* Re: [PATCH] futex: Change 'utime' parameter to be 'const ... *' [not found] <20201128123945.4592-1-alx.manpages@gmail.com> @ 2020-12-10 17:36 ` Alejandro Colomar (man-pages) 2021-01-17 16:32 ` Ping: " Alejandro Colomar (man-pages) 0 siblings, 1 reply; 2+ messages in thread From: Alejandro Colomar (man-pages) @ 2020-12-10 17:36 UTC (permalink / raw) To: Thomas Gleixner, Ingo Molnar Cc: Peter Zijlstra, Darren Hart, linux-kernel, linux-man, linux-api Hi Thomas & Ingo, I tested the changes. Everything's OK. Cheers, Alex $ uname -a Linux debian 5.10.0-rc7+alx3+ #4 SMP Thu Dec 10 18:05:03 CET 2020 x86_64 GNU/Linux .../linux/tools/testing/selftests/futex$ sudo ./run.sh [sudo] password for user: TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=0 owner=0 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=0 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=1 owner=0 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=1 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=0 owner=1 timeout=0ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=1 owner=0 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=1 owner=0 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=0 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=0 owner=0 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=0 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=0 owner=0 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=1 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=5000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=0 owner=1 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=500000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=1 locked=1 owner=0 timeout=2000000000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi: Test requeue functionality # Arguments: broadcast=0 locked=1 owner=0 timeout=2000000000ns ok 1 futex-requeue-pi # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi_mismatched_ops: Detect mismatched requeue_pi operations ok 1 futex-requeue-pi-mismatched-ops # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_requeue_pi_signal_restart: Test signal handling during requeue_pi # Arguments: <none> ok 1 futex-requeue-pi-signal-restart # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_wait_timeout: Block on a futex and wait for timeout # Arguments: timeout=100000ns ok 1 futex-wait-timeout # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_wait_wouldblock: Test the unexpected futex value in FUTEX_WAIT ok 1 futex-wait-wouldblock # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_wait_uninitialized_heap: Test the uninitialized futex value in FUTEX_WAIT ok 1 futex-wait-uninitialized-heap # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 TAP version 13 1..1 # futex_wait_private_mapped_file: Test the futex value of private file mappings in FUTEX_WAIT ok 1 futex-wait-private-mapped-file # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 On 11/28/20 1:39 PM, Alejandro Colomar wrote: > futex(2) says that 'utime' is a pointer to 'const'. > The implementation doesn't use 'const'; > however, it _never_ modifies the contents of utime. > > - futex() either uses 'utime' as a pointer to struct or as a 'u32'. > > - In case it's used as a 'u32', it makes a copy of it, > and of course it is not dereferenced. > > - In case it's used as a 'struct __kernel_timespec __user *', > the pointer is not dereferenced inside the futex() definition, > and it is only passed to a function: get_timespec64(), > which accepts a 'const struct __kernel_timespec __user *'. > > context: > ........ > > [[ > FUTEX(2) Linux Programmer's Manual FUTEX(2) > > NAME > futex - fast user-space locking > > SYNOPSIS > #include <linux/futex.h> > #include <stdint.h> > #include <sys/time.h> > > long futex(uint32_t *uaddr, int futex_op, uint32_t val, > const struct timespec *timeout, /* or: uint32_t val2 */ > uint32_t *uaddr2, uint32_t val3); > > Note: There is no glibc wrapper for this system call; see > NOTES. > ]] > > $ sed -n '/SYSCALL_DEFINE.(futex\>/,/^}/p' linux/kernel/futex.c > SYSCALL_DEFINE6(futex, u32 __user *, uaddr, int, op, u32, val, > struct __kernel_timespec __user *, utime, u32 __user *, uaddr2, > u32, val3) > { > struct timespec64 ts; > ktime_t t, *tp = NULL; > u32 val2 = 0; > int cmd = op & FUTEX_CMD_MASK; > > if (utime && (cmd == FUTEX_WAIT || cmd == FUTEX_LOCK_PI || > cmd == FUTEX_WAIT_BITSET || > cmd == FUTEX_WAIT_REQUEUE_PI)) { > if (unlikely(should_fail_futex(!