* [PATCH] powerpc/64: mark start_here_multiplatform as __ref
@ 2019-05-10 6:31 Christophe Leroy
2019-06-30 8:37 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2019-05-10 6:31 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman, Russell Currey
Cc: linuxppc-dev, linux-kernel
Otherwise, the following warning is encountered:
WARNING: vmlinux.o(.text+0x3dc6): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:.early_setup()
The function start_here_multiplatform() references
the function __init .early_setup().
This is often because start_here_multiplatform lacks a __init
annotation or the annotation of .early_setup is wrong.
Fixes: 56c46bba9bbf ("powerpc/64: Fix booting large kernels with STRICT_KERNEL_RWX")
Cc: Russell Currey <ruscur@russell.cc>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/kernel/head_64.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 5321a11c2835..259be7f6d551 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -904,6 +904,7 @@ p_toc: .8byte __toc_start + 0x8000 - 0b
/*
* This is where the main kernel code starts.
*/
+__REF
start_here_multiplatform:
/* set up the TOC */
bl relative_toc
@@ -979,6 +980,7 @@ start_here_multiplatform:
RFI
b . /* prevent speculative execution */
+ .previous
/* This is where all platforms converge execution */
start_here_common:
--
2.13.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] powerpc/64: mark start_here_multiplatform as __ref
2019-05-10 6:31 [PATCH] powerpc/64: mark start_here_multiplatform as __ref Christophe Leroy
@ 2019-06-30 8:37 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2019-06-30 8:37 UTC (permalink / raw)
To: Christophe Leroy, Benjamin Herrenschmidt, Paul Mackerras, Russell Currey
Cc: linuxppc-dev, linux-kernel
On Fri, 2019-05-10 at 06:31:28 UTC, Christophe Leroy wrote:
> Otherwise, the following warning is encountered:
>
> WARNING: vmlinux.o(.text+0x3dc6): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:.early_setup()
> The function start_here_multiplatform() references
> the function __init .early_setup().
> This is often because start_here_multiplatform lacks a __init
> annotation or the annotation of .early_setup is wrong.
>
> Fixes: 56c46bba9bbf ("powerpc/64: Fix booting large kernels with STRICT_KERNEL_RWX")
> Cc: Russell Currey <ruscur@russell.cc>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/9c4e4c90ec24652921e31e9551fcaedc26eec86d
cheers
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