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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-11 06:24:30 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-11 06:24:30 +0100
commit01b59c763fe2de845b65900485b141fdd7bbf93e (patch)
tree91d9fe9954de096c87c5f714e5c741221af846f2 /arch/powerpc/kernel/prom_init.c
parenta61ead03a6f2768d501be08d7f5efd7fb3e71555 (diff)
parent31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff)
Merge 5.4-rc7 into char-misc-next
We need the char/misc driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
-rw-r--r--arch/powerpc/kernel/prom_init.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index a4e7762dd286..100f1b57ec2f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -3249,7 +3249,20 @@ static void setup_secure_guest(unsigned long kbase, unsigned long fdt)
/* Switch to secure mode. */
prom_printf("Switching to secure mode.\n");
+ /*
+ * The ultravisor will do an integrity check of the kernel image but we
+ * relocated it so the check will fail. Restore the original image by
+ * relocating it back to the kernel virtual base address.
+ */
+ if (IS_ENABLED(CONFIG_RELOCATABLE))
+ relocate(KERNELBASE);
+
ret = enter_secure_mode(kbase, fdt);
+
+ /* Relocate the kernel again. */
+ if (IS_ENABLED(CONFIG_RELOCATABLE))
+ relocate(kbase);
+
if (ret != U_SUCCESS) {
prom_printf("Returned %d from switching to secure mode.\n", ret);
prom_rtas_os_term("Switch to secure mode failed.\n");