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powerpc pmap: initialize kernel pmap radix trie
Commit2d2bcba7ba
changed radix trie implementation and made it necessary that radix tries be initialized with vm_radix_init. @dbaio reports that in some configurations, there is a powerpc boot panic and that this commit introduced the problem. In powerpc/aim/mmu_radix.c, the radix trie in kernel_pmap is initialized by zeroing all its fields. Add a call to vm_radix_init to properly initialize kernel_pmap->pm_radix. Reported by: dbaio Reviewed by: alc, jhibbits Fixes:2d2bcba7ba
drop NULL check from radix trie search MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D41846
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@ -1844,6 +1844,7 @@ mmu_radix_setup_pagetables(vm_size_t hwphyssz)
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bzero(kernel_pmap, sizeof(struct pmap));
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PMAP_LOCK_INIT(kernel_pmap);
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vm_radix_init(&kernel_pmap->pm_radix);
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ptpages = allocpages(3);
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l1phys = moea64_bootstrap_alloc(RADIX_PGD_SIZE, RADIX_PGD_SIZE);
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