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lxip: implement ffz() with __ffs()

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Unfortunately, ffs() returns bit positions starting at 1 while ffz()
needs the semantics of __ffs(), which starts bit positions at zero.
This commit is contained in:
Christian Helmuth 2016-06-14 16:28:36 +02:00
parent 0c13effaa8
commit 470757cf15
2 changed files with 1 additions and 16 deletions
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15
repos/dde_linux/src/lib/lxip/dummies.cc
View File

@ -228,7 +228,6 @@ DUMMY(-1, dump_stack)
DUMMY(-1, ether_addr_equal_64bits) DUMMY(-1, ether_addr_equal_64bits)
DUMMY(-1, exit_fn) DUMMY(-1, exit_fn)
DUMMY(-1, file_inode) DUMMY(-1, file_inode)
DUMMY(-1, fls64)
DUMMY(-1, free_pages) DUMMY(-1, free_pages)
DUMMY(-1, from_kgid) DUMMY(-1, from_kgid)
DUMMY(-1, from_kgid_munged) DUMMY(-1, from_kgid_munged)
@ -304,13 +303,8 @@ DUMMY(-1, ip_mc_up)
DUMMY(-1, ip_mroute_getsockopt) DUMMY(-1, ip_mroute_getsockopt)
DUMMY(-1, ip_mroute_opt) DUMMY(-1, ip_mroute_opt)
DUMMY(-1, ip_mroute_setsockopt) DUMMY(-1, ip_mroute_setsockopt)
DUMMY(-1, ipv4_is_lbcast)
DUMMY(-1, ipv4_is_local_multicast) DUMMY(-1, ipv4_is_local_multicast)
DUMMY(-1, ipv4_is_zeronet)
DUMMY(-1, irqs_disabled) DUMMY(-1, irqs_disabled)
DUMMY(-1, is_a_nulls)
DUMMY(-1, is_multicast_ether_addr)
DUMMY(-1, is_valid_ether_addr)
DUMMY(-1, is_vlan_dev) DUMMY(-1, is_vlan_dev)
DUMMY(-1, kernel_sendmsg) DUMMY(-1, kernel_sendmsg)
DUMMY(-1, kmem_cache_destroy) DUMMY(-1, kmem_cache_destroy)
@ -329,8 +323,6 @@ DUMMY(-1, linkwatch_fire_event)
DUMMY(-1, linkwatch_forget_dev) DUMMY(-1, linkwatch_forget_dev)
DUMMY(-1, linkwatch_init_dev) DUMMY(-1, linkwatch_init_dev)
DUMMY(-1, linkwatch_run_queue) DUMMY(-1, linkwatch_run_queue)
DUMMY(-1, list_del_rcu)
DUMMY(-1, list_replace_rcu)
DUMMY(-1, local_softirq_pending) DUMMY(-1, local_softirq_pending)
DUMMY(-1, lockdep_rtnl_is_held) DUMMY(-1, lockdep_rtnl_is_held)
DUMMY(-1, min) DUMMY(-1, min)
@ -404,7 +396,6 @@ DUMMY(-1, request_module)
DUMMY(-1, round_jiffies) DUMMY(-1, round_jiffies)
DUMMY(-1, round_jiffies_relative) DUMMY(-1, round_jiffies_relative)
DUMMY(-1, round_jiffies_up) DUMMY(-1, round_jiffies_up)
DUMMY(-1, roundup_pow_of_two)
DUMMY(-1, rt_genid_bump) DUMMY(-1, rt_genid_bump)
DUMMY(-1, rtnetlink_init) DUMMY(-1, rtnetlink_init)
DUMMY(-1, __rtnl_unlock) DUMMY(-1, __rtnl_unlock)
@ -486,9 +477,6 @@ DUMMY(-1, tcp_peer_is_proven)
DUMMY(-1, tcp_remember_stamp) DUMMY(-1, tcp_remember_stamp)
DUMMY(-1, tcp_tw_remember_stamp) DUMMY(-1, tcp_tw_remember_stamp)
DUMMY(-1, tcp_update_metrics) DUMMY(-1, tcp_update_metrics)
DUMMY(-1, test_and_clear_bit)
DUMMY(-1, test_and_set_bit)
DUMMY(-1, test_bit)
DUMMY(-1, textsearch_find) DUMMY(-1, textsearch_find)
DUMMY(-1, __this_cpu_read) DUMMY(-1, __this_cpu_read)
DUMMY_SKIP(-1, trace_napi_poll) DUMMY_SKIP(-1, trace_napi_poll)
@ -517,7 +505,6 @@ DUMMY(-1, wake_up_interruptible_sync_poll)
DUMMY(-1, WARN_ONCE) DUMMY(-1, WARN_ONCE)
DUMMY(-1, write_seqcount_begin) DUMMY(-1, write_seqcount_begin)
DUMMY(-1, write_seqcount_end) DUMMY(-1, write_seqcount_end)
DUMMY(-1, xchg)
DUMMY(-1, xfrm4_policy_check_reverse) DUMMY(-1, xfrm4_policy_check_reverse)
DUMMY(-1, xfrm4_route_forward) DUMMY(-1, xfrm4_route_forward)
DUMMY(-1, xfrm4_udp_encap_rcv) DUMMY(-1, xfrm4_udp_encap_rcv)
@ -546,8 +533,6 @@ DUMMY_STOP(0, copy_from_iter_nocache)
DUMMY(0, csum_ipv6_magic) DUMMY(0, csum_ipv6_magic)
DUMMY(0, csum_replace4) DUMMY(0, csum_replace4)
DUMMY(0, file_ns_capable) DUMMY(0, file_ns_capable)
DUMMY(0, find_first_bit)
DUMMY(0, find_next_bit)
DUMMY(0, flow_keys_buf_dissector) DUMMY(0, flow_keys_buf_dissector)
DUMMY(0, fnhe_genid) DUMMY(0, fnhe_genid)
DUMMY(0, gfpflags_allow_blocking) DUMMY(0, gfpflags_allow_blocking)

2
repos/dde_linux/src/lib/lxip/include/lx_emul.h
View File

@ -80,7 +80,7 @@ typedef __u32 __wsum;
#include <lx_emul/bitops.h> #include <lx_emul/bitops.h>
#define ffz(x) ffs(~(x)) #define ffz(x) __ffs(~(x))
/******************************* /*******************************
** asm-generic/bitops/find.h ** ** asm-generic/bitops/find.h **