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exec: remove obsolete comment

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See how we call memory_region_section_addr two lines below to
convert a physical address to a base address in the region.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-11 15:33:16 +02:00
parent 9ce0e92754
commit bbcfd2913c
1 changed files with 0 additions and 6 deletions
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6
exec.c
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@ -639,12 +639,6 @@ hwaddr memory_region_section_get_iotlb(CPUArchState *env,
iotlb |= phys_section_rom; iotlb |= phys_section_rom;
} }
} else { } else {
/* IO handlers are currently passed a physical address.
It would be nice to pass an offset from the base address
of that region. This would avoid having to special case RAM,
and avoid full address decoding in every device.
We can't use the high bits of pd for this because
IO_MEM_ROMD uses these as a ram address. */
iotlb = section - phys_sections; iotlb = section - phys_sections;
iotlb += memory_region_section_addr(section, paddr); iotlb += memory_region_section_addr(section, paddr);
} }