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[XEN,v2,6/7] xen/arm: mm: add missing extern variable declaration

Message ID 228fc4768f50ea14c38b77f9e2169b76f365617d.1691655814.git.nicola.vetrini@bugseng.com (mailing list archive)
State New, archived
Headers show
Series fix missing headers and static storage duration | expand

Commit Message

Nicola Vetrini Aug. 10, 2023, 8:39 a.m. UTC 
Add a declaration for the variable 'init_ttbr' to resolve
the violation of Rule 8.4 present the relative source file 'mm.c'.

No functional changes.

Signed-off-by: Nicola Vetrini <nicola.vetrini@bugseng.com>
Fixes: 4557c2292854 ("xen: arm: rewrite start of day page table and cpu bring up")
Reviewed-by: Luca Fancellu <luca.fancellu@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---
Changes in v2:
- Revised commit message
---
 xen/arch/arm/include/asm/mm.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/xen/arch/arm/include/asm/mm.h b/xen/arch/arm/include/asm/mm.h
index 2db8535a4ca8..aaacba3f044b 100644
--- a/xen/arch/arm/include/asm/mm.h
+++ b/xen/arch/arm/include/asm/mm.h
@@ -165,6 +165,9 @@  struct page_info
 #define _PGC_need_scrub   _PGC_allocated
 #define PGC_need_scrub    PGC_allocated
 
+/* Non-boot CPUs use this to find the correct pagetables. */
+extern uint64_t init_ttbr;
+
 extern mfn_t directmap_mfn_start, directmap_mfn_end;
 extern vaddr_t directmap_virt_end;
 #ifdef CONFIG_ARM_64