linux-kernel - [PATCH v4 5/5] init: efi: arm: enable (U)EFI runtime services on arm

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Date:	Sat, 11 Jan 2014 13:05:24 +0000
From:	Leif Lindholm <leif.lindholm@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-efi@...r.kernel.org,
	matt.fleming@...el.com, roy.franz@...aro.org, msalter@...hat.com,
	linux@....linux.org.uk, grant.likely@...retlab.ca,
	patches@...aro.org, Leif Lindholm <leif.lindholm@...aro.org>
Subject: [PATCH v4 5/5] init: efi: arm: enable (U)EFI runtime services on arm

Since the efi_set_virtual_address_map call has strict init ordering
requirements, add an explicit hook in the required place.

Signed-off-by: Leif Lindholm <leif.lindholm@...aro.org>
Acked-by: Grant Likely <grant.likely@...aro.org>
---
 init/main.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/init/main.c b/init/main.c
index febc511..1331829 100644
--- a/init/main.c
+++ b/init/main.c
@@ -905,6 +905,10 @@ static noinline void __init kernel_init_freeable(void)
 	smp_prepare_cpus(setup_max_cpus);
 
 	do_pre_smp_initcalls();
+
+	if (IS_ENABLED(CONFIG_ARM) && efi_enabled(EFI_BOOT))
+		efi_enter_virtual_mode();
+
 	lockup_detector_init();
 
 	smp_init();
-- 
1.7.10.4

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