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[Qemu-devel] [PATCHv4 1/2] fix comment on cpu_register_physical_memory_o
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCHv4 1/2] fix comment on cpu_register_physical_memory_offset |
Date: |
Tue, 29 Sep 2009 18:53:16 +0200 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
We don't require full pages in cpu_register_physical_memory,
except for RAM.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
exec.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/exec.c b/exec.c
index c82e767..be3c682 100644
--- a/exec.c
+++ b/exec.c
@@ -2291,8 +2291,9 @@ static void *subpage_init (target_phys_addr_t base,
ram_addr_t *phys,
} \
} while (0)
-/* register physical memory. 'size' must be a multiple of the target
- page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
+/* register physical memory.
+ For RAM, 'size' must be a multiple of the target page size.
+ If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
io memory page. The address used when calling the IO function is
the offset from the start of the region, plus region_offset. Both
start_addr and region_offset are rounded down to a page boundary
--
1.6.5.rc2
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