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Mark Johnston aa545f18d3 netmap: Ignore errors in CSB_WRITE() 
The CSB_WRITE() and _READ() macros respectively write to and read from
userspace memory and so can in principle fault.  However, we do not
check for errors and will proceed blindly if they fail.  Add assertions
to verify that they do not.

This is in preparation for annotating copyin() and related functions
with __result_use_check.

Reviewed by:	vmaffione
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D43200

(cherry picked from commit 99efa2c88d93c6272a8f54b18d18d0fd9d60f137)
2024-01-04 08:42:13 -05:00
..
if_ptnet.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
if_re_netmap.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
if_vtnet_netmap.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap.c sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_bdg.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
netmap_bdg.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netmap_freebsd.c sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
netmap_generic.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
netmap_kern.h netmap: Ignore errors in CSB_WRITE() 2024-01-04 08:42:13 -05:00
netmap_kloop.c sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
netmap_legacy.c sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
netmap_mbq.c sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_mbq.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_mem2.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
netmap_mem2.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_monitor.c sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
netmap_null.c sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
netmap_offloadings.c sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
netmap_pipe.c sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
netmap_vale.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00