cregit-Linux how code gets into the kernel

Release 4.15 kernel/compat.c

Directory: kernel
/*
 *  linux/kernel/compat.c
 *
 *  Kernel compatibililty routines for e.g. 32 bit syscall support
 *  on 64 bit kernels.
 *
 *  Copyright (C) 2002-2003 Stephen Rothwell, IBM Corporation
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#include <linux/linkage.h>
#include <linux/compat.h>
#include <linux/errno.h>
#include <linux/time.h>
#include <linux/signal.h>
#include <linux/sched.h>	/* for MAX_SCHEDULE_TIMEOUT */
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/security.h>
#include <linux/timex.h>
#include <linux/export.h>
#include <linux/migrate.h>
#include <linux/posix-timers.h>
#include <linux/times.h>
#include <linux/ptrace.h>
#include <linux/gfp.h>

#include <linux/uaccess.h>


int compat_get_timex(struct timex *txc, const struct compat_timex __user *utp) { struct compat_timex tx32; if (copy_from_user(&tx32, utp, sizeof(struct compat_timex))) return -EFAULT; txc->modes = tx32.modes; txc->offset = tx32.offset; txc->freq = tx32.freq; txc->maxerror = tx32.maxerror; txc->esterror = tx32.esterror; txc->status = tx32.status; txc->constant = tx32.constant; txc->precision = tx32.precision; txc->tolerance = tx32.tolerance; txc->time.tv_sec = tx32.time.tv_sec; txc->time.tv_usec = tx32.time.tv_usec; txc->tick = tx32.tick; txc->ppsfreq = tx32.ppsfreq; txc->jitter = tx32.jitter; txc->shift = tx32.shift; txc->stabil = tx32.stabil; txc->jitcnt = tx32.jitcnt; txc->calcnt = tx32.calcnt; txc->errcnt = tx32.errcnt; txc->stbcnt = tx32.stbcnt; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran9645.28%125.00%
Al Viro9343.87%125.00%
Christoph Hellwig188.49%125.00%
Stephen Rothwell52.36%125.00%
Total212100.00%4100.00%


int compat_put_timex(struct compat_timex __user *utp, const struct timex *txc) { struct compat_timex tx32; memset(&tx32, 0, sizeof(struct compat_timex)); tx32.modes = txc->modes; tx32.offset = txc->offset; tx32.freq = txc->freq; tx32.maxerror = txc->maxerror; tx32.esterror = txc->esterror; tx32.status = txc->status; tx32.constant = txc->constant; tx32.precision = txc->precision; tx32.tolerance = txc->tolerance; tx32.time.tv_sec = txc->time.tv_sec; tx32.time.tv_usec = txc->time.tv_usec; tx32.tick = txc->tick; tx32.ppsfreq = txc->ppsfreq; tx32.jitter = txc->jitter; tx32.shift = txc->shift; tx32.stabil = txc->stabil; tx32.jitcnt = txc->jitcnt; tx32.calcnt = txc->calcnt; tx32.errcnt = txc->errcnt; tx32.stbcnt = txc->stbcnt; tx32.tai = txc->tai; if (copy_to_user(utp, &tx32, sizeof(struct compat_timex))) return -EFAULT; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro12854.70%116.67%
Richard Cochran7029.91%116.67%
Stephen Rothwell3113.25%233.33%
Oleg Nesterov31.28%116.67%
Thomas Gleixner20.85%116.67%
Total234100.00%6100.00%


static int __compat_get_timeval(struct timeval *tv, const struct compat_timeval __user *ctv) { return (!access_ok(VERIFY_READ, ctv, sizeof(*ctv)) || __get_user(tv->tv_sec, &ctv->tv_sec) || __get_user(tv->tv_usec, &ctv->tv_usec)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin64100.00%2100.00%
Total64100.00%2100.00%


