#include #include #include #include /* * For a description of the algorithm please have a look at * include/linux/reciprocal_div.h */ struct reciprocal_value reciprocal_value(u32 d) { struct reciprocal_value R; u64 m; int l; l = fls(d - 1); m = ((1ULL << 32) * ((1ULL << l) - d)); do_div(m, d); ++m; R.m = (u32)m; R.sh1 = min(l, 1); R.sh2 = max(l - 1, 0); return R; } EXPORT_SYMBOL(reciprocal_value); 'git://git.distanz.ch/linux/net-next.git' title='net-next.git Git repository'/>
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:16:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:16:23 -0800
commit396bf4cd835e62d70fad4a03a8963e61f19021f2 (patch)
tree79ac8f33554260fea1a8d43e6f8c4c5460115f45 /tools/lib/traceevent/event-parse.c
parentd5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff)
parent7c2cf1c4615cc2f576d0604406cdf0065f00b83b (diff)
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: - use-after-free in algif_aead - modular aesni regression when pcbc is modular but absent - bug causing IO page faults in ccp - double list add in ccp - NULL pointer dereference in qat (two patches) - panic in chcr - NULL pointer dereference in chcr - out-of-bound access in chcr * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: chcr - Fix key length for RFC4106 crypto: algif_aead - Fix kernel panic on list_del crypto: aesni - Fix failure when pcbc module is absent crypto: ccp - Fix double add when creating new DMA command crypto: ccp - Fix DMA operations when IOMMU is enabled crypto: chcr - Check device is allocated before use crypto: chcr - Fix panic on dma_unmap_sg crypto: qat - zero esram only for DH85x devices crypto: qat - fix bar discovery for c62x
Diffstat (limited to 'tools/lib/traceevent/event-parse.c')