On Thu, 16 Jun 2011, Alexander Holler wrote: > In commit 139540170d9d9b7ead3caaf540f161756b356d56 the attribute > packed is removed from the structs which are used to access the EHCI-registers. > > This is done to circumvent a problem with gcc 4.6, which might access members of > packed structs on a byte by byte basis. But using packed, aligned(4) fixes that > too and is imho the better solution. Otherwise (without packed) the compiler would be free > to choose whatever alignment he thinks fits best, which might be e.g. 8-byte on 64-bit machines. Is that really true? I thought the compiler was not allowed to insert padding if the natural alignment of the data types didn't require any. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
