From: Scott Wood <scottwood@freescale.com>
To: Catalin Udma <catalin.udma@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] Update compilation flags with core specific options
Date: Tue, 9 Jul 2013 18:48:35 -0500 [thread overview]
Message-ID: <1373413715.8183.210@snotra> (raw)
In-Reply-To: <1372764004-18896-1-git-send-email-catalin.udma@freescale.com> (from catalin.udma@freescale.com on Tue Jul 2 06:20:04 2013)
On 07/02/2013 06:20:04 AM, Catalin Udma wrote:
> If CONFIG_E500 is enabled, the compilation flags are updated
> specifying the target core -mcpu=3De5500/e500mc/8540
> Also remove -Wa,-me500, being incompatible with -mcpu=3De5500/e6500
> The assembler option is redundant if the -mcpu=3D flag is set.
> The patch fixes the kernel compilation problem for e5500/e6500
> when using gcc option -mcpu=3De5500/e6500.
Another reason to do this is that currently, the assembler is replacing =20
lwsync with sync on 64-bit kernels (it doesn't happen on 32-bit because =20
we generate the lwsync at runtime) due to the -Wa,-me500.
-Scott=
next prev parent reply other threads:[~2013-07-09 23:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 11:20 [PATCH] Update compilation flags with core specific options Catalin Udma
2013-07-09 23:48 ` Scott Wood [this message]
2013-07-24 0:11 ` Scott Wood
2013-07-24 16:25 ` Udma Catalin-Dan-B32721
2013-07-24 17:45 ` Scott Wood
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