Richard Weinberger f75b1b1bed um: Implement probe_kernel_read() ... UML needs it's own probe_kernel_read() to handle kernel mode faults correctly. The implementation uses mincore() on the host side to detect whether a page is owned by the UML kernel process. This fixes also a possible crash when sysrq-t is used. Starting with 3.10 sysrq-t calls probe_kernel_read() to read details from the kernel workers. As kernel worker are completely async pointers may turn NULL while reading them. Cc: <stian@nixia.no> Cc: <tj@kernel.org> Cc: <stable@vger.kernel.org> # 3.10.x Signed-off-by: Richard Weinberger <richard@nod.at>		2013-09-07 10:38:34 +02:00
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asm	Fix TLB gather virtual address range invalidation corner cases	2013-08-16 08:52:46 -07:00
shared	um: Implement probe_kernel_read()	2013-09-07 10:38:34 +02:00