static int __compat_put_timeval(const struct timeval *tv, struct compat_timeval __user *ctv) { return (!access_ok(VERIFY_WRITE, ctv, sizeof(*ctv)) || __put_user(tv->tv_sec, &ctv->tv_sec) || __put_user(tv->tv_usec, &ctv->tv_usec)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin64100.00%2100.00%
Total64100.00%2100.00%


static int __compat_get_timespec(struct timespec *ts, const struct compat_timespec __user *cts) { return (!access_ok(VERIFY_READ, cts, sizeof(*cts)) || __get_user(ts->tv_sec, &cts->tv_sec) || __get_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran5281.25%133.33%
Frank Mayhar1015.62%133.33%
H. Peter Anvin23.12%133.33%
Total64100.00%3100.00%


static int __compat_put_timespec(const struct timespec *ts, struct compat_timespec __user *cts) { return (!access_ok(VERIFY_WRITE, cts, sizeof(*cts)) || __put_user(ts->tv_sec, &cts->tv_sec) || __put_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran4265.62%116.67%
Stephen Rothwell1320.31%116.67%
Martin Schwidefsky57.81%116.67%
H. Peter Anvin23.12%116.67%
Al Viro11.56%116.67%
Roland McGrath11.56%116.67%
Total64100.00%6100.00%


static int __compat_get_timespec64(struct timespec64 *ts64, const struct compat_timespec __user *cts) { struct compat_timespec ts; int ret; ret = copy_from_user(&ts, cts, sizeof(ts)); if (ret) return -EFAULT; ts64->tv_sec = ts.tv_sec; ts64->tv_nsec = ts.tv_nsec; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani67100.00%1100.00%
Total67100.00%1100.00%


static int __compat_put_timespec64(const struct timespec64 *ts64, struct compat_timespec __user *cts) { struct compat_timespec ts = { .tv_sec = ts64->tv_sec, .tv_nsec = ts64->tv_nsec }; return copy_to_user(cts, &ts, sizeof(ts)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani57100.00%1100.00%
Total57100.00%1100.00%


int compat_get_timespec64(struct timespec64 *ts, const void __user *uts) { if (COMPAT_USE_64BIT_TIME) return copy_from_user(ts, uts, sizeof(*ts)) ? -EFAULT : 0; else return __compat_get_timespec64(ts, uts); }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani48100.00%1100.00%
Total48100.00%1100.00%

EXPORT_SYMBOL_GPL(compat_get_timespec64);
int compat_put_timespec64(const struct timespec64 *ts, void __user *uts) { if (COMPAT_USE_64BIT_TIME) return copy_to_user(uts, ts, sizeof(*ts)) ? -EFAULT : 0; else return __compat_put_timespec64(ts, uts); }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani48100.00%1100.00%
Total48100.00%1100.00%

EXPORT_SYMBOL_GPL(compat_put_timespec64);
int compat_get_timeval(struct timeval *tv, const void __user *utv) { if (COMPAT_USE_64BIT_TIME) return copy_from_user(tv, utv, sizeof(*tv)) ? -EFAULT : 0; else return __compat_get_timeval(tv, utv); }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin4593.75%266.67%
Fabian Frederick36.25%133.33%
Total48100.00%3100.00%

EXPORT_SYMBOL_GPL(compat_get_timeval);
int compat_put_timeval(const struct timeval *tv, void __user *utv) { if (COMPAT_USE_64BIT_TIME) return copy_to_user(utv, tv, sizeof(*tv)) ? -EFAULT : 0; else return __compat_put_timeval(tv, utv); }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin4593.75%266.67%
Fabian Frederick36.25%133.33%
Total48100.00%3100.00%

EXPORT_SYMBOL_GPL(compat_put_timeval);
int compat_get_timespec(struct timespec *ts, const void __user *uts) { if (COMPAT_USE_64BIT_TIME) return copy_from_user(ts, uts, sizeof(*ts)) ? -EFAULT : 0; else return __compat_get_timespec(ts, uts); }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin4593.75%266.67%
Fabian Frederick36.25%133.33%
Total48100.00%3100.00%

