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From:   "Luck, Tony" <tony.luck@intel.com>
To:     =?iso-8859-1?Q?Ilpo_J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>
CC:     "Joseph, Jithu" <jithu.joseph@intel.com>,
        Hans de Goede <hdegoede@redhat.com>,
        "markgross@kernel.org" <markgross@kernel.org>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "bp@alien8.de" <bp@alien8.de>,
        "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
        "x86@kernel.org" <x86@kernel.org>, "hpa@zytor.com" <hpa@zytor.com>,
        "rostedt@goodmis.org" <rostedt@goodmis.org>,
        "Raj, Ashok" <ashok.raj@intel.com>,
        LKML <linux-kernel@vger.kernel.org>,
        "platform-driver-x86@vger.kernel.org" 
        <platform-driver-x86@vger.kernel.org>,
        "patches@lists.linux.dev" <patches@lists.linux.dev>,
        "Shankar, Ravi V" <ravi.v.shankar@intel.com>,
        "Xu, Pengfei" <pengfei.xu@intel.com>
Subject: RE: [PATCH 03/10] platform/x86/intel/ifs: Image loading for new
 generations
Thread-Topic: [PATCH 03/10] platform/x86/intel/ifs: Image loading for new
 generations
Thread-Index: AQHZ5nFu/bHCYcc4VU+8hY4jAeuNNLAcG4EAgAAJkACABCgaAIAAbJrQgAAH0ACAAASWAA==
Date:   Mon, 18 Sep 2023 16:09:06 +0000
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> Since you replied, would you happen to have a pointer something that tell=
s=20
> (in writing) how the bitfields in C are allocated in case of x86_64? I=20
> spent a bit of time trying to find something but came up nothing.

Search engines don't seem to be as good as they used to be (or I'm not as
good at finding the right query).=20

There's a bit on page 14 of:

https://refspecs.linuxbase.org/elf/x86_64-abi-0.99.pdf

that says bit fields are allocated right to left (which is a good
start). But I thought there was a doc somewhere that gave
more detail about alignment of bitfields.

-Tony