On Mon, 14 Jul, at 01:08:32PM, Matt Fleming wrote: > On Sat, 12 Jul, at 02:34:26PM, Michael Brown wrote: > > On 12/07/14 01:31, H. Peter Anvin wrote: > > >>--- a/arch/x86/boot/header.S > > >>+++ b/arch/x86/boot/header.S > > >>@@ -154,7 +154,7 @@ extra_header_fields: > > >> #else > > >> .quad 0 # ImageBase > > >> #endif > > >>- .long 0x20 # SectionAlignment > > >>+ .long CONFIG_PHYSICAL_ALIGN # SectionAlignment > > >> .long 0x20 # FileAlignment > > >> .word 0 # MajorOperatingSystemVersion > > >> .word 0 # MinorOperatingSystemVersion > > > > > >Are large alignments (16 MiB!) actually allowed in PE/COFF? > > > > I tested it: the EDK2 code seems perfectly happy to load images with > > that alignment. > > Right, I also quickly scanned the PE/COFF spec and didn't see anything > to suggest that such a large alignment would be allowed for > SectionAlignment (FileAlignment is another matter). Urgh... I didn't see anything in the spec saying a 16MB alignment would *not* be allowed. -- Matt Fleming, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
