linux-kernel - [PATCH] powerpc/livepatch: Remove klp_write_module

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Date:   Fri, 16 Dec 2016 11:44:24 +0530
From:   Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:     Michael Ellerman <mpe@...erman.id.au>, Jessica Yu <jeyu@...hat.com>
Cc:     Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>, linuxppc-dev@...ts.ozlabs.org,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Balbir Singh <bsingharora@...il.com>
Subject: [PATCH] powerpc/livepatch: Remove klp_write_module_reloc() stub

commit 425595a7fc20 ("livepatch: reuse module loader code
to write relocations") offloads livepatch module relocation
write to arch specific module loader code.

Remove unused klp_write_module_reloc() function stub.

Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
---
 arch/powerpc/include/asm/livepatch.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/powerpc/include/asm/livepatch.h b/arch/powerpc/include/asm/livepatch.h
index a402f7f..47a03b9 100644
--- a/arch/powerpc/include/asm/livepatch.h
+++ b/arch/powerpc/include/asm/livepatch.h
@@ -28,13 +28,6 @@ static inline int klp_check_compiler_support(void)
 	return 0;
 }
 
-static inline int klp_write_module_reloc(struct module *mod, unsigned long
-		type, unsigned long loc, unsigned long value)
-{
-	/* This requires infrastructure changes; we need the loadinfos. */
-	return -ENOSYS;
-}
-
 static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
 {
 	regs->nip = ip;
-- 
2.7.4