git: dd18b62cec62 - main - riscv: better CTR messages in pmap_enter_l2()
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Date: Thu, 06 Oct 2022 22:05:37 UTC
The branch main has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=dd18b62cec6228c17aef428a575f44152ea55d53 commit dd18b62cec6228c17aef428a575f44152ea55d53 Author: Mitchell Horne <mhorne@FreeBSD.org> AuthorDate: 2022-08-25 20:08:41 +0000 Commit: Mitchell Horne <mhorne@FreeBSD.org> CommitDate: 2022-10-06 22:02:37 +0000 riscv: better CTR messages in pmap_enter_l2() Disambiguate the failure cases. Reviewed by: jhb MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D36562 --- sys/riscv/riscv/pmap.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sys/riscv/riscv/pmap.c b/sys/riscv/riscv/pmap.c index 1171b7fe9b17..aa9eb5255c82 100644 --- a/sys/riscv/riscv/pmap.c +++ b/sys/riscv/riscv/pmap.c @@ -3172,8 +3172,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags, if ((l2pg = pmap_alloc_l2(pmap, va, (flags & PMAP_ENTER_NOSLEEP) != 0 ? NULL : lockp)) == NULL) { - CTR2(KTR_PMAP, "pmap_enter_l2: failure for va %#lx in pmap %p", - va, pmap); + CTR2(KTR_PMAP, "pmap_enter_l2: failed to allocate PT page" + " for va %#lx in pmap %p", va, pmap); return (KERN_RESOURCE_SHORTAGE); } @@ -3185,8 +3185,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags, if ((flags & PMAP_ENTER_NOREPLACE) != 0) { l2pg->ref_count--; CTR2(KTR_PMAP, - "pmap_enter_l2: failure for va %#lx in pmap %p", - va, pmap); + "pmap_enter_l2: failed to replace existing mapping" + " for va %#lx in pmap %p", va, pmap); return (KERN_FAILURE); } SLIST_INIT(&free); @@ -3232,8 +3232,8 @@ pmap_enter_l2(pmap_t pmap, vm_offset_t va, pd_entry_t new_l2, u_int flags, vm_page_free_pages_toq(&free, true); } CTR2(KTR_PMAP, - "pmap_enter_l2: failure for va %#lx in pmap %p", - va, pmap); + "pmap_enter_l2: failed to create PV entry" + " for va %#lx in pmap %p", va, pmap); return (KERN_RESOURCE_SHORTAGE); } if ((new_l2 & PTE_W) != 0)