From: Michael Cree <mcree@orcon.net.nz>
Date: Sat, 24 Jun 2017 01:37:02 +0000 (+1200)
Subject: alpha: support R_ALPHA_REFLONG relocations for module loading
X-Git-Tag: v4.13~26^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4f61e0781b701f5eb4f0e186d361c4104659001e;p=platform%2Fkernel%2Flinux-exynos.git

alpha: support R_ALPHA_REFLONG relocations for module loading

Since commit 71810db27c1c853b33 (modversions: treat symbol CRCs
as 32 bit quantities) R_ALPHA_REFLONG relocations can be required
to load modules. This implements it.

Tested-by: Bob Tracy <rct@gherkin.frus.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Matt Turner <mattst88@gmail.com>
---

diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index 936bc8f..47632fa 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -181,6 +181,9 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab,
 		switch (r_type) {
 		case R_ALPHA_NONE:
 			break;
+		case R_ALPHA_REFLONG:
+			*(u32 *)location = value;
+			break;
 		case R_ALPHA_REFQUAD:
 			/* BUG() can produce misaligned relocations. */
 			((u32 *)location)[0] = value;