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 A103D33508B for ; Wed, 19 Nov 2025 09:38:26 +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=1763545106; cv=none; b=btm7QuivOADc8jaib+Jt49GPX6oRRTr6bVnNhPEIWhia3exHmchFjp8S6FKp2b6EKl0N5k60xJkzI5EiPaZgqoNPEC0CfRv47RLYmWs4BK4kd5105nBpgxnCIUGDquPmBJVFcevy0Qe2aDDcobJf7Rwl1f9jAdNbB7h6UbT0404= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763545106; c=relaxed/simple; bh=F5GbJ+oK66AHTo+N38MGPuUCLZSwic9TPhBuWD87HyA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i/ue0I3prbND4ln+ClBqDT3JhSNZ0tt8M3GhGDA12glbp7KADjNkUcQ8ciPtapDGauZwQBp3ciiEP6Z9UBG73yMzmHuDk9wZwJjb3UmGtVCjxSl5eub/V0/YYIM9iMhzPBltp2tX/5h/mQAIDixSL/9fkazFUYdPrP/wh4X3JcQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lIX/qtnw; 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="lIX/qtnw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D73C5C16AAE; Wed, 19 Nov 2025 09:38:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763545106; bh=F5GbJ+oK66AHTo+N38MGPuUCLZSwic9TPhBuWD87HyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lIX/qtnw/ORNhXdHwNh4s47ytIZ7wzm4SghLF1/a7MXyBs9Qysm1bRrYATfofYAer 4PC9OKJ+eIsB+1GWsembyxSCnNeoGl5WwRbmuduSE5dpwOe59Snbcuq0obYXIDiakw lc5DY9ukPRTQ4k9LVYSuenNCzfLmysyZzOMBWE/iQNbJR6jtXTe6FONerli2qS96xY orKxNLUqS+m2lfcf96koeFgRNTidHI6toawUHD8sGoHXBl2qm6oQZbTj428qIVUxjG gs429ImkgFbPkI6R3S3H+P26uXG9Scph2ZMATAi3xtDLRiqolvd+AxMhDmjrzRMxHJ UKiMDAKUhMmsQ== From: Oliver Upton To: kvmarm@lists.linux.dev Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Oliver Upton Subject: [PATCH 2/2] KVM: arm64: Use kvzalloc() for kvm struct allocation Date: Wed, 19 Nov 2025 01:38:22 -0800 Message-ID: <20251119093822.2513142-3-oupton@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251119093822.2513142-1-oupton@kernel.org> References: <20251119093822.2513142-1-oupton@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Physically-allocated KVM structs aren't necessary when in VHE mode as there's no need to share with the hyp's address space. Of course, there can still be a performance benefit from physical allocations. Use kvzalloc() for opportunistic physical allocations. Signed-off-by: Oliver Upton --- arch/arm64/kvm/arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index e791fa52f874..ecbe2c8dc00c 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -440,7 +440,7 @@ struct kvm *kvm_arch_alloc_vm(void) if (!has_vhe()) return kzalloc(sz, GFP_KERNEL_ACCOUNT); - return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_ZERO); + return kvzalloc(sz, GFP_KERNEL_ACCOUNT); } int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id) -- 2.47.3