diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/arm-runtime.c | 6 | ||||
| -rw-r--r-- | drivers/firmware/efi/runtime-wrappers.c | 17 |
2 files changed, 18 insertions, 5 deletions
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index f99995666f86..0c1af675c338 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -42,10 +42,10 @@ static struct ptdump_info efi_ptdump_info = { static int __init ptdump_init(void) { - if (!efi_enabled(EFI_RUNTIME_SERVICES)) - return 0; + if (efi_enabled(EFI_RUNTIME_SERVICES)) + ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables"); - return ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables"); + return 0; } device_initcall(ptdump_init); diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c index 698745c249e8..6fa2df383f22 100644 --- a/drivers/firmware/efi/runtime-wrappers.c +++ b/drivers/firmware/efi/runtime-wrappers.c @@ -89,11 +89,24 @@ exit: \ efi_rts_work.status; \ }) +#ifndef arch_efi_save_flags +#define arch_efi_save_flags(state_flags) local_save_flags(state_flags) +#define arch_efi_restore_flags(state_flags) local_irq_restore(state_flags) +#endif + +unsigned long efi_call_virt_save_flags(void) +{ + unsigned long flags; + + arch_efi_save_flags(flags); + return flags; +} + void efi_call_virt_check_flags(unsigned long flags, const char *call) { unsigned long cur_flags, mismatch; - local_save_flags(cur_flags); + cur_flags = efi_call_virt_save_flags(); mismatch = flags ^ cur_flags; if (!WARN_ON_ONCE(mismatch & ARCH_EFI_IRQ_FLAGS_MASK)) @@ -102,7 +115,7 @@ void efi_call_virt_check_flags(unsigned long flags, const char *call) add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_NOW_UNRELIABLE); pr_err_ratelimited(FW_BUG "IRQ flags corrupted (0x%08lx=>0x%08lx) by EFI %s\n", flags, cur_flags, call); - local_irq_restore(flags); + arch_efi_restore_flags(flags); } /* |