EXPORT_SYMBOL_GPL(compat_get_timespec);
int compat_put_timespec(const struct timespec *ts, void __user *uts) { if (COMPAT_USE_64BIT_TIME) return copy_to_user(uts, ts, sizeof(*ts)) ? -EFAULT : 0; else return __compat_put_timespec(ts, uts); }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin4593.75%266.67%
Fabian Frederick36.25%133.33%
Total48100.00%3100.00%

EXPORT_SYMBOL_GPL(compat_put_timespec);
int get_compat_itimerval(struct itimerval *o, const struct compat_itimerval __user *i) { struct compat_itimerval v32; if (copy_from_user(&v32, i, sizeof(struct compat_itimerval))) return -EFAULT; o->it_interval.tv_sec = v32.it_interval.tv_sec; o->it_interval.tv_usec = v32.it_interval.tv_usec; o->it_value.tv_sec = v32.it_value.tv_sec; o->it_value.tv_usec = v32.it_value.tv_usec; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro3740.22%250.00%
Richard Cochran3538.04%125.00%
Randolph Chung2021.74%125.00%
Total92100.00%4100.00%


int put_compat_itimerval(struct compat_itimerval __user *o, const struct itimerval *i) { struct compat_itimerval v32; v32.it_interval.tv_sec = i->it_interval.tv_sec; v32.it_interval.tv_usec = i->it_interval.tv_usec; v32.it_value.tv_sec = i->it_value.tv_sec; v32.it_value.tv_usec = i->it_value.tv_usec; return copy_to_user(o, &v32, sizeof(struct compat_itimerval)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran4146.07%120.00%
Al Viro3235.96%240.00%
Randolph Chung1516.85%120.00%
Nico Pitre11.12%120.00%
Total89100.00%5100.00%

#ifdef __ARCH_WANT_SYS_SIGPROCMASK /* * sys_sigprocmask SIG_SETMASK sets the first (compat) word of the * blocked set of signals to the supplied signal set */
static inline void compat_sig_setmask(sigset_t *blocked, compat_sigset_word set) { memcpy(blocked->sig, &set, sizeof(set)); }

Contributors

PersonTokensPropCommitsCommitProp
Jan Kiszka29100.00%1100.00%
Total29100.00%1100.00%

COMPAT_SYSCALL_DEFINE3(sigprocmask, int, how, compat_old_sigset_t __user *, nset, compat_old_sigset_t __user *, oset) { old_sigset_t old_set, new_set; sigset_t new_blocked; old_set = current->blocked.sig[0]; if (nset) { if (get_user(new_set, nset)) return -EFAULT; new_set &= ~(sigmask(SIGKILL) | sigmask(SIGSTOP)); new_blocked = current->blocked; switch (how) { case SIG_BLOCK: sigaddsetmask(&new_blocked, new_set); break; case SIG_UNBLOCK: sigdelsetmask(&new_blocked, new_set); break; case SIG_SETMASK: compat_sig_setmask(&new_blocked, new_set); break; default: return -EINVAL; } set_current_blocked(&new_blocked); } if (oset) { if (put_user(old_set, oset)) return -EFAULT; } return 0; } #endif
int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru) { struct compat_rusage r32; memset(&r32, 0, sizeof(r32)); r32.ru_utime.tv_sec = r->ru_utime.tv_sec; r32.ru_utime.tv_usec = r->ru_utime.tv_usec; r32.ru_stime.tv_sec = r->ru_stime.tv_sec; r32.ru_stime.tv_usec = r->ru_stime.tv_usec; r32.ru_maxrss = r->ru_maxrss; r32.ru_ixrss = r->ru_ixrss; r32.ru_idrss = r->ru_idrss; r32.ru_isrss = r->ru_isrss; r32.ru_minflt = r->ru_minflt; r32.ru_majflt = r->ru_majflt; r32.ru_nswap = r->ru_nswap; r32.ru_inblock = r->ru_inblock; r32.ru_oublock = r->ru_oublock; r32.ru_msgsnd = r->ru_msgsnd; r32.ru_msgrcv = r->ru_msgrcv; r32.ru_nsignals = r->ru_nsignals; r32.ru_nvcsw = r->ru_nvcsw; r32.ru_nivcsw = r->ru_nivcsw; if (copy_to_user(ru, &r32, sizeof(r32))) return -EFAULT; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro9945.83%116.67%
Richard Cochran9644.44%116.67%
Andi Kleen125.56%116.67%
Anton Blanchard73.24%233.33%
Randolph Chung20.93%116.67%
Total216100.00%6100.00%


