 4lDO2
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113cb5ed4e
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Ensure pages cannot be both CoW and shared.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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d3ecedefd9
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Notify schemes when mmaps are unmapped.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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02f04752e8
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Use proper locks for PageInfo.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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afa3d7dc7b
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Support anonymous MAP_SHARED mmaps.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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70b4d99c96
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Implement MAP_FIXED without MAP_FIXED_NOREPLACE.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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f0341280f7
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Fix frame deallocation.
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2023-07-25 10:52:23 +02:00 |
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4lDO2
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cbec83215a
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Lazy-evaluate pages returned by fmap.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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9182722f84
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WIP: Allow listing address space grants again.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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ba62c0606e
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Pin PhysBorrowed head/tail UserScheme grants too.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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329d60848c
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WIP: Support CoW fmap.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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b24cf821c2
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Support transferring grants again.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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55f1829e77
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Call funmap if applicable.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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4ec8712fb0
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Adjust fmap offsets in Grant::extract.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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c5eb44d968
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Increase refcount for borrowed fmap too.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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b3a6a6744a
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Pin grants that are used in UserScheme.
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2023-07-25 10:52:22 +02:00 |
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4lDO2
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954a8d00fe
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Make page fault handler recursive.
This is probably a bad idea, but it works for now, and can only cause
problems, if grants that borrow grants that borrow grants etc., are
used.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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da6f6a316c
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Return only one grant, External, for Grant::borrow.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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b5430359d8
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Forbid scheme calls with non-RAM physmapped memory.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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43c433a3f0
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Remove FmapCtxt.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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8553bc7a59
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WIP: Support userspace-backed borrowing mmaps.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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024f3e3828
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Fix deadlock, booting to shell works now.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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ad78dcc5a1
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WIP: Rudimentary MAP_SHARED fmap implementation.
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2023-07-25 10:52:21 +02:00 |
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4lDO2
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23fede5db0
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Remove scheme funmap methods.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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0c365f54e6
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WIP: FmapBorrowed.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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20c3adf38d
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WIP: Start rewriting fmap impl.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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99975c0e42
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WIP: Ensure that Grant::borrow does not borrow nonpresent grants.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
|
dffc8ec9fc
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Do not expect PageInfo for PhysMap grants.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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20a84decdf
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Fix MemoryScheme fmap.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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15ce84164b
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Reminder that borrow does handle "lack of grant".
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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f7bffacef0
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Implement Drop for AddrSpace.
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2023-07-25 10:52:20 +02:00 |
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4lDO2
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e34a3cee42
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Fix mmap/munmap, invert borrowed/owned refcount.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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45ec3ecc70
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Track Allocated and CoW External the same way.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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a599d9b389
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WIP: Store PageInfo in separate data structure.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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760fc2ba5a
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WIP: Global page info structs.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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593e21d95e
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Support schemes.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
|
0a5b6ce656
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Reach proc:memory access in userspace.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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11fdb3bb46
|
Copy on writes to CoW pages.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
|
565db7694f
|
Add cow_refcount.
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2023-07-25 10:52:19 +02:00 |
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4lDO2
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276f051d19
|
Further userspace progress, fix RMM bug.
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2023-07-25 10:52:18 +02:00 |
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4lDO2
|
8cfbc39b9f
|
Get further in userspace.
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2023-07-25 10:52:18 +02:00 |
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4lDO2
|
490e1b2777
|
WIP: Track grant ownership.
|
2023-07-25 10:52:18 +02:00 |
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4lDO2
|
e7d94ddff5
|
WIP: Lazy zeroed mapping and page fault handler.
|
2023-07-25 10:52:18 +02:00 |
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4lDO2
|
8dfa73db35
|
Post-refactor fixes.
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2023-07-25 10:52:18 +02:00 |
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4lDO2
|
34b4512dbd
|
Refactor Grants.
Page alignment is now verified at compile time, for example.
|
2023-07-25 10:52:13 +02:00 |
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4lDO2
|
d4b5899c53
|
Remove allocator_owned hack.
|
2023-07-25 10:49:55 +02:00 |
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|
bjorn3
|
7500ffaa5a
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Remove uses of the arbitrary_self_types feature
|
2023-07-10 17:03:36 +02:00 |
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4lDO2
|
3ded84c945
|
Simplify x86_64 percpu and GSBASE calculation
|
2023-07-10 14:13:12 +00:00 |
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4lDO2
|
56f88e80c2
|
Usercopy migration
|
2023-07-06 13:03:21 +00:00 |
|
|
Jeremy Soller
|
8e0f54cb31
|
Clippy fixes
|
2022-11-11 13:19:14 -07:00 |
|
|
Jeremy Soller
|
6753251af3
|
Do not allow mmap with page_count 0
|
2022-08-31 16:14:27 -06:00 |
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