Please review and accept this patch, which allows 32 bit apps to send and
receive CAN. It is tested successfully with 32bit and 64bit compiles of
utils/can/rtcansend.c / and rtcanrecv.c. The compat interface is now
implemented, rtdm_get_iovec() is used and the get_sockaddr() methodology
from the xd
On 05.11.21 08:09, C Smith wrote:
> Please review and accept this patch, which allows 32 bit apps to send
> and receive CAN. It is tested successfully with 32bit and 64bit compiles
> of utils/can/rtcansend.c / and rtcanrecv.c. The compat interface is now
> implemented, rtdm_get_iovec() is used and
On Fri, 2021-11-05 at 09:14 +0100, Jan Kiszka wrote:
> On 05.11.21 08:09, C Smith wrote:
> > Please review and accept this patch, which allows 32 bit apps to send
> > and receive CAN. It is tested successfully with 32bit and 64bit compiles
> > of utils/can/rtcansend.c / and rtcanrecv.c. The compat
Hello support team!
I am writing to you because i have a problem with
the Xenomai library and my patched kernel.
I patched and compiled the Linux 5.4.151 kernel using
IPIPE and i built the Xenomai 3.1.1 library.
Running the installed kernel and trying to use the library
launching: "sudo //bin/l
On 05.11.21 13:48, Lorenzo Battini via Xenomai wrote:
> Hello support team!
>
> I am writing to you because i have a problem with
> the Xenomai library and my patched kernel.
>
> I patched and compiled the Linux 5.4.151 kernel using
> IPIPE and i built the Xenomai 3.1.1 library.
>
> Running the
Hi Philippe,
in this code
(arch/x86/kernel/apic/vector.c)
#ifdef CONFIG_SMP
static struct irq_desc *__setup_vector_irq(int vector)
{
int isairq = vector - ISA_IRQ_VECTOR(0);
/* Copy the cleanup vector if irqs are pipelined. */
if (IS_ENABLED(CONFIG_SMP) &&
dm_setsockopt_args setopt_buf;
> > >
> > > @@ -532,7 +559,7 @@ ssize_t rtcan_raw_recvmsg(struct rtdm_fd *fd,
> > > struct rtcan_socket *sock = rtdm_fd_to_private(fd);
> > > struct sockaddr_can scan;
> > > nanosecs_rel_t timeout;
> > > -struct iovec *iov = (struct iovec *)msg->msg_iov;
> > > + struct iovec iov_fast[RTDM_IOV_FASTMAX], *iov;
> > > struct iovec iov_buf;
> > > can_frame_t frame;
> > > nanosecs_abs_t timestamp = 0;
> > > @@ -584,6 +611,10 @@ ssize_t rtcan_raw_recvmsg(struct rtdm_fd *fd,
> > > iov = &iov_buf;
> > > }
> > >
> > > + ret = rtdm_get_iovec(fd, &iov, msg, iov_fast);
> > > + if (ret)
> > > + return ret;
> > > +
> > > /* Check size of buffer */
> > > if (iov->iov_len < sizeof(can_frame_t))
> > > return -EMSGSIZE;
> > > @@ -768,7 +799,7 @@ ssize_t rtcan_raw_sendmsg(struct rtdm_fd *fd,
> > > struct rtcan_socket *sock = rtdm_fd_to_private(fd);
> > > struct sockaddr_can *scan = (struct sockaddr_can *)msg->msg_name;
> > > struct sockaddr_can scan_buf;
> > > -struct iovec *iov = (struct iovec *)msg->msg_iov;
> > > + struct iovec iov_fast[RTDM_IOV_FASTMAX], *iov;
> > > struct iovec iov_buf;
> > > can_frame_t *frame;
> > > can_frame_t frame_buf;
> > > @@ -841,8 +872,12 @@ ssize_t rtcan_raw_sendmsg(struct rtdm_fd *fd,
> > > iov = &iov_buf;
> > > }
> > >
> > > + ret = rtdm_get_iovec(fd, &iov, msg, iov_fast);
> > > + if (ret)
> > > + return ret;
> > > +
> > > /* Check size of buffer */
> > > -if (iov->iov_len != sizeof(can_frame_t))
> > > +if (iov->iov_len != sizeof(can_frame_t))
> > > return -EMSGSIZE;
> > >
> > > frame = (can_frame_t *)iov->iov_base;
> > > --
> > > 2.1.0
> >
> > Thanks,
> > Jan
> >
>
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On 05.11.21 19:14, C Smith wrote:
> Here's an updated patch addressing mentioned issues.
> I've noticed ipc/internal.h re-defines COMPAT_CASE(__op) as well.
>
> I don't know what gmail is doing to the inline text (this should be
> plain text) so I've also attached a .gz version of the patch.
>
P
Signed-off-by: C Smith
---
kernel/drivers/can/rtcan_internal.h | 1 +
kernel/drivers/can/rtcan_raw.c | 102 +++-
2 files changed, 67 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/can/rtcan_internal.h
b/kernel/drivers/can/rtcan_internal.h
index
