Thread (9 messages) 9 messages, 6 authors, 2024-08-19

Re: [PATCH] runtime constants: move list of constants to vmlinux.lds.h

From: Alexander Gordeev <agordeev@linux.ibm.com>
Date: 2024-07-31 06:15:23
Also in: linux-arch, linux-s390, lkml

On Tue, Jul 30, 2024 at 10:15:16PM +0200, Jann Horn wrote:
Refactor the list of constant variables into a macro.
This should make it easier to add more constants in the future.

Signed-off-by: Jann Horn <jannh@google.com>
---
I'm not sure whose tree this has to go through - I guess Arnd's?
---
 arch/arm64/kernel/vmlinux.lds.S   | 3 +--
 arch/s390/kernel/vmlinux.lds.S    | 3 +--
 arch/x86/kernel/vmlinux.lds.S     | 3 +--
 include/asm-generic/vmlinux.lds.h | 4 ++++
 4 files changed, 7 insertions(+), 6 deletions(-)
...
quoted hunk ↗ jump to hunk
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 975c654cf5a5..3e8ebf1d64c5 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -187,14 +187,13 @@ SECTIONS
 	_eamode31 = .;
 
 	/* early.c uses stsi, which requires page aligned data. */
 	. = ALIGN(PAGE_SIZE);
 	INIT_DATA_SECTION(0x100)
 
-	RUNTIME_CONST(shift, d_hash_shift)
-	RUNTIME_CONST(ptr, dentry_hashtable)
+	RUNTIME_CONST_VARIABLES
 
 	PERCPU_SECTION(0x100)
 
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;		/* freed after init ends here */
 
...

For s390:

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
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