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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=gdNxs8YaM69sWh4jREuvK0RFhtTc9iQ+3CErelD+Kuw=; b=pKSGKJH9bAChT1wAODTGNP2AB9hoS+31i41/1I+CNhcgsydTB18THs5ixcKZfmcjYh JaVsn9xQCQ9bgirCuUjut/ZqlUj3Gqn+5V56atTIZJKN+MONdbsjWHEIcYyBGgoX1iV+ 4NMF0pcnuXYE0pcc4UZ8EClDDZc7VwE+9Gg8juZWf1LuAmJ4oT93HVFydtCHf0rdMjTG ZMLIio4LgWUVpM44JL1Bo8BiSa9cMnmUitP+AxmcLHUi6z2IjVtLdflckr0qxbHjh34C 2qXedXnCnTKhiins5aaAnuUm1BITE19rfTh85mG/qLwuRf8cRxxyIlqeyzdCTk7ZkCin ZLzg== X-Gm-Message-State: AOAM532uhJq347NzeUKz20JX2j6kgqLPmQgVAUS4+tk5LYbAW5B6RhB/ XsCkKhA7uI2RJxR8u7BhvbrBoFvb2PIN X-Google-Smtp-Source: ABdhPJzB8Ow/F/CZOHVjcn9iuSTID9Tc1GsdyyhMrHAiA0JbUl8qtRteULcOWo7SJFI+fo/OhTgbHaHKfLBI X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a0c:83a4:: with SMTP id k33mr3010478qva.1.1612361976798; Wed, 03 Feb 2021 06:19:36 -0800 (PST) Date: Wed, 3 Feb 2021 14:19:30 +0000 In-Reply-To: <20210203141931.615898-1-qperret@google.com> Message-Id: <20210203141931.615898-2-qperret@google.com> Mime-Version: 1.0 References: <20210203141931.615898-1-qperret@google.com> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog Subject: [PATCH 1/2] asm-generic: export: Stub EXPORT_SYMBOL with __DISABLE_EXPORTS From: Quentin Perret To: arnd@arndb.de, maz@kernel.org, catalin.marinas@arm.com, will@kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_091940_888933_B8DC4F94 X-CRM114-Status: GOOD ( 11.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, suzuki.poulose@arm.com, qperret@google.com, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, ardb@kernel.org, julien.thierry.kdev@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Acked-by: Will Deacon --- include/asm-generic/export.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h index 365345f9a9e3..07a36a874dca 100644 --- a/include/asm-generic/export.h +++ b/include/asm-generic/export.h @@ -33,7 +33,7 @@ */ .macro ___EXPORT_SYMBOL name,val,sec -#ifdef CONFIG_MODULES +#if defined(CONFIG_MODULES) && !defined(__DISABLE_EXPORTS) .section ___ksymtab\sec+\name,"a" .balign KSYM_ALIGN __ksymtab_\name: