#ifndef __ASM_GENERIC_DELAY_H #define __ASM_GENERIC_DELAY_H /* Undefined functions to get compile-time errors */ extern void __bad_udelay(void); extern void __bad_ndelay(void); extern void __udelay(unsigned long usecs); extern void __ndelay(unsigned long nsecs); extern void __const_udelay(unsigned long xloops); extern void __delay(unsigned long loops); /* * The weird n/20000 thing suppresses a "comparison is always false due to * limited range of data type" warning with non-const 8-bit arguments. */ /* 0x10c7 is 2**32 / 1000000 (rounded up) */ #define udelay(n) \ ({ \ if (__builtin_constant_p(n)) { \ if ((n) / 20000 >= 1) \ __bad_udelay(); \ else \ __const_udelay((n) * 0x10c7ul); \ } else { \ __udelay(n); \ } \ }) /* 0x5 is 2**32 / 1000000000 (rounded up) */ #define ndelay(n) \ ({ \ if (__builtin_constant_p(n)) { \ if ((n) / 20000 >= 1) \ __bad_ndelay(); \ else \ __const_udelay((n) * 5ul); \ } else { \ __ndelay(n); \ } \ }) #endif /* __ASM_GENERIC_DELAY_H */ maclite-cleanup'>emaclite-cleanup net-next plumbingsTobias Klauser
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authorJens Axboe <axboe@fb.com>2017-01-27 11:56:06 -0700
committerJens Axboe <axboe@fb.com>2017-01-27 11:56:06 -0700
commitc14024dbb156c8392908aaa822097d27c6af8ec8 (patch)
tree02f6ffa664b16bd76750c05f62708a518de2acdc /net/xfrm/xfrm_user.c
parent08965c2eba135bdfb6e86cf25308e01421c7e0ce (diff)
parent3b4f18843e511193e7eb616710e838f5852e661d (diff)
Merge branch 'stable/for-jens-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus
Konrad writes: Please pull in your 'for-linus' branch two little fixes for Xen block front: One fix is for handling the XEN_PAGE_SIZE != PAGE_SIZE (4KB vs 64KB on ARM for example) mishandling while the other is fixing the accounting for the configuration changes.
Diffstat (limited to 'net/xfrm/xfrm_user.c')