x86: vm86 fix and test
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- v1 Latest2 patches 0 repliesNew
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | selftests/x86: Add a fork() to entry_from_vm86 to catch fork bugstools/ | +4 | 0 replies | |
| 2/2 | x86/vm86: Set thread.vm86 to NULL on fork/clonearch/ | +3 | 0 replies |
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Cover letter [PATCH urgent 0/2] x86: vm86 fix and test
Calling vm86 and then forking will corrupt things. Fix it.
This is for x86/urgent. It fixes a 4.3 regression.
Andy Lutomirski (2):
selftests/x86: Add a fork() to entry_from_vm86 to catch fork bugs x86/vm86: Set thread.vm86 to NULL on fork/clone
arch/x86/kernel/process.c | 3 +++ tools/testing/selftests/x86/entry_from_vm86.c | 4 ++++ 2 files changed, 7 insertions(+)
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2.4.3