From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 19367304BB3 for ; Mon, 2 Mar 2026 13:56:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772459787; cv=none; b=DOyLpEd9TyUaDjjYb82dBFMFe/wDZ2Csp4qRNdmhZ+0v80x5FwnhQWmhbH8sbt1kgIe1qK5jQ8qkpgD5mYTfNwS35RgtE8m4+LtWXTrnKGaxMufDy+lK2qzw6iIs9mDwRK3IQ7yLZtVZtq9mEvXA/fWPtKQjpurTZMyOzf40KHg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772459787; c=relaxed/simple; bh=xRCO9o4moicUEZiQ6OHjLIAhY38t25tbYpduMQqSP28=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Q+cchB5oHaqRxD8driF+mjrU2hmzlPXQxajgIeLy20F4QKzZkgrMLIIXo7NQXKUYBqj6ii8Mn5tbQzY2yizQKf0sCDQME3g+33KBBUsmdwhcR8lK9WtD6uEC0/Io0Og4NxXDxo1GMC+jHzozM0BE5R6VbcRK8CMi5ICl5vC92YQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5167A165C; Mon, 2 Mar 2026 05:56:19 -0800 (PST) Received: from e125769.cambridge.arm.com (e125769.cambridge.arm.com [10.1.196.27]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A51953F73B; Mon, 2 Mar 2026 05:56:23 -0800 (PST) From: Ryan Roberts To: Will Deacon , Ard Biesheuvel , Catalin Marinas , Mark Rutland , Linus Torvalds , Oliver Upton , Marc Zyngier , Dev Jain , Linu Cherian , Jonathan Cameron Cc: Ryan Roberts , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Linu Cherian Subject: [PATCH v3 04/13] arm64: mm: Push __TLBI_VADDR() into __tlbi_level() Date: Mon, 2 Mar 2026 13:55:51 +0000 Message-ID: <20260302135602.3716920-5-ryan.roberts@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260302135602.3716920-1-ryan.roberts@arm.com> References: <20260302135602.3716920-1-ryan.roberts@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Will Deacon The __TLBI_VADDR() macro takes an ASID and an address and converts them into a single argument formatted correctly for a TLB invalidation instruction. Rather than have callers worry about this (especially in the case where the ASID is zero), push the macro down into __tlbi_level() via a new __tlbi_level_asid() helper. Signed-off-by: Will Deacon Reviewed-by: Linu Cherian Reviewed-by: Jonathan Cameron Signed-off-by: Ryan Roberts --- arch/arm64/include/asm/tlbflush.h | 14 ++++++++++---- arch/arm64/kernel/sys_compat.c | 2 +- arch/arm64/kvm/hyp/nvhe/mm.c | 2 +- arch/arm64/kvm/hyp/nvhe/tlb.c | 2 -- arch/arm64/kvm/hyp/pgtable.c | 4 ++-- arch/arm64/kvm/hyp/vhe/tlb.c | 2 -- 6 files changed, 14 insertions(+), 12 deletions(-) diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h index e586d9b71ea2d..2832305606b72 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -142,9 +142,10 @@ static __always_inline void ipas2e1is(u64 arg) __tlbi(ipas2e1is, arg); } -static __always_inline void __tlbi_level(tlbi_op op, u64 addr, u32 level) +static __always_inline void __tlbi_level_asid(tlbi_op op, u64 addr, u32 level, + u16 asid) { - u64 arg = addr; + u64 arg = __TLBI_VADDR(addr, asid); if (alternative_has_cap_unlikely(ARM64_HAS_ARMv8_4_TTL) && level <= 3) { u64 ttl = level | (get_trans_granule() << 2); @@ -155,6 +156,11 @@ static __always_inline void __tlbi_level(tlbi_op op, u64 addr, u32 level) op(arg); } +static inline void __tlbi_level(tlbi_op op, u64 addr, u32 level) +{ + __tlbi_level_asid(op, addr, level, 0); +} + /* * This macro creates a properly formatted