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From: Matt Fleming <matt@console-pimps.org>
To: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Ulf Winkelvos <ulf@winkelvos.de>,
	Matt Fleming <matt.fleming@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	linux-efi@vger.kernel.org,
	Seth Forshee <seth.forshee@canonical.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Matthew Garrett <mjg59@srcf.ucam.org>
Subject: Re: [REGRESSION] "efi: efistub: Convert into static library" and preparation patches
Date: Tue, 2 Sep 2014 20:29:41 +0100	[thread overview]
Message-ID: <20140902192941.GB3001@console-pimps.org> (raw)
In-Reply-To: <5405E186.2080406@canonical.com>

On Tue, 02 Sep, at 05:25:58PM, Maarten Lankhorst wrote:
> 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")));
 
Weird. That sounds like a bug in the Apple EFI PE loader. Does any other
visibility result in a working kernel?

> I also need to revert commit f4f75ad5741fe "efi: efistub: Convert into static library"
> to get boot working.
 
I'll take a look at the symbol changes between these commits and try and
guess what's going on.

> 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.

Yeah, that should be unrelated.

Thanks for the report.

-- 
Matt Fleming, Intel Open Source Technology Center

  reply	other threads:[~2014-09-02 19:29 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-02 15:25 [REGRESSION] "efi: efistub: Convert into static library" and preparation patches Maarten Lankhorst
2014-09-02 19:29 ` Matt Fleming [this message]
2014-09-03  6:06   ` Ard Biesheuvel
     [not found]     ` <CAKv+Gu_eSe+FeNkGm+w3sSsRn2_hr70xLVBieZgyhawAv6PQvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-03  8:27       ` Maarten Lankhorst
     [not found]         ` <5406D0DB.90401-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2014-09-03 12:18           ` Ard Biesheuvel
2014-09-03 15:30             ` Maarten Lankhorst
     [not found]               ` <54073409.6030004-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2014-09-03 15:37                 ` Ard Biesheuvel
     [not found]                   ` <CAKv+Gu9q1qTh6DZXsCG2tGVBn-uwuQKQa_6FEMmchDVFi5vJtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-03 17:59                     ` Matt Fleming
     [not found]                       ` <20140903175948.GH3001-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-03 19:57                         ` Ard Biesheuvel
     [not found]                           ` <CAKv+Gu9tejixb3Kb3YM_7sLcpKNuRHN+Dn+twFyCAXx99wYRCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-03 21:28                             ` H. Peter Anvin
2014-09-04 10:48                             ` Maarten Lankhorst
     [not found]                               ` <54084376.8090002-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2014-09-04 11:19                                 ` Ard Biesheuvel
     [not found]                                   ` <BA3DE6F4-93D9-4CDE-90D7-280360929ABD-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-09-04 11:24                                     ` Maarten Lankhorst
2014-09-04 12:54                                 ` Michael Brown
     [not found]                                   ` <540860F1.6060801-OViyBiuKJBuK421+ScFKDQ@public.gmane.org>
2014-09-04 19:12                                     ` Ard Biesheuvel
2014-09-04 21:25                                       ` Ard Biesheuvel
     [not found]                                         ` <CAKv+Gu_sLmkBHF-9GyPUgfAbLYirQTD4vk63o6HzdZhm6s_e0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-04 21:37                                           ` Matt Fleming
     [not found]                                             ` <20140904213753.GM3001-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-05 20:27                                               ` Matt Fleming
     [not found]                                                 ` <20140905202744.GO3001-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-08 12:55                                                   ` Ard Biesheuvel
     [not found]                                                     ` <CAKv+Gu8GOHMa=zVWBG7OdSG2i2Ag_XyEBE5NzU6ffLNP8zA3Ug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-08 13:01                                                       ` Maarten Lankhorst
2014-09-08 13:16                                                         ` Matt Fleming
2014-09-22 18:44                                                 ` Josh Boyer
2014-09-22 21:07                                                   ` Matt Fleming
2014-09-22 21:24                                                     ` Josh Boyer
2014-09-03 21:47                         ` H. Peter Anvin
     [not found]                           ` <54078C74.2060804-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-09-04  6:47                             ` Ard Biesheuvel

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