linux-kernel - Re: [PATCH v3 1/5] arm64: vdso32: Introduce COMPAT_CC_IS

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Message-ID: <20190927092453.GA20642@arrakis.emea.arm.com>
Date:   Fri, 27 Sep 2019 10:24:54 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Vincenzo Frascino <vincenzo.frascino@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        ard.biesheuvel@...aro.org, ndesaulniers@...gle.com,
        will@...nel.org, tglx@...utronix.de
Subject: Re: [PATCH v3 1/5] arm64: vdso32: Introduce COMPAT_CC_IS_GCC

On Thu, Sep 26, 2019 at 10:43:38PM +0100, Vincenzo Frascino wrote:
> Address the problem removing CONFIG_CROSS_COMPILE_COMPAT_VDSO and moving

And this config does need to go in a subsequent patch.

> the detection of the correct compiler into Kconfig via COMPAT_CC_IS_GCC.

Nitpick: it's COMPATCC_IS_ARM_GCC now.

> As a consequence of this it is not possible anymore to set the compat
> cross compiler from menuconfig but it requires to be exported via
> command line.
> 
> E.g.:
> 
> $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
> CROSS_COMPILE_COMPAT=arm-linux-gnueabihf

Another nitpick, add a '-' at the end of 'gnueabihf'.

Otherwise:

Reviewed-by: Catalin Marinas <catalin.marinas@....com>