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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-05-24 15:48:08 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-24 15:48:08 +0100 |
| commit | 0dab1d36f55c3ed649bb8e4c74b9269ef3a63049 (patch) | |
| tree | 212e624387db446a1bf062305e0851ccac18e4c5 /include/qemu/bitops.h | |
| parent | 371ebfe28600fc5a435504b841cd401208a68f07 (diff) | |
| parent | 0a6f0c76a030710780ce10d6347a70f098024d21 (diff) | |
| download | focaccia-qemu-0dab1d36f55c3ed649bb8e4c74b9269ef3a63049.tar.gz focaccia-qemu-0dab1d36f55c3ed649bb8e4c74b9269ef3a63049.zip | |
Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/block-pull-request' into staging
Pull request (Resent due to an email preparation mistake.) # gpg: Signature made Mon 24 May 2021 14:01:42 BST # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha-gitlab/tags/block-pull-request: coroutine-sleep: introduce qemu_co_sleep coroutine-sleep: replace QemuCoSleepState pointer with struct in the API coroutine-sleep: move timer out of QemuCoSleepState coroutine-sleep: allow qemu_co_sleep_wake that wakes nothing coroutine-sleep: disallow NULL QemuCoSleepState** argument coroutine-sleep: use a stack-allocated timer bitops.h: Improve find_xxx_bit() documentation multi-process: Initialize variables declared with g_auto* Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/qemu/bitops.h')
| -rw-r--r-- | include/qemu/bitops.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 3acbf3384c..a72f69fea8 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -140,7 +140,8 @@ static inline int test_bit(long nr, const unsigned long *addr) * @addr: The address to start the search at * @size: The maximum size to search * - * Returns the bit number of the first set bit, or size. + * Returns the bit number of the last set bit, + * or @size if there is no set bit in the bitmap. */ unsigned long find_last_bit(const unsigned long *addr, unsigned long size); @@ -150,6 +151,9 @@ unsigned long find_last_bit(const unsigned long *addr, * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The bitmap size in bits + * + * Returns the bit number of the next set bit, + * or @size if there are no further set bits in the bitmap. */ unsigned long find_next_bit(const unsigned long *addr, unsigned long size, @@ -160,6 +164,9 @@ unsigned long find_next_bit(const unsigned long *addr, * @addr: The address to base the search on * @offset: The bitnumber to start searching at * @size: The bitmap size in bits + * + * Returns the bit number of the next cleared bit, + * or @size if there are no further clear bits in the bitmap. */ unsigned long find_next_zero_bit(const unsigned long *addr, @@ -171,7 +178,8 @@ unsigned long find_next_zero_bit(const unsigned long *addr, * @addr: The address to start the search at * @size: The maximum size to search * - * Returns the bit number of the first set bit. + * Returns the bit number of the first set bit, + * or @size if there is no set bit in the bitmap. */ static inline unsigned long find_first_bit(const unsigned long *addr, unsigned long size) @@ -194,7 +202,8 @@ static inline unsigned long find_first_bit(const unsigned long *addr, * @addr: The address to start the search at * @size: The maximum size to search * - * Returns the bit number of the first cleared bit. + * Returns the bit number of the first cleared bit, + * or @size if there is no clear bit in the bitmap. */ static inline unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) |