted to i386 arch
hw/timer/mc146818: rename rtc_init() -> mc146818_rtc_init()
hw/timer/i8254: rename pit_init() -> i8254_pit_init()
hw/unicore32: restrict hw addr defines to source file
hw/virtio-balloon: remove old i386 dependency
hw/tpm: remove old i386 dependency
hw/i2c: remove old i386 dependency
hw/ipmi: remove old i386 dependency
hw/ide: remove old i386 dependency
misc: remove old i386 dependency
amd_iommu: avoid needless includes in header file
...

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

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accel/tcg/cpu-exec-common.c: Remove unnecessary include of memory-internal.h

The cpu-exec-common.c file includes memory-internal.h, but it doesn't
actually use anything from that header. Remove the

accel/tcg/cpu-exec-common.c: Remove unnecessary include of memory-internal.h

The cpu-exec-common.c file includes memory-internal.h, but it doesn't
actually use anything from that header. Remove the unnecessary include.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

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

* qemu-thread portability improvement (Fam)
* virtio-scsi IOMMU fix (Jason)
* poisoning and common-obj-y cleanups (Thoma

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

* qemu-thread portability improvement (Fam)
* virtio-scsi IOMMU fix (Jason)
* poisoning and common-obj-y cleanups (Thomas)
* initial Hypervisor.framework refactoring (Sergio)
* x86 TCG interrupt injection fixes (Wu Xiang, me)
* --disable-tcg support for x86 (Yang Zhong, me)
* various other bugfixes and cleanups (Daniel, Peter, Thomas)

# gpg: Signature made Wed 05 Jul 2017 08:12:56 BST
# gpg: using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (42 commits)
target/i386: add the CONFIG_TCG into Makefiles
target/i386: add the tcg_enabled() in target/i386/
target/i386: move TLB refill function out of helper.c
target/i386: split cpu_set_mxcsr() and make cpu_set_fpuc() inline
target/i386: make cpu_get_fp80()/cpu_set_fp80() static
target/i386: move cpu_sync_bndcs_hflags() function
tcg: add the CONFIG_TCG into Makefiles
tcg: add CONFIG_TCG guards in headers
exec: elide calls to tb_lock and tb_unlock
tcg: move tb_lock out of translate-all.h
tcg: add the tcg-stub.c file into accel/stubs/
vapic: use tcg_enabled
monitor: disable "info jit" and "info opcount" if !TCG
tcg: make tcg_allowed global
cpu: move interrupt handling out of translate-common.c
tcg: move page_size_init() function
vl: add tcg_enabled() for tcg related code
vl: convert -tb-size to qemu_strtoul
configure: add --disable-tcg configure option
configure: early test for supported targets
...

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

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