| Message ID | 9494c2558406a8fd2938fef0c470dd640b7835ed.1601960644.git.thehajime@gmail.com |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [RFC,v7,01/21] um: split build in kernel and host parts | expand |
On Tue, 2020-10-06 at 18:44 +0900, Hajime Tazaki wrote: > This patch introduces the host operations that define the interface > between the LKL and the host. These operations must be provided either > by a host library or by the application itself. > I kinda find patches like this very pointless ... you see nothing, and can't really say anything. Maybe add the infra with the first user? > +/* Defined in {posix,nt}-host.c */ That doesn't exist either yet ... johannes
On Wed, Oct 7, 2020 at 6:45 PM Johannes Berg <johannes@sipsolutions.net> wrote: > > On Tue, 2020-10-06 at 18:44 +0900, Hajime Tazaki wrote: > > This patch introduces the host operations that define the interface > > between the LKL and the host. These operations must be provided either > > by a host library or by the application itself. > > > > I kinda find patches like this very pointless ... you see nothing, and > can't really say anything. Maybe add the infra with the first user? > > > +/* Defined in {posix,nt}-host.c */ > > That doesn't exist either yet ... > Noted, we will fix it in the next patch series.
diff --git a/arch/um/include/asm/host_ops.h b/arch/um/include/asm/host_ops.h new file mode 100644 index 000000000000..f52423cc4ced --- /dev/null +++ b/arch/um/include/asm/host_ops.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_LKL_HOST_OPS_H +#define _ASM_LKL_HOST_OPS_H + +#include <uapi/asm/host_ops.h> + +extern struct lkl_host_operations *lkl_ops; + +#endif diff --git a/arch/um/nommu/include/uapi/asm/host_ops.h b/arch/um/nommu/include/uapi/asm/host_ops.h new file mode 100644 index 000000000000..d3dad11b459e --- /dev/null +++ b/arch/um/nommu/include/uapi/asm/host_ops.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __UM_NOMMU_UAPI_HOST_OPS_H +#define __UM_NOMMU_UAPI_HOST_OPS_H + +/* Defined in {posix,nt}-host.c */ +struct lkl_mutex; +struct lkl_sem; +typedef unsigned long lkl_thread_t; +struct lkl_jmp_buf { + unsigned long buf[128]; +}; + +/** + * lkl_host_operations - host operations used by the Linux kernel + * + * These operations must be provided by a host library or by the application + * itself. + * + */ +struct lkl_host_operations { +}; + +void lkl_bug(const char *fmt, ...); + +#endif
This patch introduces the host operations that define the interface between the LKL and the host. These operations must be provided either by a host library or by the application itself. Signed-off-by: Hajime Tazaki <thehajime@gmail.com> --- arch/um/include/asm/host_ops.h | 9 ++++++++ arch/um/nommu/include/uapi/asm/host_ops.h | 25 +++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 arch/um/include/asm/host_ops.h create mode 100644 arch/um/nommu/include/uapi/asm/host_ops.h