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Message-ID: <3c14a6cf-509e-4743-be26-b14aef7f6930@linux.ibm.com>
Date: Thu, 16 May 2024 06:39:54 -0500
From: Danny Tsen <dtsen@...ux.ibm.com>
To: Andy Polyakov <appro@...ptogams.org>,
Michael Ellerman <mpe@...erman.id.au>, linux-crypto@...r.kernel.org
Cc: herbert@...dor.apana.org.au, leitao@...ian.org, nayna@...ux.ibm.com,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
ltcgcw@...ux.vnet.ibm.com, dtsen@...ibm.com
Subject: Re: [PATCH 1/3] crypto: X25519 low-level primitives for ppc64le.
Hi Andy,
I learned something here. Will fix this. Thanks.
-Danny
On 5/16/24 3:38 AM, Andy Polyakov wrote:
> Hi,
>
>>> +.abiversion 2
>>
>> I'd prefer that was left to the compiler flags.
>
> Problem is that it's the compiler that is responsible for providing
> this directive in the intermediate .s prior invoking the assembler.
> And there is no assembler flag to pass through -Wa. If concern is ABI
> neutrality, then solution would rather be #if (_CALL_ELF-0) ==
> 2/#endif. One can also make a case for
>
> #ifdef _CALL_ELF
> .abiversion _CALL_ELF
> #endif
>
> Cheers.
>
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