On 3/19/21 4:19 PM, Naresh Kamboju wrote: > [This email landed to Spam for some reason, sending it again with modified > subject] > > While building arm64 kernel modules the following kernel warnings / > errors noticed on linux next 20210318 tag the gcc version is 7.3.0. > Build PASS with gcc-8, gcc-9 and gcc-10. > > In file included from <command-line>:0:0: > In function 'resiliency_test', > inlined from 'test_slub_init' at lib/test_slub.c:120:2: > include/linux/compiler_types.h:320:38: error: call to > '__compiletime_assert_417' declared with attribute error: BUILD_BUG_ON > failed: KMALLOC_MIN_SIZE > 16 | KMALLOC_SHIFT_HIGH < 10 > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > ^ > include/linux/compiler_types.h:301:4: note: in definition of macro > '__compiletime_assert' > prefix ## suffix(); \ > ^~~~~~ > include/linux/compiler_types.h:320:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:39:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:50:2: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) > ^~~~~~~~~~~~~~~~ > lib/test_slub.c:101:2: note: in expansion of macro 'BUILD_BUG_ON' > BUILD_BUG_ON(KMALLOC_MIN_SIZE > 16 | KMALLOC_SHIFT_HIGH < 10); > ^~~~~~~~~~~~ > make[2]: *** [ scripts/Makefile.build:273: lib/test_slub.o] Error 1 > make[1]: *** [ Makefile:1980: lib] Error 2 > > Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> > > https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=juno,label=docker-buster-lkft/984/consoleFull > > https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=juno,label=docker-buster-lkft/984/consoleFull > Andrew, please add this -fix Thanks. ----8<---- >From f97312224278839321a5ff9be2b8487553a97c63 Mon Sep 17 00:00:00 2001 From: Vlastimil Babka <vbabka@xxxxxxx> Date: Fri, 19 Mar 2021 18:56:50 +0100 Subject: [PATCH] selftests: add a kselftest for SLUB debugging functionality-fix Remove a BUILD_BUG_ON left over from original resiliency_test() that breaks builds. Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> --- lib/test_slub.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/lib/test_slub.c b/lib/test_slub.c index 0075d9b44251..b7ad6c0b07a6 100644 --- a/lib/test_slub.c +++ b/lib/test_slub.c @@ -97,9 +97,6 @@ static void __init test_clobber_redzone_free(void) static void __init resiliency_test(void) { - - BUILD_BUG_ON(KMALLOC_MIN_SIZE > 16 || KMALLOC_SHIFT_HIGH < 10); - pr_err("SLUB resiliency testing\n"); pr_err("-----------------------\n"); pr_err("A. Corruption after allocation\n"); -- 2.30.2
