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[Qemu-devel] [RFC v2 1/7] bitmap: Add bitmap_one_extend operation
From: |
Alvise Rigo |
Subject: |
[Qemu-devel] [RFC v2 1/7] bitmap: Add bitmap_one_extend operation |
Date: |
Mon, 15 Jun 2015 13:51:22 +0200 |
Suggested-by: Jani Kokkonen <address@hidden>
Suggested-by: Claudio Fontana <address@hidden>
Signed-off-by: Alvise Rigo <address@hidden>
---
include/qemu/bitmap.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h
index 86dd9cd..c59e8e7 100644
--- a/include/qemu/bitmap.h
+++ b/include/qemu/bitmap.h
@@ -246,4 +246,13 @@ static inline unsigned long *bitmap_zero_extend(unsigned
long *old,
return new;
}
+static inline unsigned long *bitmap_one_extend(unsigned long *old,
+ long old_nbits, long new_nbits)
+{
+ long new_len = BITS_TO_LONGS(new_nbits) * sizeof(unsigned long);
+ unsigned long *new = g_realloc(old, new_len);
+ bitmap_set(new, old_nbits, new_nbits - old_nbits);
+ return new;
+}
+
#endif /* BITMAP_H */
--
2.4.3
- [Qemu-devel] [RFC v2 0/7] Slow-path for atomic instruction translation, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 1/7] bitmap: Add bitmap_one_extend operation,
Alvise Rigo <=
- [Qemu-devel] [RFC v2 3/7] Add new TLB_EXCL flag, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 2/7] exec: Add new exclusive bitmap to ram_list, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 4/7] softmmu: Add helpers for a new slow-path, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 5/7] tcg-op: create new TCG qemu_ldlink and qemu_stcond instructions, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 6/7] target-arm: translate: implement qemu_ldlink and qemu_stcond ops, Alvise Rigo, 2015/06/15
- [Qemu-devel] [RFC v2 7/7] target-i386: translate: implement qemu_ldlink and qemu_stcond ops, Alvise Rigo, 2015/06/15