From: Chen Huang <chenhuang5@huawei.com> To: Christophe Leroy <christophe.leroy@csgroup.eu>, Michael Ellerman <mpe@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, "Paul Mackerras" <paulus@samba.org> Cc: Don Zickus <dzickus@redhat.com>, <linux-kernel@vger.kernel.org>, "Nicholas Piggin" <npiggin@gmail.com>, Hulk Robot <hulkci@huawei.com>, Andrew Morton <akpm@linux-foundation.org>, <linuxppc-dev@lists.ozlabs.org> Subject: Re: [PATCH] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration Date: Mon, 29 Mar 2021 10:00:28 +0800 [thread overview] Message-ID: <e8eddfd4-ca07-f2ba-42de-19e636dc2ce9@huawei.com> (raw) In-Reply-To: <dd6b25d3-006b-be1e-9c4f-89e66aefb519@csgroup.eu> 在 2021/3/28 19:06, Christophe Leroy 写道: > > > Le 27/03/2021 à 10:49, Chen Huang a écrit : >> When compiling the powerpc with the SMP disabled, it shows the issue: >> >> arch/powerpc/kernel/watchdog.c: In function ‘watchdog_smp_panic’: >> arch/powerpc/kernel/watchdog.c:177:4: error: implicit declaration of function ‘smp_send_nmi_ipi’; did you mean ‘smp_send_stop’? [-Werror=implicit-function-declaration] >> 177 | smp_send_nmi_ipi(c, wd_lockup_ipi, 1000000); >> | ^~~~~~~~~~~~~~~~ >> | smp_send_stop >> cc1: all warnings being treated as errors >> make[2]: *** [scripts/Makefile.build:273: arch/powerpc/kernel/watchdog.o] Error 1 >> make[1]: *** [scripts/Makefile.build:534: arch/powerpc/kernel] Error 2 >> make: *** [Makefile:1980: arch/powerpc] Error 2 >> make: *** Waiting for unfinished jobs.... >> >> We found that powerpc used ipi to implement hardlockup watchdog, so the >> HAVE_HARDLOCKUP_DETECTOR_ARCH should depend on the SMP. >> >> Fixes: 2104180a5369 ("powerpc/64s: implement arch-specific hardlockup watchdog") >> Reported-by: Hulk Robot <hulkci@huawei.com> >> Signed-off-by: Chen Huang <chenhuang5@huawei.com> >> --- >> arch/powerpc/Kconfig | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig >> index 764df010baee..2d4f37b117ce 100644 >> --- a/arch/powerpc/Kconfig >> +++ b/arch/powerpc/Kconfig >> @@ -225,7 +225,7 @@ config PPC >> select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS >> select HAVE_MOD_ARCH_SPECIFIC >> select HAVE_NMI if PERF_EVENTS || (PPC64 && PPC_BOOK3S) >> - select HAVE_HARDLOCKUP_DETECTOR_ARCH if (PPC64 && PPC_BOOK3S) >> + select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC64 && PPC_BOOK3S && SMP > > While modifying this line, you should restore the alphabetic order by moving it up. > > You can use PPC_BOOK3S_64 instead of PPC64 && PPC_BOOK3S > I will modify it. Thanks! >> select HAVE_OPTPROBES if PPC64 >> select HAVE_PERF_EVENTS >> select HAVE_PERF_EVENTS_NMI if PPC64 >> > .
WARNING: multiple messages have this Message-ID (diff)
From: Chen Huang <chenhuang5@huawei.com> To: Christophe Leroy <christophe.leroy@csgroup.eu>, Michael Ellerman <mpe@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, "Paul Mackerras" <paulus@samba.org> Cc: Don Zickus <dzickus@redhat.com>, linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>, Hulk Robot <hulkci@huawei.com>, Andrew Morton <akpm@linux-foundation.org>, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration Date: Mon, 29 Mar 2021 10:00:28 +0800 [thread overview] Message-ID: <e8eddfd4-ca07-f2ba-42de-19e636dc2ce9@huawei.com> (raw) In-Reply-To: <dd6b25d3-006b-be1e-9c4f-89e66aefb519@csgroup.eu> 在 2021/3/28 19:06, Christophe Leroy 写道: > > > Le 27/03/2021 à 10:49, Chen Huang a écrit : >> When compiling the powerpc with the SMP disabled, it shows the issue: >> >> arch/powerpc/kernel/watchdog.c: In function ‘watchdog_smp_panic’: >> arch/powerpc/kernel/watchdog.c:177:4: error: implicit declaration of function ‘smp_send_nmi_ipi’; did you mean ‘smp_send_stop’? [-Werror=implicit-function-declaration] >> 177 | smp_send_nmi_ipi(c, wd_lockup_ipi, 1000000); >> | ^~~~~~~~~~~~~~~~ >> | smp_send_stop >> cc1: all warnings being treated as errors >> make[2]: *** [scripts/Makefile.build:273: arch/powerpc/kernel/watchdog.o] Error 1 >> make[1]: *** [scripts/Makefile.build:534: arch/powerpc/kernel] Error 2 >> make: *** [Makefile:1980: arch/powerpc] Error 2 >> make: *** Waiting for unfinished jobs.... >> >> We found that powerpc used ipi to implement hardlockup watchdog, so the >> HAVE_HARDLOCKUP_DETECTOR_ARCH should depend on the SMP. >> >> Fixes: 2104180a5369 ("powerpc/64s: implement arch-specific hardlockup watchdog") >> Reported-by: Hulk Robot <hulkci@huawei.com> >> Signed-off-by: Chen Huang <chenhuang5@huawei.com> >> --- >> arch/powerpc/Kconfig | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig >> index 764df010baee..2d4f37b117ce 100644 >> --- a/arch/powerpc/Kconfig >> +++ b/arch/powerpc/Kconfig >> @@ -225,7 +225,7 @@ config PPC >> select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS >> select HAVE_MOD_ARCH_SPECIFIC >> select HAVE_NMI if PERF_EVENTS || (PPC64 && PPC_BOOK3S) >> - select HAVE_HARDLOCKUP_DETECTOR_ARCH if (PPC64 && PPC_BOOK3S) >> + select HAVE_HARDLOCKUP_DETECTOR_ARCH if PPC64 && PPC_BOOK3S && SMP > > While modifying this line, you should restore the alphabetic order by moving it up. > > You can use PPC_BOOK3S_64 instead of PPC64 && PPC_BOOK3S > I will modify it. Thanks! >> select HAVE_OPTPROBES if PPC64 >> select HAVE_PERF_EVENTS >> select HAVE_PERF_EVENTS_NMI if PPC64 >> > .
next prev parent reply other threads:[~2021-03-29 2:01 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-27 9:49 [PATCH] powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration Chen Huang 2021-03-27 9:49 ` Chen Huang 2021-03-28 11:06 ` Christophe Leroy 2021-03-29 2:00 ` Chen Huang [this message] 2021-03-29 2:00 ` Chen Huang 2021-03-29 2:27 ` [PATCH v2] " Chen Huang 2021-03-29 2:27 ` Chen Huang 2021-03-31 1:09 ` Michael Ellerman 2021-03-31 1:09 ` Michael Ellerman 2021-03-31 1:09 ` [PATCH] " Michael Ellerman 2021-03-31 1:09 ` Michael Ellerman
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