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KVM: guest_memfd: Drop the redundant printk on arch gmem_prepare() failure

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Drop guest_memfd's ratelimited printk to log "preparation" failures, as KVM
SNP already logs more precise messages in all error paths, and whether or
not failure to convert the pfn to private is "unexpected", i.e. warrants
logging, is firmly an architecture specific detail.

Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Fuad Tabba <fuad.tabba@linux.dev>
Link: https://patch.msgid.link/20260723210811.72720-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson
2026-07-23 14:08:06 -07:00
parent f3c073e254
commit 0f68fabe68
1 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
virt/kvm/guest_memfd.c
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@@ -66,15 +66,11 @@ static int __kvm_gmem_prepare_folio(struct kvm *kvm, struct kvm_memory_slot *slo
#ifdef CONFIG_HAVE_KVM_ARCH_GMEM_PREPARE
kvm_pfn_t pfn = folio_file_pfn(folio, index);
gfn_t gfn = slot->base_gfn + index - slot->gmem.pgoff;
int rc = kvm_arch_gmem_prepare(kvm, gfn, pfn, folio_order(folio));
if (rc) {
pr_warn_ratelimited("gmem: Failed to prepare folio for index %lx GFN %llx PFN %llx error %d.\n",
index, gfn, pfn, rc);
return rc;
}
#endif
return kvm_arch_gmem_prepare(kvm, gfn, pfn, folio_order(folio));
#else
return 0;
#endif
}
/*