(op & FUTEX_PRIVATE_FLAG)))) > return -EFAULT; > if (get_timespec64(&ts, utime)) > return -EFAULT; > if (!timespec64_valid(&ts)) > return -EINVAL; > > t = timespec64_to_ktime(ts); > if (cmd == FUTEX_WAIT) > t = ktime_add_safe(ktime_get(), t); > else if (!(op & FUTEX_CLOCK_REALTIME)) > t = timens_ktime_to_host(CLOCK_MONOTONIC, t); > tp = &t; > } > /* > * requeue parameter in 'utime' if cmd == FUTEX_*_REQUEUE_*. > * number of waiters to wake in 'utime' if cmd == FUTEX_WAKE_OP. > */ > if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE || > cmd == FUTEX_CMP_REQUEUE_PI || cmd == FUTEX_WAKE_OP) > val2 = (u32) (unsigned long) utime; > > return do_futex(uaddr, op, val, tp, uaddr2, val2, val3); > } > > $ sed -n '/get_timespec64(/,/;/p' linux/include/linux/time.h > int get_timespec64(struct timespec64 *ts, > const struct __kernel_timespec __user *uts); > > ... > > Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com> > --- > > Hello Thomas & Ingo, > > I'm sorry I couldn't test the change in my computers, > as there is a bug since Linux 5.7 where I can't boot > (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=974166). > > Alex > > kernel/futex.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/futex.c b/kernel/futex.c > index 00259c7e288e..28577c7d2805 100644 > --- a/kernel/futex.c > +++ b/kernel/futex.c > @@ -3792,8 +3792,8 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, > > > SYSCALL_DEFINE6(futex, u32 __user *, uaddr, int, op, u32, val, > - struct __kernel_timespec __user *, utime, u32 __user *, uaddr2, > - u32, val3) > + const struct __kernel_timespec __user *, utime, > + u32 __user *, uaddr2, u32, val3) > { > struct timespec64 ts; > ktime_t t, *tp = NULL; > -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es ^ permalink raw reply [flat|nested] 2+ messages in thread
* Ping: [PATCH] futex: Change 'utime' parameter to be 'const ... *' 2020-12-10 17:36 ` [PATCH] futex: Change 'utime' parameter to be 'const ... *' Alejandro Colomar (man-pages) @ 2021-01-17 16:32 ` Alejandro Colomar (man-pages) 0 siblings, 0 replies; 2+ messages in thread From: Alejandro Colomar (man-pages) @ 2021-01-17 16:32 UTC (permalink / raw) To: Thomas Gleixner, Ingo Molnar Cc: Peter Zijlstra, Darren Hart, linux-kernel, linux-man, linux-api Ping! On 12/10/20 6:36 PM, Alejandro Colomar (man-pages) wrote: > Hi Thomas & Ingo, > > I tested the changes. Everything's OK. > > Cheers, > > Alex > > $ uname -a > Linux debian 5.10.0-rc7+alx3+ #4 SMP Thu Dec 10 18:05:03 CET 2020 x86_64 > GNU/Linux > > .../linux/tools/testing/selftests/futex$ sudo ./run.sh > [sudo] password for user: > > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=0 owner=0 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=0 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=1 owner=0 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=1 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=0 owner=1 timeout=0ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=1 owner=0 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=1 owner=0 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=0 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=0 owner=0 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=0 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=0 owner=0 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=1 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=5000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=0 owner=1 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=500000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=1 locked=1 owner=0 timeout=2000000000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_requeue_pi: Test requeue functionality > # Arguments: broadcast=0 locked=1 owner=0 timeout=2000000000ns > ok 1 futex-requeue-pi > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > TAP version 13 > 1..1 > # futex_requeue_pi_mismatched_ops: Detect mismatched requeue_pi operations > ok 1 futex-requeue-pi-mismatched-ops > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > TAP version 13 > 1..1 > # futex_requeue_pi_signal_restart: Test signal handling during requeue_pi > # Arguments: <none> > ok 1 futex-requeue-pi-signal-restart > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > TAP version 13 > 1..1 > # futex_wait_timeout: Block on a futex