| Message ID | 20220403031355.20894-1-rdunlap@infradead.org |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] cpuidle: riscv: support non-SMP config | expand |
(Removed my WDC email because it does not exist anymore) On Sun, Apr 3, 2022 at 8:44 AM Randy Dunlap <rdunlap@infradead.org> wrote: > > Add <asm/smp.h> for cpuid_to_hartid_map etc. > This is needed for both SMP and non-SMP builds, but not having it > causes a build error for non-SMP: > > drivers/cpuidle/cpuidle-riscv-sbi.c: In function 'sbi_cpuidle_init_cpu': > drivers/cpuidle/cpuidle-riscv-sbi.c:350:26: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror=implicit-function-declaration] > > Fixes: 6abf32f1d9c5 ("cpuidle: Add RISC-V SBI CPU idle driver") > Signed-off-by: Randy Dunlap <rdunlap@infradead.org> > Reported-by: kernel test robot <lkp@intel.com> > Cc: Anup Patel <anup.patel@wdc.com> > Cc: Anup Patel <anup@brainfault.org> > Cc: Anup Patel <apatel@ventanamicro.com> > Cc: Atish Patra <atishp@rivosinc.com> > Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: "Rafael J. Wysocki" <rafael@kernel.org> > Cc: linux-pm@vger.kernel.org > Cc: linux-riscv@lists.infradead.org > Cc: Palmer Dabbelt <palmer@rivosinc.com> > Cc: Paul Walmsley <paul.walmsley@sifive.com> > Cc: Albert Ou <aou@eecs.berkeley.edu> > --- > drivers/cpuidle/cpuidle-riscv-sbi.c | 1 + > 1 file changed, 1 insertion(+) > > --- linux-next-20220401.orig/drivers/cpuidle/cpuidle-riscv-sbi.c > +++ linux-next-20220401/drivers/cpuidle/cpuidle-riscv-sbi.c > @@ -22,6 +22,7 @@ > #include <linux/pm_runtime.h> > #include <asm/cpuidle.h> > #include <asm/sbi.h> > +#include <asm/smp.h> I suggest include linux/smp.h here instead of asm/smp.h Otherwise it looks good to me. Reviewed-by: Anup Patel <anup@brainfault.org> Regards, Anup > #include <asm/suspend.h> > > #include "dt_idle_states.h"
On Mon, Apr 4, 2022 at 9:07 AM Randy Dunlap <rdunlap@infradead.org> wrote: > > > > On 4/3/22 20:05, Anup Patel wrote: > > (Removed my WDC email because it does not exist anymore) > > > > On Sun, Apr 3, 2022 at 8:44 AM Randy Dunlap <rdunlap@infradead.org> wrote: > >> > >> Add <asm/smp.h> for cpuid_to_hartid_map etc. > >> This is needed for both SMP and non-SMP builds, but not having it > >> causes a build error for non-SMP: > >> > >> drivers/cpuidle/cpuidle-riscv-sbi.c: In function 'sbi_cpuidle_init_cpu': > >> drivers/cpuidle/cpuidle-riscv-sbi.c:350:26: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror=implicit-function-declaration] > >> > >> Fixes: 6abf32f1d9c5 ("cpuidle: Add RISC-V SBI CPU idle driver") > >> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> > >> Reported-by: kernel test robot <lkp@intel.com> > >> Cc: Anup Patel <anup.patel@wdc.com> > >> Cc: Anup Patel <anup@brainfault.org> > >> Cc: Anup Patel <apatel@ventanamicro.com> > >> Cc: Atish Patra <atishp@rivosinc.com> > >> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > >> Cc: "Rafael J. Wysocki" <rafael@kernel.org> > >> Cc: linux-pm@vger.kernel.org > >> Cc: linux-riscv@lists.infradead.org > >> Cc: Palmer Dabbelt <palmer@rivosinc.com> > >> Cc: Paul Walmsley <paul.walmsley@sifive.com> > >> Cc: Albert Ou <aou@eecs.berkeley.edu> > >> --- > >> drivers/cpuidle/cpuidle-riscv-sbi.c | 1 + > >> 1 file changed, 1 insertion(+) > >> > >> --- linux-next-20220401.orig/drivers/cpuidle/cpuidle-riscv-sbi.c > >> +++ linux-next-20220401/drivers/cpuidle/cpuidle-riscv-sbi.c > >> @@ -22,6 +22,7 @@ > >> #include <linux/pm_runtime.h> > >> #include <asm/cpuidle.h> > >> #include <asm/sbi.h> > >> +#include <asm/smp.h> > > > > I suggest include linux/smp.h here instead of asm/smp.h > > > > Otherwise it looks good to me. > > > > Reviewed-by: Anup Patel <anup@brainfault.org> > > > > Yeah, checkpatch also suggested that but it does not work. > Yes, I tested it. > > linux/smp.h only #includes <asm/smp.h> if CONFIG_SMP is enabled, > and this patch needs <asm/smp.h> for the non-SMP case. Okay, sounds good to me. No changes needed in this patch. Regards, Anup > > > > >> #include <asm/suspend.h> > >> > >> #include "dt_idle_states.h" > > thanks. > -- > ~Randy
On Sat, 02 Apr 2022 20:13:55 PDT (-0700), rdunlap@infradead.org wrote: > Add <asm/smp.h> for cpuid_to_hartid_map etc. > This is needed for both SMP and non-SMP builds, but not having it > causes a build error for non-SMP: > > drivers/cpuidle/cpuidle-riscv-sbi.c: In function 'sbi_cpuidle_init_cpu': > drivers/cpuidle/cpuidle-riscv-sbi.c:350:26: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror=implicit-function-declaration] > > Fixes: 6abf32f1d9c5 ("cpuidle: Add RISC-V SBI CPU idle driver") > Signed-off-by: Randy Dunlap <rdunlap@infradead.org> > Reported-by: kernel test robot <lkp@intel.com> > Cc: Anup Patel <anup.patel@wdc.com> > Cc: Anup Patel <anup@brainfault.org> > Cc: Anup Patel <apatel@ventanamicro.com> > Cc: Atish Patra <atishp@rivosinc.com> > Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: "Rafael J. Wysocki" <rafael@kernel.org> > Cc: linux-pm@vger.kernel.org > Cc: linux-riscv@lists.infradead.org > Cc: Palmer Dabbelt <palmer@rivosinc.com> > Cc: Paul Walmsley <paul.walmsley@sifive.com> > Cc: Albert Ou <aou@eecs.berkeley.edu> > --- > drivers/cpuidle/cpuidle-riscv-sbi.c | 1 + > 1 file changed, 1 insertion(+) > > --- linux-next-20220401.orig/drivers/cpuidle/cpuidle-riscv-sbi.c > +++ linux-next-20220401/drivers/cpuidle/cpuidle-riscv-sbi.c > @@ -22,6 +22,7 @@ > #include <linux/pm_runtime.h> > #include <asm/cpuidle.h> > #include <asm/sbi.h> > +#include <asm/smp.h> > #include <asm/suspend.h> > > #include "dt_idle_states.h" Thanks, this is on fixes.
--- linux-next-20220401.orig/drivers/cpuidle/cpuidle-riscv-sbi.c +++ linux-next-20220401/drivers/cpuidle/cpuidle-riscv-sbi.c @@ -22,6 +22,7 @@ #include <linux/pm_runtime.h> #include <asm/cpuidle.h> #include <asm/sbi.h> +#include <asm/smp.h> #include <asm/suspend.h> #include "dt_idle_states.h"
Add <asm/smp.h> for cpuid_to_hartid_map etc. This is needed for both SMP and non-SMP builds, but not having it causes a build error for non-SMP: drivers/cpuidle/cpuidle-riscv-sbi.c: In function 'sbi_cpuidle_init_cpu': drivers/cpuidle/cpuidle-riscv-sbi.c:350:26: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror=implicit-function-declaration] Fixes: 6abf32f1d9c5 ("cpuidle: Add RISC-V SBI CPU idle driver") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Anup Patel <anup.patel@wdc.com> Cc: Anup Patel <anup@brainfault.org> Cc: Anup Patel <apatel@ventanamicro.com> Cc: Atish Patra <atishp@rivosinc.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: linux-pm@vger.kernel.org Cc: linux-riscv@lists.infradead.org Cc: Palmer Dabbelt <palmer@rivosinc.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Albert Ou <aou@eecs.berkeley.edu> --- drivers/cpuidle/cpuidle-riscv-sbi.c | 1 + 1 file changed, 1 insertion(+)