From patchwork Mon Apr 29 12:16:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13646818 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F8C856B86; Mon, 29 Apr 2024 12:19:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714393158; cv=none; b=SLPURYPX7xvAXq+awjfNzUkmHHrV9dinvEUp51mBNkl/2HW4DspVtMUO+MTsLcglLUuCGKVJBe7imRBqHnr7mvkxXkqFPirlydfQp2xIUIWgsihirA6NS2obfZ9SshaOiBrac9UL78eQW1pd7z9AfQ+aVi74azPE/Me4ZJN8l0g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714393158; c=relaxed/simple; bh=dj8Jeem56mTOW4r4fQ6hbW3YTYti2N5hSv58QgNFPjs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HMQFcUOWCIqmsIaMyxMFobXJLbIOX9zYtnCUZAxLG3XUXcjjcvDEqSfUrm5a9EuwkwSnMQxPyYugEKziYXEYw0txLjwd1rWFUp1cOkU0EOC9gXqC6+M8Zo+7znAhZ2+Xuv+pbLXpHHX7VbvOATHMShbKrzf3VnZel6wnaenXJug= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MmvWvxbC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MmvWvxbC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1518AC4AF1C; Mon, 29 Apr 2024 12:19:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714393157; bh=dj8Jeem56mTOW4r4fQ6hbW3YTYti2N5hSv58QgNFPjs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MmvWvxbC0HGTjKznBDq5WvNVUvymJ1XQrKqyn/OVi8liMXpHcQT38BD78iN0jrzIc QCK25AaJ5h6mcydeXdfzBUTc4xUaXrWbrAaWdBuFmTl/RCkXHdnN/iPijhgL45JYe0 eXQ18cphcIbLcZNXfloTS6rlbQ9MTc9Txu4k8o3MY4KP0mAfQqILil2NMPrXMcwnak 6sIqAhTOM4p1HykmXgzfa3hLG21FfFWgMeB2KKtIo95gGUtfWNF9j5Vdt45GD30uqh 4QcH3ZbXMjkBY6nfwBBwL8WMVQkEl8iann/2QSk4rfiIqEk4IqoC7S5W/YvtwYo2Zh zAkBFTnQiwjWg== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexandre Ghiti , Andrew Morton , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Catalin Marinas , Christophe Leroy , "David S. Miller" , Dinh Nguyen , Donald Dutile , Eric Chanudet , Heiko Carstens , Helge Deller , Huacai Chen , Kent Overstreet , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Michael Ellerman , Mike Rapoport , Nadav Amit , Palmer Dabbelt , Peter Zijlstra , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Rick Edgecombe , Russell King , Sam Ravnborg , Song Liu , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Will Deacon , bpf@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, netdev@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v7 14/16] powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate Date: Mon, 29 Apr 2024 15:16:18 +0300 Message-ID: <20240429121620.1186447-15-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240429121620.1186447-1-rppt@kernel.org> References: <20240429121620.1186447-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (IBM)" There are places where CONFIG_MODULES guards the code that depends on memory allocation being done with module_alloc(). Replace CONFIG_MODULES with CONFIG_EXECMEM in such places. Signed-off-by: Mike Rapoport (IBM) --- arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/kasan.h | 2 +- arch/powerpc/kernel/head_8xx.S | 4 ++-- arch/powerpc/kernel/head_book3s_32.S | 6 +++--- arch/powerpc/lib/code-patching.c | 2 +- arch/powerpc/mm/book3s32/mmu.c | 2 +- 6 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1c4be3373686..2e586733a464 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -285,7 +285,7 @@ config PPC select IOMMU_HELPER if PPC64 select IRQ_DOMAIN select IRQ_FORCED_THREADING - select KASAN_VMALLOC if KASAN && MODULES + select KASAN_VMALLOC if KASAN && EXECMEM select LOCK_MM_AND_FIND_VMA select MMU_GATHER_PAGE_SIZE select MMU_GATHER_RCU_TABLE_FREE diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index 365d2720097c..b5bbb94c51f6 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -19,7 +19,7 @@ #define KASAN_SHADOW_SCALE_SHIFT 3 -#if defined(CONFIG_MODULES) && defined(CONFIG_PPC32) +#if defined(CONFIG_EXECMEM) && defined(CONFIG_PPC32) #define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M) #else #define KASAN_KERN_START PAGE_OFFSET diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 647b0b445e89..edc479a7c2bc 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -199,12 +199,12 @@ instruction_counter: mfspr r10, SPRN_SRR0 /* Get effective address of fault */ INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11) mtspr SPRN_MD_EPN, r10 -#ifdef CONFIG_MODULES +#ifdef CONFIG_EXECMEM mfcr r11 compare_to_kernel_boundary r10, r10 #endif mfspr r10, SPRN_M_TWB /* Get level 1 table */ -#ifdef CONFIG_MODULES +#ifdef CONFIG_EXECMEM blt+ 3f rlwinm r10, r10, 0, 20, 31 oris r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S index c1d89764dd22..57196883a00e 100644 --- a/arch/powerpc/kernel/head_book3s_32.S +++ b/arch/powerpc/kernel/head_book3s_32.S @@ -419,14 +419,14 @@ InstructionTLBMiss: */ /* Get PTE (linux-style) and check access */ mfspr r3,SPRN_IMISS -#ifdef CONFIG_MODULES +#ifdef CONFIG_EXECMEM lis r1, TASK_SIZE@h /* check if kernel address */ cmplw 0,r1,r3 #endif mfspr r2, SPRN_SDR1 li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC rlwinm r2, r2, 28, 0xfffff000 -#ifdef CONFIG_MODULES +#ifdef CONFIG_EXECMEM li r0, 3 bgt- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ @@ -442,7 +442,7 @@ InstructionTLBMiss: andc. r1,r1,r2 /* check access & ~permission */ bne- InstructionAddressInvalid /* return if access not permitted */ /* Convert linux-style PTE to low word of PPC-style PTE */ -#ifdef CONFIG_MODULES +#ifdef CONFIG_EXECMEM rlwimi r2, r0, 0, 31, 31 /* userspace ? -> PP lsb */ #endif ori r1, r1, 0xe06 /* clear out reserved bits */ diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index c6ab46156cda..7af791446ddf 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -225,7 +225,7 @@ void __init poking_init(void) static unsigned long get_patch_pfn(void *addr) { - if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr)) + if (IS_ENABLED(CONFIG_EXECMEM) && is_vmalloc_or_module_addr(addr)) return vmalloc_to_pfn(addr); else return __pa_symbol(addr) >> PAGE_SHIFT; diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index 100f999871bc..625fe7d08e06 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -184,7 +184,7 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top) static bool is_module_segment(unsigned long addr) { - if (!IS_ENABLED(CONFIG_MODULES)) + if (!IS_ENABLED(CONFIG_EXECMEM)) return false; if (addr < ALIGN_DOWN(MODULES_VADDR, SZ_256M)) return false;