diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2025-06-20 16:53:12 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2025-06-20 10:48:50 -0700 |
| commit | ce2c403c26c1ed0e28fc541ab30fe13ff50236be (patch) | |
| tree | 6c71b2ce788c860d12a4142bcf8641ec565c4b0f | |
| parent | e04c78d86a9699d136910cfc0bdcf01087e3267e (diff) | |
x86/efi: Move runtime service initialization to arch/x86
The EFI call in start_kernel() is guarded by #ifdef CONFIG_X86. Move
the thing to the arch_cpu_finalize_init() path on x86 and get rid of
the #ifdef in start_kernel().
No functional change intended.
Suggested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/all/20250620135325.3300848-5-kirill.shutemov%40linux.intel.com
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 7 | ||||
| -rw-r--r-- | init/main.c | 5 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 8feb8fd2957ad..4f430be285ded 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -26,6 +26,7 @@ #include <linux/pgtable.h> #include <linux/stackprotector.h> #include <linux/utsname.h> +#include <linux/efi.h> #include <asm/alternative.h> #include <asm/cmdline.h> @@ -2530,6 +2531,12 @@ void __init arch_cpu_finalize_init(void) fpu__init_cpu(); /* + * This needs to follow the FPU initializtion, since EFI depends on it. + */ + if (efi_enabled(EFI_RUNTIME_SERVICES)) + efi_enter_virtual_mode(); + + /* * Ensure that access to the per CPU representation has the initial * boot CPU configuration. */ diff --git a/init/main.c b/init/main.c index 225a58279acd7..f9f401b6fdfbc 100644 --- a/init/main.c +++ b/init/main.c @@ -53,7 +53,6 @@ #include <linux/cpuset.h> #include <linux/memcontrol.h> #include <linux/cgroup.h> -#include <linux/efi.h> #include <linux/tick.h> #include <linux/sched/isolation.h> #include <linux/interrupt.h> @@ -1068,10 +1067,6 @@ void start_kernel(void) pid_idr_init(); anon_vma_init(); -#ifdef CONFIG_X86 - if (efi_enabled(EFI_RUNTIME_SERVICES)) - efi_enter_virtual_mode(); -#endif thread_stack_cache_init(); cred_init(); fork_init(); |