From 97cee3dd4a07413a4175e247f550a4931d39cee1 Mon Sep 17 00:00:00 2001
From: Sven Schnelle <svens@linux.ibm.com>
Date: Mon, 22 Jul 2024 15:41:27 +0200
Subject: s390/kdump: Make kdump ready for lowcore relocation

In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in store_status()
and __do_machine_kdump().

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
 arch/s390/kernel/machine_kexec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/s390/kernel/machine_kexec.c')

diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index f4cf65da6d49..8f681ccfb83a 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -62,7 +62,7 @@ static void __do_machine_kdump(void *data)
 	 * This need to be done *after* s390_reset_system set the
 	 * prefix register of this CPU to zero
 	 */
-	memcpy(absolute_pointer(__LC_FPREGS_SAVE_AREA),
+	memcpy(absolute_pointer(get_lowcore()->floating_pt_save_area),
 	       phys_to_virt(prefix + __LC_FPREGS_SAVE_AREA), 512);
 
 	call_nodat(1, int, purgatory, int, 1);
-- 
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