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Merge tb_invalidate_phys_page_fast__locked into its
only caller, tb_invalidate_phys_range_fast.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Replace existing usage of current_cpu.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In the next patch, page_unprotect will need to pass
the CPUState to tb_invalidate_phys_page_unwind.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Various methods of accel-target.c don't use any target-specific
knowledge at all and can be built once in the target-agnostic
accel-common.c file.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250417165430.58213-8-philmd@linaro.org>
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Move the target-agnostic parts of "accel/accel-cpu-target.h"
to "accel/accel-cpu.h".
Doing so we need to include missing "hw/core/cpu.h" header
in "accel/accel-cpu.h" otherwise we get:
include/accel/accel-cpu-target.h:39:28: error: unknown type name 'CPUClass'
39 | void (*cpu_class_init)(CPUClass *cc);
| ^
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250417165430.58213-7-philmd@linaro.org>
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The "qemu/accel.h" header is implicitly pulled in. Include
it explicitly in order to avoid when refactoring unrelated
headers:
accel/accel-internal.h:13:32: error: unknown type name 'AccelClass'
13 | void accel_init_ops_interfaces(AccelClass *ac);
| ^
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250417165430.58213-6-philmd@linaro.org>
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We want to build more common code, moving objects from meson's
specific_ss[] set to common_ss[]. Since the CONFIG_USER_ONLY
definitions isn't applied on the common_ss[] set, it is simpler
to add an empty accel_init_ops_interfaces() stub on user emulation,
removing any CONFIG_USER_ONLY use in accel-target.c.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250417165430.58213-5-philmd@linaro.org>
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Replace the target-specific CPU_RESOLVING_TYPE definition
by a call to the target-agnostic target_cpu_type() runtime
helper.
Since the big "cpu.h" is not required anymore in tcg-all.c,
remove it, using the tinier "cpu-param.h" header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250417165430.58213-3-philmd@linaro.org>
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Check whether we need to swap at runtime using
target_needs_bswap().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250417131004.47205-3-philmd@linaro.org>
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In commit 3549118b498 we moved cpu_loop_exit*() declarations to
"exec/cpu-common.h" but neglected to update tcg-stub.c. We missed
it because "exec/cpu-common.h" is indirectly pulled in via
"exec/exec-all.h" -> "exec/translation-block.h". Include it
directly instead of the not necessary "exec/exec-all.h".
Commit bb6cf6f0168 ("accel/tcg: Factor tcg_cpu_reset_hold() out")
removed the need for "exec/tb-flush.h", so remote it too.
Fixes: 3549118b498 ("exec: Move cpu_loop_foo() functions to 'cpu-common.h'")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Message-Id: <20250424094653.35932-4-philmd@linaro.org>
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Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>
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Miscellaneous patches for 2025-04-24
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# gpg: Signature made Thu 24 Apr 2025 03:52:54 EDT
# 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-misc-2025-04-24' of https://repo.or.cz/qemu/armbru:
cleanup: Drop pointless label at end of function
cleanup: Drop pointless return at end of function
cleanup: Re-run return_directly.cocci
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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A few functions now end with a label. The next commit will clean them
up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250407082643.2310002-3-armbru@redhat.com>
[Straightforward conflict with commit 988ad4ccebb6 (hw/loongarch/virt:
Fix cpuslot::cpu set at last in virt_cpu_plug()) resolved]
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Instead of having a compile-time TARGET_SUPPORTS_MTTCG definition,
have each target set the 'mttcg_supported' field in the TCGCPUOps
structure.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250405161320.76854-17-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Delay the warning to tcg_init_machine, because we will
have resolved the CPUClass at that point.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Use the OnOffAuto type as 3-state.
Since the TCGState instance is zero-initialized, the
mttcg_enabled is initialzed as AUTO (ON_OFF_AUTO_AUTO).
In tcg_init_machine(), if mttcg_enabled is still AUTO,
set a default value (effectively inlining the
default_mttcg_enabled() method content).
In the tcg_get_thread() getter, consider AUTO / OFF states
as "single", otherwise ON is "multi".
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In qemu_tcg_mttcg_enabled, read the value from TCGState
and eliminate the separate global variable.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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qemu_tcg_mttcg_enabled() is specific to 1/ TCG and
2/ system emulation. Move the prototype declaration
to "system/tcg.h", reducing 'mttcg_enabled' variable
scope.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250403220420.78937-17-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In effect, hoist the check for mttcg from tcg_n_regions()
to tcg_init_machine().
