diff options
| author | Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
| commit | 77e0723bd27f830d0903225372aa778fe2975648 (patch) | |
| tree | 4c035783e014b3a0ac9174390f88dc75150533e4 /arch/powerpc/kernel/prom_init.c | |
| parent | 3ca3a9eab7085b3c938b5d088c3020269cfecdc8 (diff) | |
| parent | 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff) | |
| download | linux-77e0723bd27f830d0903225372aa778fe2975648.tar.bz2 | |
Merge v5.4-rc7 into drm-next
We have the i915 security fixes to backmerge, but first
let's clear the decks for other drivers to avoid a bigger
mess.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 13 |
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"); |