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From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH 1/4] x86: replace __ASM_{CL,ST}AC
Date: Fri, 31 Jul 2020 10:00:11 +0200	[thread overview]
Message-ID: <7ead7983-f652-41d9-62e2-33104af3bba5@suse.com> (raw)
In-Reply-To: <ea6eeb6d-7af2-97cb-4c11-6e0a81755961@citrix.com>

On 28.07.2020 15:55, Andrew Cooper wrote:
> On 15/07/2020 11:48, Jan Beulich wrote:
>> --- a/xen/arch/x86/arch.mk
>> +++ b/xen/arch/x86/arch.mk
>> @@ -20,6 +20,7 @@ $(call as-option-add,CFLAGS,CC,"rdrand %
>>  $(call as-option-add,CFLAGS,CC,"rdfsbase %rax",-DHAVE_AS_FSGSBASE)
>>  $(call as-option-add,CFLAGS,CC,"xsaveopt (%rax)",-DHAVE_AS_XSAVEOPT)
>>  $(call as-option-add,CFLAGS,CC,"rdseed %eax",-DHAVE_AS_RDSEED)
>> +$(call as-option-add,CFLAGS,CC,"clac",-DHAVE_AS_CLAC_STAC)
> 
> Kconfig please, rather than extending this legacy section.
> 
> That said, surely stac/clac support is old enough for us to start using
> unconditionally?

It's available in binutils 2.24 and newer.

Jan


  parent reply	other threads:[~2020-07-31  8:00 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15 10:47 [PATCH 0/4] x86: some assembler macro rework Jan Beulich
2020-07-15 10:48 ` [PATCH 1/4] x86: replace __ASM_{CL,ST}AC Jan Beulich
2020-07-27 14:55   ` Roger Pau Monné
2020-07-27 19:47     ` Jan Beulich
2020-07-28  9:06       ` Roger Pau Monné
2020-07-31  8:05         ` Jan Beulich
2020-07-31  8:12           ` Roger Pau Monné
2020-07-28 13:59       ` Andrew Cooper
2020-07-28 19:24         ` Jan Beulich
2020-07-28 13:55   ` Andrew Cooper
2020-07-28 19:18     ` Jan Beulich
2020-07-31  8:00     ` Jan Beulich [this message]
2020-07-15 10:48 ` [PATCH 2/4] x86: reduce CET-SS related #ifdef-ary Jan Beulich
2020-07-27 15:00   ` Roger Pau Monné
2020-07-27 19:50     ` Jan Beulich
2020-07-28  8:36       ` Roger Pau Monné
2020-07-28 14:29   ` Andrew Cooper
2020-07-28 19:33     ` Jan Beulich
2020-07-15 10:49 ` [PATCH 3/4] x86: drop ASM_{CL,ST}AC Jan Beulich
2020-07-27 15:10   ` Roger Pau Monné
2020-07-28 14:51   ` Andrew Cooper
2020-07-28 19:41     ` Jan Beulich
2020-07-15 10:49 ` [PATCH 4/4] x86: fold indirect_thunk_asm.h into asm-defns.h Jan Beulich
2020-07-27 15:16   ` Roger Pau Monné

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