static int compat_get_user_cpu_mask(compat_ulong_t __user *user_mask_ptr, unsigned len, struct cpumask *new_mask) { unsigned long *k; if (len < cpumask_size()) memset(new_mask, 0, cpumask_size()); else if (len > cpumask_size()) len = cpumask_size(); k = cpumask_bits(new_mask); return compat_get_bitmap(k, user_mask_ptr, len * 8); }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran4764.38%125.00%
Andi Kleen2230.14%125.00%
Jakub Jelínek34.11%125.00%
David S. Miller11.37%125.00%
Total73100.00%4100.00%

COMPAT_SYSCALL_DEFINE3(sched_setaffinity, compat_pid_t, pid, unsigned int, len, compat_ulong_t __user *, user_mask_ptr) { cpumask_var_t new_mask; int retval; if (!alloc_cpumask_var(&new_mask, GFP_KERNEL)) return -ENOMEM; retval = compat_get_user_cpu_mask(user_mask_ptr, len, new_mask); if (retval) goto out; retval = sched_setaffinity(pid, new_mask); out: free_cpumask_var(new_mask); return retval; } COMPAT_SYSCALL_DEFINE3(sched_getaffinity, compat_pid_t, pid, unsigned int, len, compat_ulong_t __user *, user_mask_ptr) { int ret; cpumask_var_t mask; if ((len * BITS_PER_BYTE) < nr_cpu_ids) return -EINVAL; if (len & (sizeof(compat_ulong_t)-1)) return -EINVAL; if (!alloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM; ret = sched_getaffinity(pid, mask); if (ret == 0) { size_t retlen = min_t(size_t, len, cpumask_size()); if (compat_put_bitmap(user_mask_ptr, cpumask_bits(mask), retlen * 8)) ret = -EFAULT; else ret = retlen; } free_cpumask_var(mask); return ret; }
int get_compat_itimerspec64(struct itimerspec64 *its, const struct compat_itimerspec __user *uits) { if (__compat_get_timespec64(&its->it_interval, &uits->it_interval) || __compat_get_timespec64(&its->it_value, &uits->it_value)) return -EFAULT; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani52100.00%1100.00%
Total52100.00%1100.00%

EXPORT_SYMBOL_GPL(get_compat_itimerspec64);
int put_compat_itimerspec64(const struct itimerspec64 *its, struct compat_itimerspec __user *uits) { if (__compat_put_timespec64(&its->it_interval, &uits->it_interval) || __compat_put_timespec64(&its->it_value, &uits->it_value)) return -EFAULT; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Deepa Dinamani52100.00%1100.00%
Total52100.00%1100.00%

EXPORT_SYMBOL_GPL(put_compat_itimerspec64); /* * We currently only need the following fields from the sigevent * structure: sigev_value, sigev_signo, sig_notify and (sometimes * sigev_notify_thread_id). The others are handled in user mode. * We also assume that copying sigev_value.sival_int is sufficient * to keep all the bits of sigev_value.sival_ptr intact. */
int get_compat_sigevent(struct sigevent *event, const struct compat_sigevent __user *u_event) { memset(event, 0, sizeof(*event)); return (!access_ok(VERIFY_READ, u_event, sizeof(*u_event)) || __get_user(event->sigev_value.sival_int, &u_event->sigev_value.sival_int) || __get_user(event->sigev_signo, &u_event->sigev_signo) || __get_user(event->sigev_notify, &u_event->sigev_notify) || __get_user(event->sigev_notify_thread_id, &u_event->sigev_notify_thread_id)) ? -EFAULT : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran8480.77%150.00%
Martin Schwidefsky2019.23%150.00%
Total104100.00%2100.00%


