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From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: ard.biesheuvel@linaro.org, ndesaulniers@google.com,
	linux-kernel@vger.kernel.org, tglx@linutronix.de,
	will@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] arm64: vdso32: Introduce COMPAT_CC_IS_GCC
Date: Thu, 26 Sep 2019 21:17:59 +0100	[thread overview]
Message-ID: <4a25b76b-0d17-778d-aff5-88f8fbae2819@arm.com> (raw)
In-Reply-To: <20190926151704.GH9689@arrakis.emea.arm.com>

On 9/26/19 4:17 PM, Catalin Marinas wrote:
> On Thu, Sep 26, 2019 at 01:22:01PM +0100, Vincenzo Frascino wrote:
>> On 9/26/19 11:56 AM, Vincenzo Frascino wrote:
>>> On 9/26/19 9:06 AM, Catalin Marinas wrote:
>>>> Now, could we not generate a COMPATCC in the Makefile and use
>>>> $(COMPATCC) here instead of $(CROSS_COMPILE_COMPAT)gcc? It really
>>>> doesn't make sense to check that gcc is gcc.
>>>>
>>>
>>> All right, COMPATCC is already in the makefile, I will use it in here.
>>
>> What you are proposing seems not possible because Kconfig runs first and then
>> the arch Makefile, hence compatcc does not take effect on the Kconfig. I will
>> post v2 with what I proposed, please feel free to comment if you have a better idea.
> 
> I think it works as long as you export COMPATCC from the
> arch/arm64/Makefile. The arch Makefile is used in the config step
> AFAICT. See the diff I posted in my reply to your v2.
> 

All right I will retry and repost v3 if I can get it working.

-- 
Regards,
Vincenzo

WARNING: multiple messages have this Message-ID (diff)
From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: ard.biesheuvel@linaro.org, ndesaulniers@google.com,
	linux-kernel@vger.kernel.org, tglx@linutronix.de,
	will@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] arm64: vdso32: Introduce COMPAT_CC_IS_GCC
Date: Thu, 26 Sep 2019 21:17:59 +0100	[thread overview]
Message-ID: <4a25b76b-0d17-778d-aff5-88f8fbae2819@arm.com> (raw)
In-Reply-To: <20190926151704.GH9689@arrakis.emea.arm.com>

On 9/26/19 4:17 PM, Catalin Marinas wrote:
> On Thu, Sep 26, 2019 at 01:22:01PM +0100, Vincenzo Frascino wrote:
>> On 9/26/19 11:56 AM, Vincenzo Frascino wrote:
>>> On 9/26/19 9:06 AM, Catalin Marinas wrote:
>>>> Now, could we not generate a COMPATCC in the Makefile and use
>>>> $(COMPATCC) here instead of $(CROSS_COMPILE_COMPAT)gcc? It really
>>>> doesn't make sense to check that gcc is gcc.
>>>>
>>>
>>> All right, COMPATCC is already in the makefile, I will use it in here.
>>
>> What you are proposing seems not possible because Kconfig runs first and then
>> the arch Makefile, hence compatcc does not take effect on the Kconfig. I will
>> post v2 with what I proposed, please feel free to comment if you have a better idea.
> 
> I think it works as long as you export COMPATCC from the
> arch/arm64/Makefile. The arch Makefile is used in the config step
> AFAICT. See the diff I posted in my reply to your v2.
> 

All right I will retry and repost v3 if I can get it working.

-- 
Regards,
Vincenzo

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  reply	other threads:[~2019-09-26 20:16 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-20 14:27 Problems with arm64 compat vdso Will Deacon
2019-09-20 16:33 ` Vincenzo Frascino
2019-09-23 16:41   ` Ard Biesheuvel
2019-09-24 12:11     ` Vincenzo Frascino
2019-09-24 18:06       ` Nick Desaulniers
2019-09-24 20:42         ` Vincenzo Frascino
2019-09-25 15:58     ` Ard Biesheuvel
2019-09-26  6:03 ` [PATCH 0/4] arm64: vdso32: Address various issues Vincenzo Frascino
2019-09-26  6:03   ` Vincenzo Frascino
2019-09-26  6:03   ` [PATCH 1/4] arm64: vdso32: Introduce COMPAT_CC_IS_GCC Vincenzo Frascino
2019-09-26  6:03     ` Vincenzo Frascino
2019-09-26  8:06     ` Catalin Marinas
2019-09-26  8:06       ` Catalin Marinas
2019-09-26 10:56       ` Vincenzo Frascino
2019-09-26 10:56         ` Vincenzo Frascino
2019-09-26 11:02         ` Vincenzo Frascino
2019-09-26 11:02           ` Vincenzo Frascino
2019-09-26 15:23           ` Catalin Marinas
2019-09-26 15:23             ` Catalin Marinas
2019-09-26 12:22         ` Vincenzo Frascino
2019-09-26 12:22           ` Vincenzo Frascino
2019-09-26 15:17           ` Catalin Marinas
2019-09-26 15:17             ` Catalin Marinas
2019-09-26 20:17             ` Vincenzo Frascino [this message]
2019-09-26 20:17               ` Vincenzo Frascino
2019-09-26  6:03   ` [PATCH 2/4] arm64: vdso32: Detect binutils support for dmb ishld Vincenzo Frascino
2019-09-26  6:03     ` Vincenzo Frascino
2019-09-26  8:30     ` Catalin Marinas
2019-09-26  8:30       ` Catalin Marinas
2019-09-26 10:59       ` Vincenzo Frascino
2019-09-26 10:59         ` Vincenzo Frascino
2019-09-26  6:03   ` [PATCH 3/4] arm64: vdso32: Fix compilation warning Vincenzo Frascino
2019-09-26  6:03     ` Vincenzo Frascino
2019-09-26  8:32     ` Catalin Marinas
2019-09-26  8:32       ` Catalin Marinas
2019-09-26 11:03       ` Vincenzo Frascino
2019-09-26 11:03         ` Vincenzo Frascino
2019-09-26  6:03   ` [PATCH 4/4] arm64: Remove gettimeofday.S Vincenzo Frascino
2019-09-26  6:03     ` Vincenzo Frascino
2019-09-26  8:34     ` Catalin Marinas
2019-09-26  8:34       ` Catalin Marinas
2019-09-26 13:38 ` [PATCH v2 0/4] arm64: vdso32: Address various issues Vincenzo Frascino
2019-09-26 13:38   ` Vincenzo Frascino
2019-09-26 13:38   ` [PATCH v2 1/4] arm64: vdso32: Introduce COMPAT_CC_IS_GCC Vincenzo Frascino
2019-09-26 13:38     ` Vincenzo Frascino
2019-09-26 15:13     ` Catalin Marinas
2019-09-26 15:13       ` Catalin Marinas
2019-09-26 13:38   ` [PATCH v2 2/4] arm64: vdso32: Detect binutils support for dmb ishld Vincenzo Frascino
2019-09-26 13:38     ` Vincenzo Frascino
2019-09-26 14:26     ` Catalin Marinas
2019-09-26 14:26       ` Catalin Marinas
2019-09-26 20:19       ` Vincenzo Frascino
2019-09-26 20:19         ` Vincenzo Frascino
2019-09-26 15:59     ` Catalin Marinas
2019-09-26 15:59       ` Catalin Marinas
2019-09-26 21:17       ` Vincenzo Frascino
2019-09-26 21:17         ` Vincenzo Frascino
2019-09-26 16:23     ` Nick Desaulniers
2019-09-26 16:23       ` Nick Desaulniers
2019-09-26 13:38   ` [PATCH v2 3/4] arm64: vdso32: Fix compilation warning Vincenzo Frascino
2019-09-26 13:38     ` Vincenzo Frascino
2019-09-26 15:22     ` Catalin Marinas
2019-09-26 15:22       ` Catalin Marinas
