Linus Torvalds 26178ec11e x86: mm: consolidate VM_FAULT_RETRY handling ... The VM_FAULT_RETRY handling was confusing and incorrect for the case of returning to kernel mode. We need to handle the exception table fixup if we return to kernel mode due to a fatal signal - it will basically look to the kernel user mode access like the access failed due to the VM going away from udner it. Which is correct - the process is dying - and avoids the whole "repeat endless kernel page faults" case. Handling the VM_FAULT_RETRY early and in just one place also simplifies the mmap_sem handling, since once we've taken care of VM_FAULT_RETRY we know that we can just drop the lock. The remaining accounting and possible error handling is thread-local and does not need the mmap_sem. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2014-12-15 15:07:33 -08:00
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arm	Char/Misc driver patches for 3.19-rc1	2014-12-14 16:43:47 -08:00
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avr32
blackfin	TTY/Serial driver patches for 3.19-rc1	2014-12-14 15:23:32 -08:00
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mips	Driver core patches for 3.19-rc1	2014-12-14 16:10:09 -08:00
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openrisc
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powerpc	Driver core patches for 3.19-rc1	2014-12-14 16:10:09 -08:00
s390	Driver core patches for 3.19-rc1	2014-12-14 16:10:09 -08:00
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sparc	Driver core patches for 3.19-rc1	2014-12-14 16:10:09 -08:00
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um	TTY/Serial driver patches for 3.19-rc1	2014-12-14 15:23:32 -08:00
unicore32
x86	x86: mm: consolidate VM_FAULT_RETRY handling	2014-12-15 15:07:33 -08:00
xtensa
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