From: Michael Ellerman <mpe@ellerman.id.au>
To: Ricardo Ribalda <ribalda@chromium.org>,
Eric Biederman <ebiederm@xmission.com>,
Philipp Rudo <prudo@linux.vnet.ibm.com>,
Dave Young <dyoung@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>, Tom Rix <trix@redhat.com>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Baoquan He <bhe@redhat.com>, Philipp Rudo <prudo@redhat.com>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
Ross Zwisler <zwisler@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Simon Horman <horms@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
llvm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org,
Ricardo Ribalda <ribalda@chromium.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v7 3/4] powerpc/purgatory: Remove PGO flags
Date: Mon, 22 May 2023 14:16:54 +1000 [thread overview]
Message-ID: <87h6s59f0p.fsf@mail.lhotse> (raw)
In-Reply-To: <20230321-kexec_clang16-v7-3-b05c520b7296@chromium.org>
Ricardo Ribalda <ribalda@chromium.org> writes:
> If profile-guided optimization is enabled, the purgatory ends up with
> multiple .text sections.
> This is not supported by kexec and crashes the system.
>
> Cc: stable@vger.kernel.org
> Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> arch/powerpc/purgatory/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
cheers
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Ricardo Ribalda <ribalda@chromium.org>,
Eric Biederman <ebiederm@xmission.com>,
Philipp Rudo <prudo@linux.vnet.ibm.com>,
Dave Young <dyoung@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>, Tom Rix <trix@redhat.com>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Baoquan He <bhe@redhat.com>, Philipp Rudo <prudo@redhat.com>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
Ross Zwisler <zwisler@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Simon Horman <horms@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
llvm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org,
Ricardo Ribalda <ribalda@chromium.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v7 3/4] powerpc/purgatory: Remove PGO flags
Date: Mon, 22 May 2023 14:16:54 +1000 [thread overview]
Message-ID: <87h6s59f0p.fsf@mail.lhotse> (raw)
In-Reply-To: <20230321-kexec_clang16-v7-3-b05c520b7296@chromium.org>
Ricardo Ribalda <ribalda@chromium.org> writes:
> If profile-guided optimization is enabled, the purgatory ends up with
> multiple .text sections.
> This is not supported by kexec and crashes the system.
>
> Cc: stable@vger.kernel.org
> Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> arch/powerpc/purgatory/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
cheers
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Ricardo Ribalda <ribalda@chromium.org>,
Eric Biederman <ebiederm@xmission.com>,
Philipp Rudo <prudo@linux.vnet.ibm.com>,
Dave Young <dyoung@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>, Tom Rix <trix@redhat.com>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Baoquan He <bhe@redhat.com>, Philipp Rudo <prudo@redhat.com>,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
Ross Zwisler <zwisler@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Simon Horman <horms@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
llvm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org,
Ricardo Ribalda <ribalda@chromium.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v7 3/4] powerpc/purgatory: Remove PGO flags
Date: Mon, 22 May 2023 14:16:54 +1000 [thread overview]
Message-ID: <87h6s59f0p.fsf@mail.lhotse> (raw)
In-Reply-To: <20230321-kexec_clang16-v7-3-b05c520b7296@chromium.org>
Ricardo Ribalda <ribalda@chromium.org> writes:
> If profile-guided optimization is enabled, the purgatory ends up with
> multiple .text sections.
> This is not supported by kexec and crashes the system.
>
> Cc: stable@vger.kernel.org
> Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> arch/powerpc/purgatory/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Ricardo Ribalda <ribalda@chromium.org>,
Eric Biederman <ebiederm@xmission.com>,
Philipp Rudo <prudo@linux.vnet.ibm.com>,
Dave Young <dyoung@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>, Tom Rix <trix@redhat.com>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
Baoquan He <bhe@redhat.com>, Philipp Rudo <prudo@redhat.com>,
llvm@lists.linux.dev, Ross Zwisler <zwisler@google.com>,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
stable@vger.kernel.org, Simon Horman <horms@kernel.org>,
Ricardo Ribalda <ribalda@chromium.org>,
linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org,
kexec@lists.infradead.org
Subject: Re: [PATCH v7 3/4] powerpc/purgatory: Remove PGO flags
Date: Mon, 22 May 2023 14:16:54 +1000 [thread overview]
Message-ID: <87h6s59f0p.fsf@mail.lhotse> (raw)
In-Reply-To: <20230321-kexec_clang16-v7-3-b05c520b7296@chromium.org>
Ricardo Ribalda <ribalda@chromium.org> writes:
> If profile-guided optimization is enabled, the purgatory ends up with
> multiple .text sections.
> This is not supported by kexec and crashes the system.
>
> Cc: stable@vger.kernel.org
> Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> arch/powerpc/purgatory/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
cheers
next prev parent reply other threads:[~2023-05-22 4:17 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-19 14:47 [PATCH v7 0/4] kexec: Fix kexec_file_load for llvm16 with PGO Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` [PATCH v7 1/4] kexec: Support purgatories with .text.hot sections Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` [PATCH v7 2/4] x86/purgatory: Remove PGO flags Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` [PATCH v7 3/4] powerpc/purgatory: " Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-22 4:16 ` Michael Ellerman [this message]
2023-05-22 4:16 ` Michael Ellerman
2023-05-22 4:16 ` Michael Ellerman
2023-05-22 4:16 ` Michael Ellerman
2023-05-19 14:47 ` [PATCH v7 4/4] riscv/purgatory: " Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-05-19 14:47 ` Ricardo Ribalda
2023-09-07 23:08 ` [PATCH v7 0/4] kexec: Fix kexec_file_load for llvm16 with PGO Song Liu
2023-09-07 23:08 ` Song Liu
2023-09-07 23:08 ` Song Liu
2023-09-07 23:08 ` Song Liu
2023-09-08 21:17 ` Ricardo Ribalda
2023-09-08 21:17 ` Ricardo Ribalda
2023-09-08 21:17 ` Ricardo Ribalda
2023-09-08 21:17 ` Ricardo Ribalda
2023-09-08 21:48 ` Song Liu
2023-09-08 21:48 ` Song Liu
2023-09-08 21:48 ` Song Liu
2023-09-08 21:48 ` Song Liu
2023-09-08 21:51 ` Ricardo Ribalda
2023-09-08 21:51 ` Ricardo Ribalda
2023-09-08 21:51 ` Ricardo Ribalda
2023-09-08 21:51 ` Ricardo Ribalda
2023-09-08 22:53 ` Song Liu
2023-09-08 22:53 ` Song Liu
2023-09-08 22:53 ` Song Liu
2023-09-08 22:53 ` Song Liu
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