* [PATCH] alpha: support R_ALPHA_REFLONG relocations for module loading
@ 2017-06-24 1:37 Michael Cree
2017-06-24 15:09 ` Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Michael Cree @ 2017-06-24 1:37 UTC (permalink / raw)
To: linux-kernel; +Cc: Richard Henderson, Matt Turner, linux-alpha, Michael Cree
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>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
---
arch/alpha/kernel/module.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index 936bc8f89a67..47632fa8c24e 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;
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] alpha: support R_ALPHA_REFLONG relocations for module loading
2017-06-24 1:37 [PATCH] alpha: support R_ALPHA_REFLONG relocations for module loading Michael Cree
@ 2017-06-24 15:09 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2017-06-24 15:09 UTC (permalink / raw)
To: Michael Cree, linux-kernel; +Cc: Matt Turner, linux-alpha
On 06/23/2017 06:37 PM, Michael Cree wrote:
> 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>
> Signed-off-by: Michael Cree<mcree@orcon.net.nz>
> ---
> arch/alpha/kernel/module.c | 3 +++
> 1 file changed, 3 insertions(+)
Reviewed-by: Richard Henderson <rth@twiddle.net>
r~
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