* Ingo Molnar <mingo@xxxxxxxxxx> wrote: > Also, the protection keys testcase first need to be fixed, before we complicate > them - for example on a pretty regular Ubuntu x86-64 installation they fail to > build with the build errors attached further below. > > On an older Fedora 23 installation, the testcases themselves don't build at all: The Ubuntu build failure seems to have gone away after a 'make clean', what remains is an ugly build warning: triton:~/tip/tools/testing/selftests/x86> make gcc -m32 -o /home/mingo/tip/tools/testing/selftests/x86/protection_keys_32 -O2 -g -std=gnu99 -pthread -Wall -no-pie protection_keys.c -lrt -ldl -lm protection_keys.c: In function ‘dumpit’: protection_keys.c:419:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] write(1, buf, nr_read); ^~~~~~~~~~~~~~~~~~~~~~ gcc -m64 -o /home/mingo/tip/tools/testing/selftests/x86/protection_keys_64 -O2 -g -std=gnu99 -pthread -Wall -no-pie protection_keys.c -lrt -ldl protection_keys.c: In function ‘dumpit’: protection_keys.c:419:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] write(1, buf, nr_read); ^~~~~~~~~~~~~~~~~~~~~~ If this build warning and the Fedora build failure is fixed we can apply your patch too I think. Thanks, Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
