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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:14:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:14:24 +0000
commit2a52f25b89f9c781d2c12d014354226ea2c13598 (patch)
treeb80137d1aa25be55602c98b5388327ab874bd1af /arch/powerpc/kexec
parentAdding debian version 6.9.8-1. (diff)
downloadlinux-2a52f25b89f9c781d2c12d014354226ea2c13598.tar.xz
linux-2a52f25b89f9c781d2c12d014354226ea2c13598.zip
Merging upstream version 6.9.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/kexec')
-rw-r--r--arch/powerpc/kexec/core_64.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c
index 762e4d09aa..27254624f6 100644
--- a/arch/powerpc/kexec/core_64.c
+++ b/arch/powerpc/kexec/core_64.c
@@ -26,6 +26,7 @@
#include <asm/paca.h>
#include <asm/mmu.h>
#include <asm/sections.h> /* _end */
+#include <asm/setup.h>
#include <asm/smp.h>
#include <asm/hw_breakpoint.h>
#include <asm/svm.h>
@@ -315,6 +316,16 @@ void default_machine_kexec(struct kimage *image)
if (!kdump_in_progress())
kexec_prepare_cpus();
+#ifdef CONFIG_PPC_PSERIES
+ /*
+ * This must be done after other CPUs have shut down, otherwise they
+ * could execute the 'scv' instruction, which is not supported with
+ * reloc disabled (see configure_exceptions()).
+ */
+ if (firmware_has_feature(FW_FEATURE_SET_MODE))
+ pseries_disable_reloc_on_exc();
+#endif
+
printk("kexec: Starting switchover sequence.\n");
/* switch to a staticly allocated stack. Based on irq stack code.