summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/efi.h
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
commit19ed3bb5587b30ace275cb604fb2b9c60dc49de0 (patch)
treee44bf7a63c6df69dacd4ee4501a97618daa5c013 /arch/arm/include/asm/efi.h
parent783100f6ea0ae74a4ff3d616d4bce3b54badf347 (diff)
parent22a40d14b572deb80c0648557f4bd502d7e83826 (diff)
Merge 6.10-rc6 into char-misc-next
We need the char/misc/iio fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/include/asm/efi.h')
-rw-r--r--arch/arm/include/asm/efi.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index 78282ced5038..e408399d5f0e 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -14,6 +14,7 @@
#include <asm/mach/map.h>
#include <asm/mmu_context.h>
#include <asm/ptrace.h>
+#include <asm/uaccess.h>
#ifdef CONFIG_EFI
void efi_init(void);
@@ -25,6 +26,18 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md, boo
#define arch_efi_call_virt_setup() efi_virtmap_load()
#define arch_efi_call_virt_teardown() efi_virtmap_unload()
+#ifdef CONFIG_CPU_TTBR0_PAN
+#undef arch_efi_call_virt
+#define arch_efi_call_virt(p, f, args...) ({ \
+ unsigned int flags = uaccess_save_and_enable(); \
+ efi_status_t res = _Generic((p)->f(args), \
+ efi_status_t: (p)->f(args), \
+ default: ((p)->f(args), EFI_ABORTED)); \
+ uaccess_restore(flags); \
+ res; \
+})
+#endif
+
#define ARCH_EFI_IRQ_FLAGS_MASK \
(PSR_J_BIT | PSR_E_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | \
PSR_T_BIT | MODE_MASK)