From mboxrd@z Thu Jan 1 00:00:00 1970 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 7E00A80023; Mon, 8 Apr 2024 13:32:43 +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=1712583163; cv=none; b=obraU5kGXwzFk3dodsTYqHfh7gTSIE2p8qEXiH4xGGK2KCMS9DcI/1EniEr759SO6pv2SphhRvYgmfOvh9ScsOH0CTmuGg9v/VTYM45M+MjmpdF+tLahSAkUE2+IpNyXS8f3MlJaohIRtF4OGCXhZgNC4f64tL3hSJjNvKMeeTw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712583163; c=relaxed/simple; bh=lVFvH+NLq8qT154B9G8JEIz/JGg9s1/pnkJUuwr+JXE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J9DwsgAIRUeKaEHLzGp7Ka9MeQ82+/eYed9OLTkZTZjWbrPTuvqZZFqGs5IxM+ct3bHBe8c79Cw1C/ueXcV7Lc1lV8dG5BxRyODq/kwHg5+Xh/wDkRwn7aeMvvptArU72kuoKqwIaxdtm6UwWuIZ28KBVdRaZxj+7vH2zQJ0ofM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zvRnP+9o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zvRnP+9o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3C82C43390; Mon, 8 Apr 2024 13:32:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712583163; bh=lVFvH+NLq8qT154B9G8JEIz/JGg9s1/pnkJUuwr+JXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zvRnP+9owflGYx6WmvGIi4EetBBovZNbM0yt57E33pTDYMhfy+H33To+fJtbBATGr IBLg57i6CAb6+SsZey6tXEjgFgC+m0usniLPIycszi8TNYGlyXF903mfK/yoeaqz9y ao8p7hPuwliHDDMd7IdszMDQMHjDSHqvfAKU0wMY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Samuel Holland , Andrew Jones , Alexandre Ghiti , Palmer Dabbelt , Sasha Levin Subject: [PATCH 6.8 147/273] riscv: mm: Fix prototype to avoid discarding const Date: Mon, 8 Apr 2024 14:57:02 +0200 Message-ID: <20240408125313.852384716@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240408125309.280181634@linuxfoundation.org> References: <20240408125309.280181634@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Samuel Holland [ Upstream commit 674bc0168e6b68070c75df22e97ab63b6eb60d89 ] __flush_tlb_range() does not modify the provided cpumask, so its cmask parameter can be pointer-to-const. This avoids the unsafe cast of cpu_online_mask. Fixes: 54d7431af73e ("riscv: Add support for BATCHED_UNMAP_TLB_FLUSH") Signed-off-by: Samuel Holland Reviewed-by: Andrew Jones Reviewed-by: Alexandre Ghiti Link: https://lore.kernel.org/r/20240301201837.2826172-1-samuel.holland@sifive.com Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- arch/riscv/mm/tlbflush.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c index 893566e004b73..07d743f87b3f6 100644 --- a/arch/riscv/mm/tlbflush.c +++ b/arch/riscv/mm/tlbflush.c @@ -99,7 +99,7 @@ static void __ipi_flush_tlb_range_asid(void *info) local_flush_tlb_range_asid(d->start, d->size, d->stride, d->asid); } -static void __flush_tlb_range(struct cpumask *cmask, unsigned long asid, +static void __flush_tlb_range(const struct cpumask *cmask, unsigned long asid, unsigned long start, unsigned long size, unsigned long stride) { @@ -200,7 +200,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, void flush_tlb_kernel_range(unsigned long start, unsigned long end) { - __flush_tlb_range((struct cpumask *)cpu_online_mask, FLUSH_TLB_NO_ASID, + __flush_tlb_range(cpu_online_mask, FLUSH_TLB_NO_ASID, start, end - start, PAGE_SIZE); } -- 2.43.0