arm64: efi: Remove CONFIG_VMAP_STACK check

Remove the CONFIG_VMAP_STACK check in arm64_efi_rt_init() since
VMAP_STACK is now always enabled on arm64.

The arch_alloc_vmap_stack() call will fail to build if VMAP_STACK
is not set, providing sufficient protection without the explicit
runtime check.

Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20250707-arm64_vmap-v1-2-8de98ca0f91c@debian.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 62230d6dd919ce243e96a3a1ca39a51b7f83163d..6c371b158b99f700f00cd3fbd86fad3022f772b8 100644 (file)
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -215,11 +215,6 @@ static int __init arm64_efi_rt_init(void)
        if (!efi_enabled(EFI_RUNTIME_SERVICES))
                return 0;
 
-       if (!IS_ENABLED(CONFIG_VMAP_STACK)) {
-               clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
-               return -ENOMEM;
-       }
-
        p = arch_alloc_vmap_stack(THREAD_SIZE, NUMA_NO_NODE);
        if (!p) {
                pr_warn("Failed to allocate EFI runtime stack\n");