linux-kernel - [REGRESSION] "efi: efistub: Convert into static library" and preparation patches

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Date:	Tue, 02 Sep 2014 17:25:58 +0200
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	Ulf Winkelvos <ulf@...kelvos.de>,
	Matt Fleming <matt.fleming@...el.com>
CC:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, linux-efi@...r.kernel.org,
	Seth Forshee <seth.forshee@...onical.com>
Subject: [REGRESSION] "efi: efistub: Convert into static library" and preparation
 patches

Hey,

My macbook pro 8.2 fails to do a efi stub boot with these patches.

Commit f23cf8bd5c1f49 "efi/x86: efistub: Move shared dependencies to <asm/efi.h>"
causes the first break, but this can be averted by changing

struct efi_config *efi_early;

to

struct efi_config *efi_early __attribute__((visibility("hidden")));

I also need to revert commit f4f75ad5741fe "efi: efistub: Convert into static library"
to get boot working.

I'm not an early boot expert, so I have no idea what's going on here.
Only console output I see when the boot fails is "setup_efi_pci() failed!" after
the commit that adds this message.

~Maarten

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