Sun, 26 Mar 2017 17:43:18 +0300 було написано Hartmann, O.
<ohartm...@walstatt.org>:
On Sun, 26 Mar 2017 09:10:02 +0000 (UTC)
Andriy Voskoboinyk <a...@freebsd.org> wrote:
Author: avos
Date: Sun Mar 26 09:10:01 2017
New Revision: 315981
URL: https://svnweb.freebsd.org/changeset/base/315981
Log:
iwn: omit unneeded bus_dmamap_sync() calls when compiled without
'options IWN_DEBUG'
Modified:
head/sys/dev/iwn/if_iwn.c
Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c Sun Mar 26 08:54:08 2017
(r315980) +++ head/sys/dev/iwn/if_iwn.c Sun Mar 26 09:10:01
2017 (r315981) @@ -3944,6 +3944,7 @@ iwn_notif_intr(struct
iwn_softc *sc) sc->errptr = le32toh(uc->errptr);
break;
}
+#ifdef IWN_DEBUG
case IWN_STATE_CHANGED:
{
/*
@@ -3953,27 +3954,26 @@ iwn_notif_intr(struct iwn_softc *sc)
*/
bus_dmamap_sync(sc->rxq.data_dmat, data->map,
BUS_DMASYNC_POSTREAD);
-#ifdef IWN_DEBUG
+
uint32_t *status = (uint32_t *)(desc + 1);
DPRINTF(sc, IWN_DEBUG_INTR | IWN_DEBUG_STATE,
"state changed to %x\n",
le32toh(*status));
-#endif
break;
}
case IWN_START_SCAN:
{
bus_dmamap_sync(sc->rxq.data_dmat, data->map,
BUS_DMASYNC_POSTREAD);
-#ifdef IWN_DEBUG
+
struct iwn_start_scan *scan =
(struct iwn_start_scan *)(desc + 1);
DPRINTF(sc, IWN_DEBUG_ANY,
"%s: scanning channel %d status %x\n",
__func__, scan->chan,
le32toh(scan->status)); -#endif
break;
}
+#endif
case IWN_STOP_SCAN:
{
bus_dmamap_sync(sc->rxq.data_dmat, data->map,
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It seems when iwm is configured in a kernel without debugging enabled,
builkernel failsas shown below:
[...]
--------------------------------------------------------------
stage 3.1: building everything
--------------------------------------------------------------
cd /usr/obj/usr/src/sys/HERMANN; COMPILER_VERSION=40000
COMPILER_TYPE=clang COMPILER_FREEBSD_VERSION=1200006
MAKEOBJDIRPREFIX=/usr/obj MACHINE_ARCH=amd64 MACHINE=amd64
CPUTYPE=native BUILD_TOOLS_META=.NOMETA_CMP
GROFF_BIN_PATH=/usr/obj/usr/src/tmp/legacy/usr/bin
GROFF_FONT_PATH=/usr/obj/usr/src/tmp/legacy/usr/share/groff_font
GROFF_TMAC_PATH=/usr/obj/usr/src/tmp/legacy/usr/share/tmac CC="cc
-target x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp
-B/usr/obj/usr/src/tmp/usr/bin" CXX="c++ -target
x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp
-B/usr/obj/usr/src/tmp/usr/bin" CPP="cpp -target
x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp
-B/usr/obj/usr/src/tmp/usr/bin" AS="as" AR="ar" LD="ld" LLVM_LINK=""
NM=nm OBJCOPY="objcopy" RANLIB=ranlib STRINGS= SIZE="size"
INSTALL="sh /usr/src/tools/install.sh"
PATH=/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/legacy/usr/bin:/usr/obj/usr/src/tmp/legacy/bin:/usr/obj/usr/src/tmp/usr/sbin:/usr/obj/usr/src/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin
make -m /usr/src/share/mk KERNEL=kernel all -DNO_MODULES_OBJ
Building /usr/obj/usr/src/sys/HERMANN/if_iwm_scan.o
/usr/src/sys/dev/iwm/if_iwm_scan.c:224:12:
error: unused variable 'aborted' [-Werror,-Wunused-variable] boolean_t
aborted = (scan_notif->status == IWM_SCAN_OFFLOAD_ABORTED);
^ /usr/src/sys/dev/iwm/if_iwm_scan.c:251:11: error: unused variable
'uid' [-Werror,-Wunused-variable] uint32_t uid = le32toh(notif->uid);
Fixed in r316010.
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