Message ID | 20201105223040.3612663-1-cheloha@linux.ibm.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 3fb4a8fa28b740709bdd3229b80279957f4d37ed |
Headers | show |
Series | [v2] powerpc: topology.h: fix build when CONFIG_NUMA=n | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (58b9041431fcf9f3f87c8def87ca82dd54cf80dd) |
snowpatch_ozlabs/build-ppc64le | success | Build succeeded |
snowpatch_ozlabs/build-ppc64be | success | Build succeeded |
snowpatch_ozlabs/build-ppc64e | success | Build succeeded |
snowpatch_ozlabs/build-pmac32 | success | Build succeeded |
snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 31 lines checked |
snowpatch_ozlabs/needsstable | success | Patch fixes a commit that hasn't been released yet |
Le 05/11/2020 à 23:30, Scott Cheloha a écrit : > Add a non-NUMA definition for of_drconf_to_nid_single() to topology.h > so we have one even if powerpc/mm/numa.c is not compiled. On a non-NUMA > kernel the appropriate node id is always first_online_node. > > Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com> > Reported-by: kernel test robot <lkp@intel.com> > Fixes: 72cdd117c449 ("pseries/hotplug-memory: hot-add: skip redundant LMB lookup") Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > v1: Initial patch. > > v2: Incorporate suggested cleanups from Christophe Leroy. > > arch/powerpc/include/asm/topology.h | 12 +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > > diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h > index 8728590f514a..3beeb030cd78 100644 > --- a/arch/powerpc/include/asm/topology.h > +++ b/arch/powerpc/include/asm/topology.h > @@ -6,6 +6,7 @@ > > struct device; > struct device_node; > +struct drmem_lmb; > > #ifdef CONFIG_NUMA > > @@ -61,6 +62,9 @@ static inline int early_cpu_to_node(int cpu) > */ > return (nid < 0) ? 0 : nid; > } > + > +int of_drconf_to_nid_single(struct drmem_lmb *lmb); > + > #else > > static inline int early_cpu_to_node(int cpu) { return 0; } > @@ -84,10 +88,12 @@ static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc) > return 0; > } > > -#endif /* CONFIG_NUMA */ > +static inline int of_drconf_to_nid_single(struct drmem_lmb *lmb) > +{ > + return first_online_node; > +} > > -struct drmem_lmb; > -int of_drconf_to_nid_single(struct drmem_lmb *lmb); > +#endif /* CONFIG_NUMA */ > > #if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR) > extern int find_and_online_cpu_nid(int cpu); >
On Thu, 5 Nov 2020 16:30:40 -0600, Scott Cheloha wrote: > Add a non-NUMA definition for of_drconf_to_nid_single() to topology.h > so we have one even if powerpc/mm/numa.c is not compiled. On a non-NUMA > kernel the appropriate node id is always first_online_node. Applied to powerpc/fixes. [1/1] powerpc/numa: Fix build when CONFIG_NUMA=n https://git.kernel.org/powerpc/c/3fb4a8fa28b740709bdd3229b80279957f4d37ed cheers
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 8728590f514a..3beeb030cd78 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -6,6 +6,7 @@ struct device; struct device_node; +struct drmem_lmb; #ifdef CONFIG_NUMA @@ -61,6 +62,9 @@ static inline int early_cpu_to_node(int cpu) */ return (nid < 0) ? 0 : nid; } + +int of_drconf_to_nid_single(struct drmem_lmb *lmb); + #else static inline int early_cpu_to_node(int cpu) { return 0; } @@ -84,10 +88,12 @@ static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc) return 0; } -#endif /* CONFIG_NUMA */ +static inline int of_drconf_to_nid_single(struct drmem_lmb *lmb) +{ + return first_online_node; +} -struct drmem_lmb; -int of_drconf_to_nid_single(struct drmem_lmb *lmb); +#endif /* CONFIG_NUMA */ #if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR) extern int find_and_online_cpu_nid(int cpu);
Add a non-NUMA definition for of_drconf_to_nid_single() to topology.h so we have one even if powerpc/mm/numa.c is not compiled. On a non-NUMA kernel the appropriate node id is always first_online_node. Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com> Reported-by: kernel test robot <lkp@intel.com> Fixes: 72cdd117c449 ("pseries/hotplug-memory: hot-add: skip redundant LMB lookup") --- v1: Initial patch. v2: Incorporate suggested cleanups from Christophe Leroy. arch/powerpc/include/asm/topology.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)