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ef68017eb5
KVM overloads #PF to indicate two types of not-actually-page-fault events. Right now, the KVM guest code intercepts them by modifying the IDT and hooking the #PF vector. This makes the already fragile fault code even harder to understand, and it also pollutes call traces with async_page_fault and do_async_page_fault for normal page faults. Clean it up by moving the logic into do_page_fault() using a static branch. This gets rid of the platform trap_init override mechanism completely. [ tglx: Fixed up 32bit, removed error code from the async functions and massaged coding style ] Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/20200505134059.169270470@linutronix.de |
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| .. | ||
| syscalls | ||
| vdso | ||
| vsyscall | ||
| calling.h | ||
| common.c | ||
| entry_32.S | ||
| entry_64_compat.S | ||
| entry_64.S | ||
| Makefile | ||
| syscall_32.c | ||
| syscall_64.c | ||
| syscall_x32.c | ||
| thunk_32.S | ||
| thunk_64.S | ||