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From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>, Wei Liu <wl@xen.org>,
	Jan Beulich <JBeulich@suse.com>
Subject: Re: [PATCH] x86/pv: Fix Clang build with !CONFIG_PV32
Date: Tue, 5 May 2020 16:45:57 +0200	[thread overview]
Message-ID: <20200505144557.GD1353@Air-de-Roger> (raw)
In-Reply-To: <20200505142810.14827-1-andrew.cooper3@citrix.com>

On Tue, May 05, 2020 at 03:28:10PM +0100, Andrew Cooper wrote:
> Clang 3.5 doesn't do enough dead-code-elimination to drop the compat_gdt
> reference, resulting in a linker failure:
> 
>   hidden symbol `per_cpu__compat_gdt' isn't defined
> 
> Drop the local variable, and move evaluation of this_cpu(compat_gdt) to within
> the guarded region.
> 
> Reported-by: Roger Pau Monné <roger.pau@citrix.com>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Tested-and-reviewed-by: Roger Pau Monné <roger.pau@citrix.com>

Thanks!


  reply	other threads:[~2020-05-05 14:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-05 14:28 [PATCH] x86/pv: Fix Clang build with !CONFIG_PV32 Andrew Cooper
2020-05-05 14:45 ` Roger Pau Monné [this message]
2020-05-05 14:52 ` Jan Beulich
2020-05-05 15:05   ` Andrew Cooper
2020-05-05 15:20     ` Jan Beulich

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