and wait for timeout > # Arguments: timeout=100000ns > ok 1 futex-wait-timeout > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > TAP version 13 > 1..1 > # futex_wait_wouldblock: Test the unexpected futex value in FUTEX_WAIT > ok 1 futex-wait-wouldblock > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > TAP version 13 > 1..1 > # futex_wait_uninitialized_heap: Test the uninitialized futex value in > FUTEX_WAIT > ok 1 futex-wait-uninitialized-heap > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > TAP version 13 > 1..1 > # futex_wait_private_mapped_file: Test the futex value of private file > mappings in FUTEX_WAIT > ok 1 futex-wait-private-mapped-file > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > > On 11/28/20 1:39 PM, Alejandro Colomar wrote: >> futex(2) says that 'utime' is a pointer to 'const'. >> The implementation doesn't use 'const'; >> however, it _never_ modifies the contents of utime. >> >> - futex() either uses 'utime' as a pointer to struct or as a 'u32'. >> >> - In case it's used as a 'u32', it makes a copy of it, >> and of course it is not dereferenced. >> >> - In case it's used as a 'struct __kernel_timespec __user *', >> the pointer is not dereferenced inside the futex() definition, >> and it is only passed to a function: get_timespec64(), >> which accepts a 'const struct __kernel_timespec __user *'. >> >> context: >> ........ >> >> [[ >> FUTEX(2) Linux Programmer's Manual FUTEX(2) >> >> NAME >> futex - fast user-space locking >> >> SYNOPSIS >> #include <linux/futex.h> >> #include <stdint.h> >> #include <sys/time.h> >> >> long futex(uint32_t *uaddr, int futex_op, uint32_t val, >> const struct timespec *timeout, /* or: uint32_t val2 */ >> uint32_t *uaddr2, uint32_t val3); >> >> Note: There is no glibc wrapper for this system call; see >> NOTES. >> ]] >> >> $ sed -n '/SYSCALL_DEFINE.(futex\>/,/^}/p' linux/kernel/futex.c >> SYSCALL_DEFINE6(futex, u32 __user *, uaddr, int, op, u32, val, >> struct __kernel_timespec __user *, utime, u32 __user *, uaddr2, >> u32, val3) >> { >> struct timespec64 ts; >> ktime_t t, *tp = NULL; >> u32 val2 = 0; >> int cmd = op & FUTEX_CMD_MASK; >> >> if (utime && (cmd == FUTEX_WAIT || cmd == FUTEX_LOCK_PI || >> cmd == FUTEX_WAIT_BITSET || >> cmd == FUTEX_WAIT_REQUEUE_PI)) { >> if (unlikely(should_fail_futex(!(op & FUTEX_PRIVATE_FLAG)))) >> return -EFAULT; >> if (get_timespec64(&ts, utime)) >> return -EFAULT; >> if (!timespec64_valid(&ts)) >> return -EINVAL; >> >> t = timespec64_to_ktime(ts); >> if (cmd == FUTEX_WAIT) >> t = ktime_add_safe(ktime_get(), t); >> else if (!(op & FUTEX_CLOCK_REALTIME)) >> t = timens_ktime_to_host(CLOCK_MONOTONIC, t); >> tp = &t; >> } >> /* >> * requeue parameter in 'utime' if cmd == FUTEX_*_REQUEUE_*. >> * number of waiters to wake in 'utime' if cmd == FUTEX_WAKE_OP. >> */ >> if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE || >> cmd == FUTEX_CMP_REQUEUE_PI || cmd == FUTEX_WAKE_OP) >> val2 = (u32) (unsigned long) utime; >> >> return do_futex(uaddr, op, val, tp, uaddr2, val2, val3); >> } >> >> $ sed -n '/get_timespec64(/,/;/p' linux/include/linux/time.h >> int get_timespec64(struct timespec64 *ts, >> const struct __kernel_timespec __user *uts); >> >> ... >> >> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com> >> --- >> >> Hello Thomas & Ingo, >> >> I'm sorry I couldn't test the change in my computers, >> as there is a bug since Linux 5.7 where I can't boot >> (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=974166). >> >> Alex >> >> kernel/futex.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/kernel/futex.c b/kernel/futex.c >> index 00259c7e288e..28577c7d2805 100644 >> --- a/kernel/futex.c >> +++ b/kernel/futex.c >> @@ -3792,8 +3792,8 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, >> >> >> SYSCALL_DEFINE6(futex, u32 __user *, uaddr, int, op, u32, val, >> - struct __kernel_timespec __user *, utime, u32 __user *, uaddr2, >> - u32, val3) >> + const struct __kernel_timespec __user *, utime, >> + u32 __user *, uaddr2, u32, val3) >> { >> struct timespec64 ts; >> ktime_t t, *tp = NULL; >> > ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <20201128123945.4592-1-alx.manpages@gmail.com>
2020-12-10 17:36 ` [PATCH] futex: Change 'utime' parameter to be 'const ... *' Alejandro Colomar (man-pages)
2021-01-17 16:32 ` Ping: " Alejandro Colomar (man-pages)
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