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Re: [Qemu-devel] 答复: [PATCH] intc: arm_gicv3: limit GICR ipriority inde
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From: |
P J P |
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Subject: |
Re: [Qemu-devel] 答复: [PATCH] intc: arm_gicv3: limit GICR ipriority index |
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Date: |
Wed, 6 Sep 2017 12:15:32 +0530 (IST) |
+-- On Tue, 5 Sep 2017, Peter Maydell wrote --+
| The code cannot be reached with a non-aligned value,
| because we register these functions via the gic_ops[]
| MemoryRegionops in hw/intc/arm_gicv3.c, and since we
| do not specify .valid.unaligned=true there, the memory.c
| code will throw out attempts at unaligned accesses.
I see, thank you for the clarification; ie. within the range
GICR_IPRIORITYR ... GICR_IPRIORITYR + 0x1f:
'offset' would be GICR_IPRIORITYR +0, +4, +8 ... 0x1c?
Maybe the patch could still be considered, not as bug fix though.
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
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