VA operand for the TLB RANGE. The * value bit assignments are: @@ -511,8 +517,7 @@ do { \ if (!system_supports_tlb_range() || \ __flush_pages == 1 || \ (lpa2 && __flush_start != ALIGN(__flush_start, SZ_64K))) { \ - addr = __TLBI_VADDR(__flush_start, asid); \ - __tlbi_level(op, addr, tlb_level); \ + __tlbi_level_asid(op, __flush_start, tlb_level, asid); \ __flush_start += stride; \ __flush_pages -= stride >> PAGE_SHIFT; \ continue; \ @@ -685,6 +690,7 @@ static inline bool huge_pmd_needs_flush(pmd_t oldpmd, pmd_t newpmd) #define huge_pmd_needs_flush huge_pmd_needs_flush #undef __tlbi_user +#undef __TLBI_VADDR #endif #endif diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c index b9d4998c97efa..7e9860143add8 100644 --- a/arch/arm64/kernel/sys_compat.c +++ b/arch/arm64/kernel/sys_compat.c @@ -36,7 +36,7 @@ __do_compat_cache_op(unsigned long start, unsigned long end) * The workaround requires an inner-shareable tlbi. * We pick the reserved-ASID to minimise the impact. */ - __tlbi(aside1is, __TLBI_VADDR(0, 0)); + __tlbi(aside1is, 0UL); __tlbi_sync_s1ish(); } diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c index 218976287d3fe..4d8fcc7a3a41e 100644 --- a/arch/arm64/kvm/hyp/nvhe/mm.c +++ b/arch/arm64/kvm/hyp/nvhe/mm.c @@ -270,7 +270,7 @@ static void fixmap_clear_slot(struct hyp_fixmap_slot *slot) * https://lore.kernel.org/kvm/20221017115209.2099-1-will@kernel.org/T/#mf10dfbaf1eaef9274c581b81c53758918c1d0f03 */ dsb(ishst); - __tlbi_level(vale2is, __TLBI_VADDR(addr, 0), level); + __tlbi_level(vale2is, addr, level); __tlbi_sync_s1ish_hyp(); isb(); } diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c index 3dc1ce0d27fe6..b29140995d484 100644 --- a/arch/arm64/kvm/hyp/nvhe/tlb.c +++ b/arch/arm64/kvm/hyp/nvhe/tlb.c @@ -158,7 +158,6 @@ void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ - ipa >>= 12; __tlbi_level(ipas2e1is, ipa, level); /* @@ -188,7 +187,6 @@ void __kvm_tlb_flush_vmid_ipa_nsh(struct kvm_s2_mmu *mmu, * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ - ipa >>= 12; __tlbi_level(ipas2e1, ipa, level); /* diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 9b480f947da26..30226f2d5564a 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -490,14 +490,14 @@ static int hyp_unmap_walker(const struct kvm_pgtable_visit_ctx *ctx, kvm_clear_pte(ctx->ptep); dsb(ishst); - __tlbi_level(vae2is, __TLBI_VADDR(ctx->addr, 0), TLBI_TTL_UNKNOWN); + __tlbi_level(vae2is, ctx->addr, TLBI_TTL_UNKNOWN); } else { if (ctx->end - ctx->addr < granule) return -EINVAL; kvm_clear_pte(ctx->ptep); dsb(ishst); - __tlbi_level(vale2is, __TLBI_VADDR(ctx->addr, 0), ctx->level); + __tlbi_level(vale2is, ctx->addr, ctx->level); *unmapped += granule; } diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c index 35855dadfb1b3..f7b9dfe3f3a5a 100644 --- a/arch/arm64/kvm/hyp/vhe/tlb.c +++ b/arch/arm64/kvm/hyp/vhe/tlb.c @@ -104,7 +104,6 @@ void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ - ipa >>= 12; __tlbi_level(ipas2e1is, ipa, level); /* @@ -136,7 +135,6 @@ void __kvm_tlb_flush_vmid_ipa_nsh(struct kvm_s2_mmu *mmu, * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ - ipa >>= 12; __tlbi_level(ipas2e1, ipa, level); /* -- 2.43.0