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authorThomas Gleixner <tglx@linutronix.de>2020-07-23 00:46:44 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-07-23 00:46:44 +0200
commit74f85551666fe40bd739e95b5ecb20f53f8ad4df (patch)
treeaae026c719e7d81d25b8bc0623db740ff92e88e5 /drivers/firmware/efi/vars.c
parent2a55280a3675203496d302463b941834228b9875 (diff)
parent769e0fe1171e95d90ea5a2d6d0b2bdc7d5d2e7b2 (diff)
Merge tag 'efi-urgent-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgentefi-urgent-2020-07-25
Pull EFI fixes from Ard Biesheuvel: - Fix the layering violation in the use of the EFI runtime services availability mask in users of the 'efivars' abstraction - Revert build fix for GCC v4.8 which is no longer supported - Some fixes for build issues found by Atish while working on RISC-V support - Avoid --whole-archive when linking the stub on arm64 - Some x86 EFI stub cleanups from Arvind
Diffstat (limited to 'drivers/firmware/efi/vars.c')
-rw-r--r--drivers/firmware/efi/vars.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 5f2a4d162795..973eef234b36 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -1229,3 +1229,9 @@ out:
return rv;
}
EXPORT_SYMBOL_GPL(efivars_unregister);
+
+int efivar_supports_writes(void)
+{
+ return __efivars && __efivars->ops->set_variable;
+}
+EXPORT_SYMBOL_GPL(efivar_supports_writes);