long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, unsigned long bitmap_size) { unsigned long nr_compat_longs; /* align bitmap up to nearest compat_long_t boundary */ bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); if (!access_ok(VERIFY_READ, umask, bitmap_size / 8)) return -EFAULT; user_access_begin(); while (nr_compat_longs > 1) { compat_ulong_t l1, l2; unsafe_get_user(l1, umask++, Efault); unsafe_get_user(l2, umask++, Efault); *mask++ = ((unsigned long)l2 << BITS_PER_COMPAT_LONG) | l1; nr_compat_longs -= 2; } if (nr_compat_longs) unsafe_get_user(*mask, umask++, Efault); user_access_end(); return 0; Efault: user_access_end(); return -EFAULT; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro6444.14%133.33%
Richard Cochran5235.86%133.33%
David Woodhouse2920.00%133.33%
Total145100.00%3100.00%


long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, unsigned long bitmap_size) { unsigned long nr_compat_longs; /* align bitmap up to nearest compat_long_t boundary */ bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); if (!access_ok(VERIFY_WRITE, umask, bitmap_size / 8)) return -EFAULT; user_access_begin(); while (nr_compat_longs > 1) { unsigned long m = *mask++; unsafe_put_user((compat_ulong_t)m, umask++, Efault); unsafe_put_user(m >> BITS_PER_COMPAT_LONG, umask++, Efault); nr_compat_longs -= 2; } if (nr_compat_longs) unsafe_put_user((compat_ulong_t)*mask, umask++, Efault); user_access_end(); return 0; Efault: user_access_end(); return -EFAULT; }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro6244.60%125.00%
Richard Cochran5640.29%125.00%
Stephen Rothwell1913.67%125.00%
Helge Deller21.44%125.00%
Total139100.00%4100.00%


int get_compat_sigset(sigset_t *set, const compat_sigset_t __user *compat) { #ifdef __BIG_ENDIAN compat_sigset_t v; if (copy_from_user(&v, compat, sizeof(compat_sigset_t))) return -EFAULT; switch (_NSIG_WORDS) { case 4: set->sig[3] = v.sig[6] | (((long)v.sig[7]) << 32 ); case 3: set->sig[2] = v.sig[4] | (((long)v.sig[5]) << 32 ); case 2: set->sig[1] = v.sig[2] | (((long)v.sig[3]) << 32 ); case 1: set->sig[0] = v.sig[0] | (((long)v.sig[1]) << 32 ); } #else if (copy_from_user(set, compat, sizeof(compat_sigset_t))) return -EFAULT; #endif return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran13265.02%125.00%
Al Viro7034.48%250.00%
Stephen Rothwell10.49%125.00%
Total203100.00%4100.00%

EXPORT_SYMBOL_GPL(get_compat_sigset);
int put_compat_sigset(compat_sigset_t __user *compat, const sigset_t *set, unsigned int size) { /* size <= sizeof(compat_sigset_t) <= sizeof(sigset_t) */ #ifdef __BIG_ENDIAN compat_sigset_t v; switch (_NSIG_WORDS) { case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; case 1: v.sig[1] = (set->sig[0] >> 32); v.sig[0] = set->sig[0]; } return copy_to_user(compat, &v, size) ? -EFAULT : 0; #else return copy_to_user(compat, set, size) ? -EFAULT : 0; #endif }

Contributors

PersonTokensPropCommitsCommitProp
Al Viro13565.22%133.33%
Dmitry V. Levin6531.40%133.33%
Richard Cochran73.38%133.33%
Total207100.00%3100.00%

