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Re: [Qemu-ppc] [Qemu-devel] [PATCH for-2.6] ppc: Fix migration of the XE
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From: |
Mark Cave-Ayland |
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Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH for-2.6] ppc: Fix migration of the XER register |
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Date: |
Fri, 15 Apr 2016 11:17:00 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.7.0 |
On 15/04/16 10:03, Thomas Huth wrote:
> env->xer only holds the lower bits of the XER register nowadays, the
> SO, OV and CA bits are stored in separate variables (see the function
> cpu_write_xer() for details). Since the migration code currently only
> reads the "xer" variable, the upper bits are lost during migration.
> Fix it by using cpu_read_xer() instead.
>
> Signed-off-by: Thomas Huth <address@hidden>
This looks like the pre_save counterpart to the post_load patch I sent
in January (see 6a9620e60cc1b16dba9ee9d9d8cb374e4303c072) so I'm fairly
sure this is right.
Reviewed-by: Mark Cave-Ayland <address@hidden>
ATB,
Mark.