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Date:   Tue, 16 Mar 2021 20:57:50 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     "Yu, Yu-cheng" <yu-cheng.yu@intel.com>
Cc:     Dave Hansen <dave.hansen@intel.com>, x86@kernel.org,
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Subject: Re: [PATCH v23 6/9] x86/entry: Introduce ENDBR macro
Message-ID: <YFENvgrR8JSYq1ae@hirez.programming.kicks-ass.net>
References: <20210316151320.6123-1-yu-cheng.yu@intel.com>
 <20210316151320.6123-7-yu-cheng.yu@intel.com>
 <f98c600a-80e4-62f0-9c97-eeed708d998d@intel.com>
 <15966857-9be7-3029-7e93-e40596b4649a@intel.com>
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On Tue, Mar 16, 2021 at 10:12:39AM -0700, Yu, Yu-cheng wrote:
> Alternatively, there is another compiler-defined macro _CET_ENDBR that can
> be used.  We can put the following in calling.h:
> 
> #ifdef __CET__
> #include <cet.h>
> #else
> #define _CET_ENDBR
> #endif
> 
> and then use _CET_ENDBR in other files.  How is that?
> 
> In the future, in case we have kernel-mode IBT, ENDBR macros are also needed
> for other assembly files.

Can we please call it IBT_ENDBR or just ENDBR. CET is a horrible name,
seeing how it is not specific.