From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v4 01/17] x86/common: Align cpu_caps_cleared and
 cpu_caps_set to unsigned long
Date: Mon, 4 Mar 2019 13:44:33 +0100
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Cc: Fenghua Yu <fenghua.yu@intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        H Peter Anvin <hpa@zytor.com>,
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        Ashok Raj <ashok.raj@intel.com>,
        Ravi V Shankar <ravi.v.shankar@intel.com>,
        Xiaoyao Li <xiaoyao.li@intel.com>,
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To: Paolo Bonzini <pbonzini@redhat.com>
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On Mon, Mar 04, 2019 at 11:48:18AM +0100, Paolo Bonzini wrote:
> True that.  On the other hand btsl/btrl is also one byte smaller if no 
> operand is %r8-%r15.

Because then we loose the REX prefix, right. Now _that_ might actually
be a reason to do that :-)

> In any case, /me wonders if we should have a macro like
> 
> #define DECLARE_LE_BITMAP(name,bits) \
>         u32 name[DIV_ROUND_UP(bits, 32)] __aligned(sizeof(unsigned long))

 s/u32/__le32/

To go in bitops/le.h, sure, if there's enough users.