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authorJonas Bonn <jonas@southpole.se>2013-02-14 19:16:49 +0400
committerJonas Bonn <jonas@southpole.se>2013-02-14 19:39:26 +0400
commita81252d75e14cc2cf0ee45078ef143562a0bc279 (patch)
tree7b8bb82ebd471c129788dade8667f4e4fae285dc /arch/openrisc/mm
parent7f81ea7e28c3e4e5b762111dc676b24152f85a3a (diff)
downloadlinux-a81252d75e14cc2cf0ee45078ef143562a0bc279.tar.xz
openrisc: fix up vmalloc page table loading
vmalloc'ed pages are faulted into a process' page tables on demand. In order to facilitate this, do_page_fault needs to know whether it was called via a page fault exception or a TLB-miss exception. This patch adds a wrapper around the _x_page_fault_handler entry points that the TLB-miss exceptions can call into in order to have the relevant parameter set to satisfy do_page_fault. This fixes a bug and is "good enough" for now. That said, this whole handling of vmalloc needs to be audited for correctness at some point. Signed-off-by: Jonas Bonn <jonas@southpole.se>
Diffstat (limited to 'arch/openrisc/mm')
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