From: "Arnd Bergmann" <arnd@arndb.de>
To: "Jules Maselbas" <jmaselbas@kalray.eu>
Cc: "Yann Sionneau" <ysionneau@kalray.eu>,
"Jonathan Corbet" <corbet@lwn.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Marc Zyngier" <maz@kernel.org>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Will Deacon" <will@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Mark Rutland" <mark.rutland@arm.com>,
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"Waiman Long" <longman@redhat.com>,
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"Qi Liu" <liuqi115@huawei.com>,
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"Mark Brown" <broonie@kernel.org>,
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Linux-Arch <linux-arch@vger.kernel.org>,
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bpf@vger.kernel.org
Subject: Re: [RFC PATCH v2 09/31] kvx: Add build infrastructure
Date: Fri, 20 Jan 2023 16:01:11 +0100 [thread overview]
Message-ID: <9965e2d1-bae8-4ce7-911c-783c772e9ff1@app.fastmail.com> (raw)
In-Reply-To: <20230120145316.GA4155@tellis.lin.mbt.kalray.eu>
On Fri, Jan 20, 2023, at 15:53, Jules Maselbas wrote:
> On Fri, Jan 20, 2023 at 03:39:22PM +0100, Arnd Bergmann wrote:
>> On Fri, Jan 20, 2023, at 15:09, Yann Sionneau wrote:
>> > - Fix clean target raising an error from gcc (LIBGCC)
>>
>> I had not noticed this on v1 but:
>>
>> > +# Link with libgcc to get __div* builtins.
>> > +LIBGCC := $(shell $(CC) $(DEFAULT_OPTS) --print-libgcc-file-name)
>>
>> It's better to copy the bits of libgcc that you actually need
>> than to include the whole thing. The kernel is in a weird
> It was initialy using KCONFIG_CFLAGS which do not contains valid options
> when invoking the clean target.
>
> I am not exactly sure what's needed by gcc for --print-libgcc-file-name,
> my guess is that only the -march option matters, I will double check
> internally with compiler peoples.
>
>> state that is neither freestanding nor the normal libc based
>> environment, so we generally want full control over what is
>> used. This is particularly important for 32-bit architectures
>> that do not want the 64-bit division, but there are probably
>> enough other cases as well.
To clarify: I meant you should not include libgcc.a at all but
add the minimum set of required files as arch/kvx/lib/*.S.
Arnd
next prev parent reply other threads:[~2023-01-20 15:01 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-20 14:09 [RFC PATCH v2 00/31] Upstream kvx Linux port Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 01/31] Documentation: kvx: Add basic documentation Yann Sionneau
2023-01-22 9:02 ` Bagas Sanjaya
2023-01-25 18:28 ` Jules Maselbas
2023-01-26 2:23 ` Bagas Sanjaya
2023-01-22 15:02 ` Mike Rapoport
2023-01-20 14:09 ` [RFC PATCH v2 02/31] Documentation: Add binding for kalray,kv3-1-core-intc Yann Sionneau
2023-01-20 17:28 ` Rob Herring
2023-01-22 11:44 ` Krzysztof Kozlowski
2023-01-26 16:10 ` Jules Maselbas
2023-01-27 8:32 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 03/31] Documentation: Add binding for kalray,kv3-1-apic-gic Yann Sionneau
2023-01-22 11:47 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 04/31] Documentation: Add binding for kalray,kv3-1-apic-mailbox Yann Sionneau
2023-01-20 17:28 ` Rob Herring
2023-01-20 14:09 ` [RFC PATCH v2 05/31] Documentation: Add binding for kalray,coolidge-itgen Yann Sionneau
2023-01-22 11:49 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 06/31] Documentation: Add binding for kalray,kv3-1-ipi-ctrl Yann Sionneau
2023-01-20 17:28 ` Rob Herring
2023-01-22 11:50 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 07/31] Documentation: Add binding for kalray,kv3-1-pwr-ctrl Yann Sionneau
2023-01-20 17:28 ` Rob Herring
2023-01-22 11:51 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 08/31] kvx: Add ELF-related definitions Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 09/31] kvx: Add build infrastructure Yann Sionneau
2023-01-20 14:39 ` Arnd Bergmann
2023-01-20 14:53 ` Jules Maselbas
2023-01-20 15:01 ` Arnd Bergmann [this message]
2023-01-20 15:03 ` Jules Maselbas
2023-01-20 14:09 ` [RFC PATCH v2 11/31] kvx: Add atomic/locking headers Yann Sionneau
2023-01-20 15:18 ` Mark Rutland
2023-01-26 9:57 ` Jules Maselbas
2023-01-26 11:15 ` Mark Rutland
2023-01-26 11:19 ` Jules Maselbas
2023-01-29 11:50 ` Guo Ren
2023-01-20 14:09 ` [RFC PATCH v2 12/31] kvx: Add other common headers Yann Sionneau
2023-01-20 14:29 ` Jason A. Donenfeld
2023-01-25 21:55 ` Jules Maselbas
2023-01-20 14:09 ` [RFC PATCH v2 13/31] kvx: Add boot and setup routines Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 14/31] kvx: Add exception/interrupt handling Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 15/31] irqchip: Add irq-kvx-apic-gic driver Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 16/31] irqchip: Add irq-kvx-itgen driver Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 17/31] irqchip: Add irq-kvx-apic-mailbox driver Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 18/31] irqchip: Add kvx-core-intc core interupt controller driver Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 19/31] kvx: Add process management Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 21/31] kvx: Add system call support Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 22/31] kvx: Add signal handling support Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 23/31] kvx: Add ELF relocations and module support Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 24/31] kvx: Add misc common routines Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 25/31] kvx: Add some library functions Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 26/31] kvx: Add multi-processor (SMP) support Yann Sionneau
2023-01-20 14:09 ` [RFC PATCH v2 27/31] kvx: Add kvx default config file Yann Sionneau
2023-01-22 11:58 ` Krzysztof Kozlowski
2023-01-20 14:09 ` [RFC PATCH v2 28/31] kvx: Add debugging related support Yann Sionneau
2023-01-20 14:10 ` [RFC PATCH v2 29/31] kvx: Add support for cpuinfo Yann Sionneau
2023-01-22 11:57 ` Krzysztof Kozlowski
2023-01-20 14:10 ` [RFC PATCH v2 30/31] kvx: Add power controller driver Yann Sionneau
2023-01-22 11:54 ` Krzysztof Kozlowski
2024-04-15 14:08 ` Yann Sionneau
2024-04-15 15:30 ` Arnd Bergmann
2024-04-17 19:20 ` Krzysztof Kozlowski
2023-01-20 14:10 ` [RFC PATCH v2 31/31] kvx: Add IPI driver Yann Sionneau
2023-01-22 11:54 ` Krzysztof Kozlowski
2024-01-31 9:52 ` Yann Sionneau
2024-01-31 10:12 ` Krzysztof Kozlowski
2024-01-31 10:28 ` Arnd Bergmann
[not found] ` <20230120141002.2442-21-ysionneau@kalray.eu>
2023-01-22 16:09 ` [RFC PATCH v2 20/31] kvx: Add memory management Mike Rapoport
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