Marc-André Lureau cc9c77f4dd system/memory: implement RamDiscardManager multi-source aggregation ...

Refactor RamDiscardManager to aggregate multiple RamDiscardSource
instances. This enables scenarios where multiple components (e.g.,
virtio-mem and RamBlockAttributes) can coordinate memory discard
state for the same memory region.

The aggregation uses:
- Populated: ALL sources populated
- Discarded: ANY source discarded

When a source is added with existing listeners, they are notified
about regions that become discarded. When a source is removed,
listeners are notified about regions that become populated.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20260604-rdm5-v5-7-5768e6a0943d@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>

2026-06-22 17:08:48 -04:00

..

arch_init.c

system: Expose 'arch_init.h' as 'qemu/base-arch-defs.h'

2026-05-06 12:58:08 +02:00

async-teardown.c

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balloon.c

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bootdevice.c

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cpu-timers.c

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cpus.c

system: Move cpu_physical_memory_*() declarations to 'system/physmem.h'

2026-06-18 14:27:04 +02:00

device_tree-stub.c

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device_tree.c

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dirtylimit.c

include/qemu/atomic: Drop qatomic_{read,set}_[iu]64

2026-01-17 10:46:51 +11:00

dma-helpers.c

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exit-with-parent.c

system/exit-with-parent: Close the file descriptor before exit

2026-05-28 17:53:48 +02:00

globals.c

system/globals: Build as common code

2026-02-23 00:17:34 +01:00

ioport.c

system/ioport: minor code simplification

2026-06-06 09:15:23 +04:00

main.c

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memory_ldst_endian.c.inc

system/memory: Directly call address_space_ldst[M]_internal() helper

2026-01-22 10:48:45 +01:00

memory_ldst.c.inc

system: Allow restricting legacy address_space_ldst() native-endian API

2026-01-22 10:48:45 +01:00

memory_mapping.c

system/memory: constify section arguments

2026-06-22 17:08:48 -04:00

memory-internal.h

system/memory: Rename cpu_exec_init_all() -> machine_memory_init()

2026-06-18 14:27:21 +02:00

memory.c

system/memory: implement RamDiscardManager multi-source aggregation

2026-06-22 17:08:48 -04:00

meson.build

system/memory: move RamDiscardManager to separate compilation unit

2026-06-22 17:08:48 -04:00

physmem.c

system/physmem: Synchronize ram_list accesses

2026-06-22 17:08:48 -04:00

qdev-monitor.c

qom: shorten name of object_set_properties_from_keyval

2026-05-21 12:39:54 +01:00

qemu-seccomp.c

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qtest.c

qtest: add "qom-tests" command

2026-06-06 09:15:23 +04:00

ram-block-attributes.c

system/memory: implement RamDiscardManager multi-source aggregation

2026-06-22 17:08:48 -04:00

ram-discard-manager.c

system/memory: implement RamDiscardManager multi-source aggregation

2026-06-22 17:08:48 -04:00

rtc.c

system/rtc: Fix a possible year-2038 integer overflow problem

2026-06-12 17:56:30 +03:00

runstate-action.c

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runstate-hmp-cmds.c

monitor: Extract completion declarations to 'monitor/hmp-completion.h'

2026-05-06 12:58:07 +02:00

runstate.c

ui/vnc: clean up VNC displays on exit

2026-05-09 10:24:55 +04:00

tpm-hmp-cmds.c

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tpm.c

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trace-events

util: move datadir.c from system/

2026-04-22 12:51:51 +04:00

trace.h

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vl.c

system/memory: Rename cpu_exec_init_all() -> machine_memory_init()

2026-06-18 14:27:21 +02:00

watchpoint.c

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