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From: Will Deacon <will@kernel.org>
To: Quentin Perret <qperret@google.com>
Cc: arnd@arndb.de, maz@kernel.org, catalin.marinas@arm.com,
	james.morse@arm.com, julien.thierry.kdev@gmail.com,
	suzuki.poulose@arm.com, ardb@kernel.org,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu, kernel-team@android.com
Subject: Re: [PATCH 1/2] asm-generic: export: Stub EXPORT_SYMBOL with __DISABLE_EXPORTS
Date: Wed, 3 Feb 2021 15:24:52 +0000	[thread overview]
Message-ID: <20210203152452.GA18974@willie-the-truck> (raw)
In-Reply-To: <20210203141931.615898-2-qperret@google.com>

On Wed, Feb 03, 2021 at 02:19:30PM +0000, Quentin Perret wrote:
> It is currently possible to stub EXPORT_SYMBOL() macros in C code using
> __DISABLE_EXPORTS, which is necessary to run in constrained environments
> such as the EFI stub or the decompressor. But this currently doesn't
> apply to exports from assembly, which can lead to somewhat confusing
> situations.
> 
> Consolidate the __DISABLE_EXPORTS infrastructure by checking it from
> asm-generic/export.h as well.
> 
> Signed-off-by: Quentin Perret <qperret@google.com>
> ---
>  include/asm-generic/export.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Will Deacon <will@kernel.org>

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Quentin Perret <qperret@google.com>
Cc: linux-arch@vger.kernel.org, arnd@arndb.de, maz@kernel.org,
	linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
	linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com,
	kernel-team@android.com, ardb@kernel.org
Subject: Re: [PATCH 1/2] asm-generic: export: Stub EXPORT_SYMBOL with __DISABLE_EXPORTS
Date: Wed, 3 Feb 2021 15:24:52 +0000	[thread overview]
Message-ID: <20210203152452.GA18974@willie-the-truck> (raw)
In-Reply-To: <20210203141931.615898-2-qperret@google.com>

On Wed, Feb 03, 2021 at 02:19:30PM +0000, Quentin Perret wrote:
> It is currently possible to stub EXPORT_SYMBOL() macros in C code using
> __DISABLE_EXPORTS, which is necessary to run in constrained environments
> such as the EFI stub or the decompressor. But this currently doesn't
> apply to exports from assembly, which can lead to somewhat confusing
> situations.
> 
> Consolidate the __DISABLE_EXPORTS infrastructure by checking it from
> asm-generic/export.h as well.
> 
> Signed-off-by: Quentin Perret <qperret@google.com>
> ---
>  include/asm-generic/export.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Will Deacon <will@kernel.org>

Will
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Quentin Perret <qperret@google.com>
Cc: linux-arch@vger.kernel.org, arnd@arndb.de,
	suzuki.poulose@arm.com, maz@kernel.org,
	linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
	james.morse@arm.com, linux-arm-kernel@lists.infradead.org,
	catalin.marinas@arm.com, kernel-team@android.com,
	ardb@kernel.org, julien.thierry.kdev@gmail.com
Subject: Re: [PATCH 1/2] asm-generic: export: Stub EXPORT_SYMBOL with __DISABLE_EXPORTS
Date: Wed, 3 Feb 2021 15:24:52 +0000	[thread overview]
Message-ID: <20210203152452.GA18974@willie-the-truck> (raw)
In-Reply-To: <20210203141931.615898-2-qperret@google.com>

On Wed, Feb 03, 2021 at 02:19:30PM +0000, Quentin Perret wrote:
> It is currently possible to stub EXPORT_SYMBOL() macros in C code using
> __DISABLE_EXPORTS, which is necessary to run in constrained environments
> such as the EFI stub or the decompressor. But this currently doesn't
> apply to exports from assembly, which can lead to somewhat confusing
> situations.
> 
> Consolidate the __DISABLE_EXPORTS infrastructure by checking it from
> asm-generic/export.h as well.
> 
> Signed-off-by: Quentin Perret <qperret@google.com>
> ---
>  include/asm-generic/export.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Will Deacon <will@kernel.org>

Will

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-02-03 15:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-03 14:19 [PATCH 0/2] KVM: arm64: Stub exports in nvhe code Quentin Perret
2021-02-03 14:19 ` Quentin Perret
2021-02-03 14:19 ` Quentin Perret
2021-02-03 14:19 ` [PATCH 1/2] asm-generic: export: Stub EXPORT_SYMBOL with __DISABLE_EXPORTS Quentin Perret
2021-02-03 14:19   ` Quentin Perret
2021-02-03 14:19   ` Quentin Perret
2021-02-03 15:24   ` Will Deacon [this message]
2021-02-03 15:24     ` Will Deacon
2021-02-03 15:24     ` Will Deacon
2021-02-03 14:19 ` [PATCH 2/2] KVM: arm64: Stub EXPORT_SYMBOL for nVHE EL2 code Quentin Perret
2021-02-03 14:19   ` Quentin Perret
2021-02-03 14:19   ` Quentin Perret
2021-02-03 16:43 ` [PATCH 0/2] KVM: arm64: Stub exports in nvhe code Marc Zyngier
2021-02-03 16:43   ` Marc Zyngier
2021-02-03 16:43   ` Marc Zyngier

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