From d692cd43c4635836416e8341b2fd973daa498942 Mon Sep 17 00:00:00 2001 From: Justin Hibbits Date: Sun, 21 Oct 2018 02:28:04 +0000 Subject: [PATCH] powerpc64/pmap: Correct the logic for minidump KVA chunk r279252 inverted the logic in moea64_scan_init, such that instead of terminating when reaching a dead page, it terminates when reaching a live page, ostensibly preserving exactly one page of KVA. --- sys/powerpc/aim/mmu_oea64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/powerpc/aim/mmu_oea64.c b/sys/powerpc/aim/mmu_oea64.c index 4a4407a6810..c825b3b60c0 100644 --- a/sys/powerpc/aim/mmu_oea64.c +++ b/sys/powerpc/aim/mmu_oea64.c @@ -2882,7 +2882,7 @@ moea64_scan_init(mmu_t mmu) if (va == kmi.buffer_sva) break; pvo = moea64_pvo_find_va(kernel_pmap, va & ~ADDR_POFF); - if (pvo != NULL && !(pvo->pvo_vaddr & PVO_DEAD)) + if (pvo == NULL || (pvo->pvo_vaddr & PVO_DEAD)) break; va += PAGE_SIZE; }