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

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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?


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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