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In order to use TCG with multiple targets, replace the
compile time use of TCG_GUEST_DEFAULT_MO by a runtime access
to TCGCPUOps::guest_default_memory_order via CPUState.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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In preparation of having tcg_req_mo() access CPUState in
the next commit, pass it to cpu_req_mo(), its single caller.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Use TCGCPUOps::guest_default_memory_order to set TCGContext::guest_mo.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Now that TCG_GUEST_DEFAULT_MO is always defined,
simplify the tcg_req_mo() macro.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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We only require the TCG_GUEST_DEFAULT_MO for MTTCG-enabled
frontends, otherwise we use a default value of TCG_MO_ALL.
In order to simplify, require the definition for all targets,
defining it for hexagon, m68k, rx, sh4 and tricore.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Only 2 files requiring "accel/tcg/cpu-ldst.h" API do not
include it:
- accel/tcg/cpu-exec.c
- target/arm/tcg/sve_helper.c
Include it there and remove it from "exec/exec-all.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Mechanical change using:
$ sed -i -e 's,exec/cpu_ldst,accel/tcg/cpu-ldst,' \
$(git grep -l exec/cpu_ldst.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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tb_check_watchpoint() calls cpu_get_tb_cpu_state(),
which is declared in each "cpu.h" header. It is indirectly
included via "tcg/insn-start-words.h". Since we want to
rework "tcg/insn-start-words.h", removing "cpu.h" in the
next commit, add the missing header now, otherwise we'd
get:
accel/tcg/translate-all.c:598:9: error: call to undeclared function 'cpu_get_tb_cpu_state' [-Wimplicit-function-declaration]
598 | cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
| ^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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This define is used only in accel/kvm/kvm-all.c, so we push directly the
definition there. Add more visibility to kvm_arch_on_sigbus_vcpu() to
allow removing this define from any header.
The architectures defining KVM_HAVE_MCE_INJECTION are i386, x86_64 and
aarch64.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-18-pierrick.bouvier@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-16-pierrick.bouvier@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Now we made sure important defines are included using their direct
path, we can remove cpu.h from cpu-all.h.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-14-pierrick.bouvier@linaro.org>
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We prepare to remove cpu.h from cpu-all.h, which will transitively
remove it from accel/tcg/tb-internal.h, and thus from most of tcg
compilation units.
Note: this was caught by a test regression for s390x-softmmu.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-13-pierrick.bouvier@linaro.org>
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We prepare to remove cpu.h from cpu-all.h, which will transitively
remove it from accel/tcg/tb-internal.h, and thus from most of tcg
compilation units.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-12-pierrick.bouvier@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-8-pierrick.bouvier@linaro.org>
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The only place we really need to know the minimum is within
page-vary-target.c. Rename the target/arm TARGET_PAGE_BITS_MIN
to TARGET_PAGE_BITS_LEGACY to emphasize what it really means.
Move the assertions related to minimum page size as well.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Don't base the values on TARGET_PAGE_BITS_MIN, but do verify
that TLB_FLAGS_MASK does not overlap minimum page size.
All targets now have the same placement for these flags,
simplifying mmu management when we enable heterogeneous systems.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The CPU_TLB_DYN_{MIN,MAX}_BITS definitions are not required
outside of cputlb.c and translate-all.c.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Drop some unnecessary includes. Change the offsetof expressions
to be based on CPUState instead of ArchCPU.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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All targets have been converted to TCGCPUOps::mmu_index(),
remove the now unused CPUClass::mmu_index().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250401080938.32278-24-philmd@linaro.org>
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Not used by tb-internal.h, but add an include for
target_page.h in tb-maint.c.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Merge the user-only page_protect function with the user-only
implementation of tb_lock_page0. This avoids pulling
page-protection.h into tb-internal.h.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Move the declarations from exec/exec-all.h to the
private accel/tcg/internal-common.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Undo the split between inline and slow flags before masking.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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While we're renaming things, don't modify addr; save it for
reuse in the qatomic_set. Compute the host address into a
new local variable.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The arguments to tlb_reset_dirty are host pointers.
The conversion from ram_addr_t was done in the sole
caller, tlb_reset_dirty_range_all.
Fixes: e554861766d ("exec: prepare for splitting")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250320223002.2915728-3-pierrick.bouvier@linaro.org>
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Split icount stuff from system/cpu-timers.h.
There are 17 files which only require icount.h, 7 that only
require cpu-timers.h, and 7 that require both.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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