The following patch is going to use the symbol from the fw_cfg module,
to call the function and write the note location details in the
vmcoreinfo entry, so qemu can produce dumps with the vmcoreinfo note.

CC: Andrew Morton <[email protected]>
CC: Baoquan He <[email protected]>
CC: Dave Young <[email protected]>
CC: Dave Young <[email protected]>
CC: Hari Bathini <[email protected]>
CC: Tony Luck <[email protected]>
CC: Vivek Goyal <[email protected]>
Signed-off-by: Marc-André Lureau <[email protected]>
Acked-by: Gabriel Somlo <[email protected]>
---
 kernel/crash_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 6db80fc0810b..47541c891810 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -375,6 +375,7 @@ phys_addr_t __weak paddr_vmcoreinfo_note(void)
 {
        return __pa(vmcoreinfo_note);
 }
+EXPORT_SYMBOL(paddr_vmcoreinfo_note);
 
 static int __init crash_save_vmcoreinfo_init(void)
 {
-- 
2.15.0.125.g8f49766d64

Reply via email to