From: Dave Kleikamp <dave.kleikamp@oracle.com>
Date: Wed, 20 Jan 2016 19:42:07 +0000 (-0600)
Subject: vmcore: quiet zero PT_NOTE warning
X-Git-Tag: v4.1.12-92~147^2~3^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=47ebef44d2c2da5f7bc806b9dd2dc0ce7c2ba0a3;p=users%2Fjedix%2Flinux-maple.git

vmcore: quiet zero PT_NOTE warning

When creating a crashdump, this warning shows up on the console
for every offline cpu:

Warning: Zero PT_NOTE entries found

For an ldom, every possible inactive cpu shows up as offline, so let's
just print the warning once.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
---

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4e61388ec03d..484c2014a2fb 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -559,7 +559,7 @@ static int __init update_note_header_size_elf64(const Elf64_Ehdr *ehdr_ptr)
 		kfree(notes_section);
 		phdr_ptr->p_memsz = real_sz;
 		if (real_sz == 0) {
-			pr_warn("Warning: Zero PT_NOTE entries found\n");
+			pr_warn_once("Warning: Zero PT_NOTE entries found\n");
 		}
 	}