linux-kernel - Re: [PATCH v2 1/3] ARM: use arch_extension directive instead of arch argument

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Date:   Tue, 9 Apr 2019 07:50:42 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Stefan Agner <stefan@...er.ch>
Cc:     arm@...nel.org, linux@...linux.org.uk, arnd@...db.de,
        ard.biesheuvel@...aro.org, robin.murphy@....com,
        nicolas.pitre@...aro.org, f.fainelli@...il.com, rjui@...adcom.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        kgene@...nel.org, krzk@...nel.org, robh@...nel.org,
        ssantosh@...nel.org, jason@...edaemon.net, andrew@...n.ch,
        gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        marc.w.gonzalez@...e.fr, mans@...sr.com, ndesaulniers@...gle.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] ARM: use arch_extension directive instead of arch
 argument

Hi,

* Stefan Agner <stefan@...er.ch> [190408 20:59]:
> --- a/arch/arm/mach-omap2/Makefile
> +++ b/arch/arm/mach-omap2/Makefile
> @@ -41,11 +41,6 @@ obj-$(CONFIG_SOC_OMAP5)			+= $(omap-4-5-common) $(smp-y) sleep44xx.o
>  obj-$(CONFIG_SOC_AM43XX)		+= $(omap-4-5-common)
>  obj-$(CONFIG_SOC_DRA7XX)		+= $(omap-4-5-common) $(smp-y) sleep44xx.o
>  
> -plus_sec := $(call as-instr,.arch_extension sec,+sec)
> -AFLAGS_omap-headsmp.o			:=-Wa,-march=armv7-a$(plus_sec)
> -AFLAGS_omap-smc.o			:=-Wa,-march=armv7-a$(plus_sec)
> -AFLAGS_sleep44xx.o			:=-Wa,-march=armv7-a$(plus_sec)
> -
>  # Functions loaded to SRAM
>  obj-$(CONFIG_SOC_OMAP2420)		+= sram242x.o
>  obj-$(CONFIG_SOC_OMAP2430)		+= sram243x.o
> @@ -95,9 +90,6 @@ obj-$(CONFIG_POWER_AVS_OMAP)		+= sr_device.o
>  obj-$(CONFIG_POWER_AVS_OMAP_CLASS3)    += smartreflex-class3.o
>  
>  AFLAGS_sleep24xx.o			:=-Wa,-march=armv6
> -AFLAGS_sleep34xx.o			:=-Wa,-march=armv7-a$(plus_sec)
> -AFLAGS_sleep33xx.o			:=-Wa,-march=armv7-a$(plus_sec)
> -AFLAGS_sleep43xx.o			:=-Wa,-march=armv7-a$(plus_sec)

I think we should also change the AFLAGS_sleep24xx.o above the
same way but with armv6 flags. This can be build tested with
omap2plus_defconfig.

Regards,

Tony