linux-kernel - Re: "54b52d87268034859191d671505bb1cfce6bd74d - x86/efi: Build our own EFI services pointer table" breaks boot on thinkpad t440s

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Message-Id: <88A266AC-FAC5-445D-B9BE-CFD289B23E6C@dominion.thruhere.net>
Date:	Thu, 10 Apr 2014 14:24:38 +0200
From:	Koen Kooi <koen@...inion.thruhere.net>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Matt Fleming <matt.fleming@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Kees Cook <keescook@...omium.org>,
	Zhang Yanfei <zhangyanfei@...fujitsu.com>,
	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: "54b52d87268034859191d671505bb1cfce6bd74d - x86/efi: Build our own EFI services pointer table" breaks boot on thinkpad t440s


Op 10 apr. 2014, om 14:11 heeft Matt Fleming <matt@...sole-pimps.org> het volgende geschreven:

> On Thu, 10 Apr, at 12:43:43PM, Koen Kooi wrote:
>> Hi,
>> 
>> After updating from 3.14-rc7 to a recent git the kernel fails to boot on my thinkpad t440s and displays:
>> 
>> 	Failed to get file info size
>> 	Failed to alloc highmem for files
>> 
>> After a morning of running git bisect and rebooting, the bad commit seems to be:
>> 
>> 	54b52d87268034859191d671505bb1cfce6bd74d - x86/efi: Build our own EFI services pointer table
> 
> Thanks for the report. Can you try this patch against Linus' tree?

That indeed fixes it, so:

Tested-by: Koen Kooi <koen@...inion.thruhere.net>

regards,

Koen

> 
> 
> diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
> index 1e6146137f8e..280165524ee4 100644
> --- a/arch/x86/boot/compressed/eboot.c
> +++ b/arch/x86/boot/compressed/eboot.c
> @@ -112,7 +112,7 @@ __file_size64(void *__fh, efi_char16_t *filename_16,
> 	efi_file_info_t *info;
> 	efi_status_t status;
> 	efi_guid_t info_guid = EFI_FILE_INFO_ID;
> -	u32 info_sz;
> +	u64 info_sz;
> 
> 	status = efi_early->call((unsigned long)fh->open, fh, &h, filename_16,
> 				 EFI_FILE_MODE_READ, (u64)0);
> -- 
> Matt Fleming, Intel Open Source Technology Center
> 

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