#ifdef CONFIG_NUMA COMPAT_SYSCALL_DEFINE6(move_pages, pid_t, pid, compat_ulong_t, nr_pages, compat_uptr_t __user *, pages32, const int __user *, nodes, int __user *, status, int, flags) { const void __user * __user *pages; int i; pages = compat_alloc_user_space(nr_pages * sizeof(void *)); for (i = 0; i < nr_pages; i++) { compat_uptr_t p; if (get_user(p, pages32 + i) || put_user(compat_ptr(p), pages + i)) return -EFAULT; } return sys_move_pages(pid, nr_pages, pages, nodes, status, flags); } COMPAT_SYSCALL_DEFINE4(migrate_pages, compat_pid_t, pid, compat_ulong_t, maxnode, const compat_ulong_t __user *, old_nodes, const compat_ulong_t __user *, new_nodes) { unsigned long __user *old = NULL; unsigned long __user *new = NULL; nodemask_t tmp_mask; unsigned long nr_bits; unsigned long size; nr_bits = min_t(unsigned long, maxnode - 1, MAX_NUMNODES); size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (old_nodes) { if (compat_get_bitmap(nodes_addr(tmp_mask), old_nodes, nr_bits)) return -EFAULT; old = compat_alloc_user_space(new_nodes ? size * 2 : size); if (new_nodes) new = old + size / sizeof(unsigned long); if (copy_to_user(old, nodes_addr(tmp_mask), size)) return -EFAULT; } if (new_nodes) { if (compat_get_bitmap(nodes_addr(tmp_mask), new_nodes, nr_bits)) return -EFAULT; if (new == NULL) new = compat_alloc_user_space(size); if (copy_to_user(new, nodes_addr(tmp_mask), size)) return -EFAULT; } return sys_migrate_pages(pid, nr_bits + 1, old, new); } #endif /* * Allocate user-space memory for the duration of a single system call, * in order to marshall parameters inside a compat thunk. */
void __user *compat_alloc_user_space(unsigned long len) { void __user *ptr; /* If len would occupy more than half of the entire compat space... */ if (unlikely(len > (((compat_uptr_t)~0) >> 1))) return NULL; ptr = arch_compat_alloc_user_space(len); if (unlikely(!access_ok(VERIFY_WRITE, ptr, len))) return NULL; return ptr; }

Contributors

PersonTokensPropCommitsCommitProp
H. Peter Anvin67100.00%1100.00%
Total67100.00%1100.00%

EXPORT_SYMBOL_GPL(compat_alloc_user_space);

Overall Contributors

PersonTokensPropCommitsCommitProp
Richard Cochran94527.90%11.89%
Al Viro73821.79%815.09%
H. Peter Anvin40511.96%35.66%
Deepa Dinamani34410.16%23.77%
Stephen Rothwell2868.44%713.21%
Jan Kiszka1243.66%11.89%
Christoph Lameter932.75%11.89%
Heiko Carstens802.36%23.77%
Andi Kleen671.98%11.89%
Randolph Chung651.92%11.89%
Dmitry V. Levin651.92%11.89%
David Woodhouse290.86%11.89%
Martin Schwidefsky280.83%23.77%
Toyo Abe240.71%11.89%
Christoph Hellwig180.53%11.89%
Frank Mayhar130.38%11.89%
Fabian Frederick120.35%11.89%
Anton Blanchard70.21%23.77%
Andrew Morton60.18%23.77%
Jakub Jelínek50.15%11.89%
Chris Metcalf50.15%11.89%
Alexander Graf40.12%11.89%
David S. Miller40.12%11.89%
Paul Mackerras30.09%11.89%
Tejun Heo30.09%11.89%
Oleg Nesterov30.09%11.89%
Paul Gortmaker30.09%11.89%
Thomas Gleixner20.06%11.89%
Helge Deller20.06%11.89%
Roland McGrath20.06%23.77%
Nico Pitre10.03%11.89%
Linus Torvalds10.03%11.89%
Total3387100.00%53100.00%
Directory: kernel
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