On 22/11/24 14:58, Chris Packham wrote:
Hi Rong,
I was just trying some of my in-flight changes against linux-next and
found that my RTL9300* based board no longer boots (nothing on the
serial console after U-Boot hands off to the kernel).
A bisect between Linus's tree and linux-next/master points to commit
d4a7f2510ff4 ("vmlinux.lds.h: Adjust symbol ordering in text output
section"). A build on d4a7f2510ff4^ boots successfully. That series is
well beyond my area of knowledge, there may be something that the MIPS
SoCs are doing (or not doing) that is being affected by the sections
moving.
Based on the sparc change that accompanied this commit the following
does seem to restore working order for me:
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index d575f945d422..e90b0f68290c 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -62,6 +62,8 @@ SECTIONS
_text = .; /* Text and read-only data */
_stext = .;
.text : {
+ /* Match text section symbols in head.S first */
+ *head.o(.text)
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
No idea if that's appropriate
