linux-kernel - [PATCHv2 1/4] efi: Add a stub for efi_enter_virtual

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Message-ID: <a3207a2f6dc5676d142dd1241aa87012d8cb148f.1346792566.git.josh@joshtriplett.org>
Date:	Tue, 4 Sep 2012 14:23:50 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Len Brown <lenb@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	Olof Johansson <olof@...om.net>,
	Matthew Garrett <mjg@...hat.com>,
	David Howells <dhowells@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Pawel Moll <pawel.moll@....com>, linux-acpi@...r.kernel.org
Subject: [PATCHv2 1/4] efi: Add a stub for efi_enter_virtual_mode on non-x86

This eliminates an ifdef in init/main.c.

Signed-off-by: Josh Triplett <josh@...htriplett.org>
---
 include/linux/efi.h |    4 ++++
 init/main.c         |    2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/efi.h b/include/linux/efi.h
index ec45ccd..52fbedf 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -495,7 +495,11 @@ extern void *efi_get_pal_addr (void);
 extern void efi_map_pal_code (void);
 extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
 extern void efi_gettimeofday (struct timespec *ts);
+#ifdef CONFIG_X86
 extern void efi_enter_virtual_mode (void);	/* switch EFI to virtual mode, if possible */
+#else
+static void efi_enter_virtual_mode(void) {}
+#endif
 extern u64 efi_get_iobase (void);
 extern u32 efi_mem_type (unsigned long phys_addr);
 extern u64 efi_mem_attributes (unsigned long phys_addr);
diff --git a/init/main.c b/init/main.c
index b286730..ebb1ba5 100644
--- a/init/main.c
+++ b/init/main.c
@@ -602,10 +602,8 @@ asmlinkage void __init start_kernel(void)
 	calibrate_delay();
 	pidmap_init();
 	anon_vma_init();
-#ifdef CONFIG_X86
 	if (efi_enabled)
 		efi_enter_virtual_mode();
-#endif
 	thread_info_cache_init();
 	cred_init();
 	fork_init(totalram_pages);
-- 
1.7.10.4

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