[mini-os master] Add missing symbol exports for grub-pv

[patchbot@xxxxxxx]

commit 6d5159e8410be16a47433bac1627e63f8adc7cd9
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Tue Oct 29 12:41:58 2024 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Oct 29 11:58:49 2024 +0000

    Add missing symbol exports for grub-pv
    
    Grub-pv needs start_info_union and phys_to_machine_mapping to be
    accessible. Export both symbols.
    
    Fixes: 33411a11f848 ("Mini-OS: hide all symbols not exported via 
EXPORT_SYMBOLS()")
    Reported-by: Natanael Copa <ncopa@xxxxxxxxxxxxxxx>
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 arch/x86/mm.c    | 1 +
 arch/x86/setup.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/mm.c b/arch/x86/mm.c
index 572e762..3ba6d91 100644
--- a/arch/x86/mm.c
+++ b/arch/x86/mm.c
@@ -55,6 +55,7 @@
 #endif
 
 unsigned long *phys_to_machine_mapping;
+EXPORT_SYMBOL(phys_to_machine_mapping);
 unsigned long mfn_zero;
 pgentry_t *pt_base;
 EXPORT_SYMBOL(pt_base);
diff --git a/arch/x86/setup.c b/arch/x86/setup.c
index b27bbed..b613083 100644
--- a/arch/x86/setup.c
+++ b/arch/x86/setup.c
@@ -41,6 +41,7 @@
  * address of the shared_info structure, and things like that.
  */
 union start_info_union start_info_union;
+EXPORT_SYMBOL(start_info_union);
 #endif
 
 /*
--
generated by git-patchbot for /home/xen/git/mini-os.git#master