linux-kernel - [PATCH -mm] handle BUG=n

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20061117215240.cd49870d.randy.dunlap@oracle.com>
Date:	Fri, 17 Nov 2006 21:52:40 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	ak@...e.de, akpm <akpm@...l.org>
Subject: [PATCH -mm] handle BUG=n

From: Randy Dunlap <randy.dunlap@...cle.com>

Handle BUG=n, GENERIC_BUG=n to prevent build errors:

arch/x86_64/kernel/built-in.o: In function `die':
(.text+0x3b3c): undefined reference to `report_bug'
arch/x86_64/kernel/built-in.o: In function `module_arch_cleanup':
(.text+0x10b60): undefined reference to `module_bug_cleanup'
arch/x86_64/kernel/built-in.o: In function `module_finalize':
(.text+0x10c98): undefined reference to `module_bug_finalize'

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 include/linux/bug.h |   26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

--- linux-2619-rc5mm2.orig/include/linux/bug.h
+++ linux-2619-rc5mm2/include/linux/bug.h
@@ -3,6 +3,12 @@
 
 #include <asm/bug.h>
 
+enum bug_trap_type {
+	BUG_TRAP_TYPE_NONE = 0,
+	BUG_TRAP_TYPE_WARN = 1,
+	BUG_TRAP_TYPE_BUG = 2,
+};
+
 #ifdef CONFIG_GENERIC_BUG
 #include <linux/module.h>
 #include <asm-generic/bug.h>
@@ -12,12 +18,6 @@ static inline int is_warning_bug(const s
 	return bug->flags & BUGFLAG_WARNING;
 }
 
-enum bug_trap_type {
-	BUG_TRAP_TYPE_NONE = 0,
-	BUG_TRAP_TYPE_WARN = 1,
-	BUG_TRAP_TYPE_BUG = 2,
-};
-
 const struct bug_entry *find_bug(unsigned long bugaddr);
 
 enum bug_trap_type report_bug(unsigned long bug_addr);
@@ -29,5 +29,19 @@ void module_bug_cleanup(struct module *)
 /* These are defined by the architecture */
 int is_valid_bugaddr(unsigned long addr);
 
+#else	/* !CONFIG_GENERIC_BUG */
+
+static inline enum bug_trap_type report_bug(unsigned long bug_addr)
+{
+	return BUG_TRAP_TYPE_BUG;
+}
+static inline int  module_bug_finalize(const Elf_Ehdr *hdr,
+					const Elf_Shdr *sechdrs,
+					struct module *mod)
+{
+	return 0;
+}
+static inline void module_bug_cleanup(struct module *mod) {}
+
 #endif	/* CONFIG_GENERIC_BUG */
 #endif	/* _LINUX_BUG_H */


---
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/