Message ID | 20190715134514.23782-1-kleber.souza@canonical.com |
---|---|
Headers | show |
Series | Fix perf build with libnuma (LP: #1836585) | expand |
On 2019-07-15 15:45:13 , Kleber Souza wrote: > BugLink: https://bugs.launchpad.net/bugs/1836585 > > [Impact] > When libnuma-dev is installed on the build environment, tools/perf tries to > build bench/numa.c, but in the current Xenial kernel in -proposed it fails: > > CC bench/numa.o > bench/numa.c: In function 'lfsr_32': > bench/numa.c:729:24: error: implicit declaration of function 'BIT' [-Werror=implicit-function-declaration] > const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31); > ^ > bench/numa.c:729:2: error: nested extern declaration of 'BIT' [-Werror=nested-externs] > const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31); > ^ > > [Fix] > Commit "UBUNTU: SAUCE: perf/bench: Drop definition of BIT in numa.c", applied > for "Xenial update: 4.4.180 upstream stable release (LP: #1830176)" is causing > build failures on tools/perf/bench after stable upstream commit "perf tools: No > need to include bitops.h in util.h" removed the inclusion of the header file > where the BIT() macro is defined. > > The fix is to revert the SAUCE patch and keep the definition of BIT() in loco in > numa.c as done in 4.4 stable upstream. > > [Test Case] > 1. Install libnuma-dev package on the build environment. > 2. cd xenial/linux source directory. > 3. fakeroot debian/rules clean > 4. cd tools/perf > 5. make > > [Regression Potential] > Low. The fix is to revert a SAUCE patch that was applied to fix a build failure > that has been fixed upstream and it's not needed anymore. > > Kleber Sacilotto de Souza (1): > Revert "UBUNTU: SAUCE: perf/bench: Drop definition of BIT in numa.c" > > tools/perf/bench/numa.c | 2 ++ > 1 file changed, 2 insertions(+) > > -- > 2.17.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
On 2019-07-15 15:45:13 , Kleber Souza wrote: > BugLink: https://bugs.launchpad.net/bugs/1836585 > > [Impact] > When libnuma-dev is installed on the build environment, tools/perf tries to > build bench/numa.c, but in the current Xenial kernel in -proposed it fails: > > CC bench/numa.o > bench/numa.c: In function 'lfsr_32': > bench/numa.c:729:24: error: implicit declaration of function 'BIT' [-Werror=implicit-function-declaration] > const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31); > ^ > bench/numa.c:729:2: error: nested extern declaration of 'BIT' [-Werror=nested-externs] > const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31); > ^ > > [Fix] > Commit "UBUNTU: SAUCE: perf/bench: Drop definition of BIT in numa.c", applied > for "Xenial update: 4.4.180 upstream stable release (LP: #1830176)" is causing > build failures on tools/perf/bench after stable upstream commit "perf tools: No > need to include bitops.h in util.h" removed the inclusion of the header file > where the BIT() macro is defined. > > The fix is to revert the SAUCE patch and keep the definition of BIT() in loco in > numa.c as done in 4.4 stable upstream. > > [Test Case] > 1. Install libnuma-dev package on the build environment. > 2. cd xenial/linux source directory. > 3. fakeroot debian/rules clean > 4. cd tools/perf > 5. make > > [Regression Potential] > Low. The fix is to revert a SAUCE patch that was applied to fix a build failure > that has been fixed upstream and it's not needed anymore. > > Kleber Sacilotto de Souza (1): > Revert "UBUNTU: SAUCE: perf/bench: Drop definition of BIT in numa.c" > > tools/perf/bench/numa.c | 2 ++ > 1 file changed, 2 insertions(+) > > -- > 2.17.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team