2019-09-26 13:38   ` [PATCH v2 4/4] arm64: Remove gettimeofday.S Vincenzo Frascino
2019-09-26 13:38     ` Vincenzo Frascino
2019-09-26 15:31   ` [PATCH v2 0/4] arm64: vdso32: Address various issues Catalin Marinas
2019-09-26 15:31     ` Catalin Marinas
2019-09-26 20:29     ` Vincenzo Frascino
2019-09-26 20:29       ` Vincenzo Frascino
2019-09-26 21:43 ` [PATCH v3 0/5]arm64: " Vincenzo Frascino
2019-09-26 21:43   ` Vincenzo Frascino
2019-09-26 21:43   ` [PATCH v3 1/5] arm64: vdso32: Introduce COMPAT_CC_IS_GCC Vincenzo Frascino
2019-09-26 21:43     ` Vincenzo Frascino
2019-09-27  9:24     ` Catalin Marinas
2019-09-27  9:24       ` Catalin Marinas
2019-10-01 13:14     ` Will Deacon
2019-10-01 13:14       ` Will Deacon
2019-10-01 13:27       ` Catalin Marinas
2019-10-01 13:27         ` Catalin Marinas
2019-10-01 14:20         ` Vincenzo Frascino
2019-10-01 14:20           ` Vincenzo Frascino
2019-10-01 14:20           ` Will Deacon
2019-10-01 14:20             ` Will Deacon
2019-10-01 14:37             ` Vincenzo Frascino
2019-10-01 14:37               ` Vincenzo Frascino
2019-10-01 14:43               ` Will Deacon
2019-10-01 14:43                 ` Will Deacon
2019-10-01 14:59                 ` Vincenzo Frascino
2019-10-01 14:59                   ` Vincenzo Frascino
2019-10-01 15:30                 ` Catalin Marinas
2019-10-01 15:30                   ` Catalin Marinas
2019-10-01 16:46                   ` Will Deacon
2019-10-01 16:46                     ` Will Deacon
2019-10-01 16:59                     ` Nick Desaulniers
2019-10-01 16:59                       ` Nick Desaulniers
2019-10-01 17:07                       ` Will Deacon
2019-10-01 17:07                         ` Will Deacon
2019-10-01 17:12                         ` Nick Desaulniers
2019-10-01 17:12                           ` Nick Desaulniers
2019-10-01 17:14                           ` Will Deacon
2019-10-01 17:14                             ` Will Deacon
2019-09-26 21:43   ` [PATCH v3 2/5] arm64: vdso32: Detect binutils support for dmb ishld Vincenzo Frascino
2019-09-26 21:43     ` Vincenzo Frascino
2019-09-27  9:25     ` Catalin Marinas
2019-09-27  9:25       ` Catalin Marinas
2019-10-01 13:26     ` Will Deacon
2019-10-01 13:26       ` Will Deacon
2019-10-01 14:23       ` Vincenzo Frascino
2019-10-01 14:23         ` Vincenzo Frascino
2019-09-26 21:43   ` [PATCH v3 3/5] arm64: vdso32: Fix compilation warning Vincenzo Frascino
2019-09-26 21:43     ` Vincenzo Frascino
2019-09-27  9:26     ` Catalin Marinas
2019-09-27  9:26       ` Catalin Marinas
2019-10-01 13:21     ` Will Deacon
2019-10-01 13:21       ` Will Deacon
2019-10-01 14:41       ` Vincenzo Frascino
2019-10-01 14:41         ` Vincenzo Frascino
2019-09-26 21:43   ` [PATCH v3 4/5] arm64: Remove gettimeofday.S Vincenzo Frascino
2019-09-26 21:43     ` Vincenzo Frascino
2019-09-26 21:43   ` [PATCH v3 5/5] arm64: vdso32: Remove jump label config option in Makefile Vincenzo Frascino
2019-09-26 21:43     ` Vincenzo Frascino
2019-09-27  9:27     ` Catalin Marinas
2019-09-27  9:27       ` Catalin Marinas
2019-09-27 10:46   ` [PATCH v3 0/5]arm64: vdso32: Address various issues Catalin Marinas
2019-09-27 10:46     ` Catalin Marinas
2019-10-01 13:27   ` Will Deacon
2019-10-01 13:27     ` Will Deacon

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