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[192.237.175.120]) by mx.google.com with ESMTPS id z128si2409796ywd.210.2019.02.18.03.37.56 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 18 Feb 2019 03:37:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gvhDk-000250-5S; Mon, 18 Feb 2019 11:36:24 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gvhDi-00023m-M9 for xen-devel@lists.xenproject.org; Mon, 18 Feb 2019 11:36:22 +0000 X-Inumbo-ID: 6a006eb2-3371-11e9-bc90-bc764e045a96 Received: from foss.arm.com (unknown [217.140.101.70]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTP id 6a006eb2-3371-11e9-bc90-bc764e045a96; Mon, 18 Feb 2019 11:36:21 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 475E41650; Mon, 18 Feb 2019 03:36:21 -0800 (PST) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 565FE3F9E0; Mon, 18 Feb 2019 03:36:19 -0800 (PST) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Mon, 18 Feb 2019 11:35:58 +0000 Message-Id: <20190218113600.9540-8-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190218113600.9540-1-julien.grall@arm.com> References: <20190218113600.9540-1-julien.grall@arm.com> Subject: [Xen-devel] [PATCH for-next 7/9] xen: Convert is_xen_heap_mfn to use typesafe MFN X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: sstabellini@kernel.org, Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Jan Beulich , =?utf-8?q?Ro?= =?utf-8?q?ger_Pau_Monn=C3=A9?= MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" No functional changes. Signed-off-by: Julien Grall Reviewed-by: Jan Beulich Acked-by: Stefano Stabellini --- xen/arch/x86/mm.c | 9 +++++---- xen/arch/x86/mm/p2m.c | 2 +- xen/arch/x86/mm/shadow/multi.c | 2 +- xen/common/page_alloc.c | 4 ++-- xen/include/asm-arm/mm.h | 8 ++++---- xen/include/asm-x86/mm.h | 2 +- 6 files changed, 14 insertions(+), 13 deletions(-) diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c index df6e5bdd31..a1cd2fb421 100644 --- a/xen/arch/x86/mm.c +++ b/xen/arch/x86/mm.c @@ -4300,7 +4300,8 @@ int xenmem_add_to_physmap_one( { struct page_info *page = NULL; unsigned long gfn = 0; /* gcc ... */ - unsigned long prev_mfn, old_gpfn; + mfn_t prev_mfn; + unsigned long old_gpfn; int rc = 0; mfn_t mfn = INVALID_MFN; p2m_type_t p2mt; @@ -4349,12 +4350,12 @@ int xenmem_add_to_physmap_one( } /* Remove previously mapped page if it was present. */ - prev_mfn = mfn_x(get_gfn(d, gfn_x(gpfn), &p2mt)); - if ( mfn_valid(_mfn(prev_mfn)) ) + prev_mfn = get_gfn(d, gfn_x(gpfn), &p2mt); + if ( mfn_valid(prev_mfn) ) { if ( is_xen_heap_mfn(prev_mfn) ) /* Xen heap frames are simply unhooked from this phys slot. */ - rc = guest_physmap_remove_page(d, gpfn, _mfn(prev_mfn), PAGE_ORDER_4K); + rc = guest_physmap_remove_page(d, gpfn, prev_mfn, PAGE_ORDER_4K); else /* Normal domain memory is freed, to avoid leaking memory. */ rc = guest_remove_page(d, gfn_x(gpfn)); diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c index d14ce57dd5..40fed111b9 100644 --- a/xen/arch/x86/mm/p2m.c +++ b/xen/arch/x86/mm/p2m.c @@ -2910,7 +2910,7 @@ int p2m_add_foreign(struct domain *tdom, unsigned long fgfn, prev_mfn = get_gfn(tdom, gpfn, &p2mt_prev); if ( mfn_valid(prev_mfn) ) { - if ( is_xen_heap_mfn(mfn_x(prev_mfn)) ) + if ( is_xen_heap_mfn(prev_mfn) ) /* Xen heap frames are simply unhooked from this phys slot */ rc = guest_physmap_remove_page(tdom, _gfn(gpfn), prev_mfn, 0); else diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c index 7e9cbc69be..2d25e356d3 100644 --- a/xen/arch/x86/mm/shadow/multi.c +++ b/xen/arch/x86/mm/shadow/multi.c @@ -602,7 +602,7 @@ _sh_propagate(struct vcpu *v, * caching attributes in the shadows to match what was asked for. */ if ( (level == 1) && is_hvm_domain(d) && - !is_xen_heap_mfn(mfn_x(target_mfn)) ) + !is_xen_heap_mfn(target_mfn) ) { int type; diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c index 5de3686d85..e43c98d5cb 100644 --- a/xen/common/page_alloc.c +++ b/xen/common/page_alloc.c @@ -2121,9 +2121,9 @@ void init_xenheap_pages(paddr_t ps, paddr_t pe) * Yuk! Ensure there is a one-page buffer between Xen and Dom zones, to * prevent merging of power-of-two blocks across the zone boundary. */ - if ( ps && !is_xen_heap_mfn(paddr_to_pfn(ps)-1) ) + if ( ps && !is_xen_heap_mfn(_mfn(paddr_to_pfn(ps)-1)) ) ps += PAGE_SIZE; - if ( !is_xen_heap_mfn(paddr_to_pfn(pe)) ) + if ( !is_xen_heap_mfn(maddr_to_mfn(pe)) ) pe -= PAGE_SIZE; memguard_guard_range(maddr_to_virt(ps), pe - ps); diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h index b56018aace..a9c8352b94 100644 --- a/xen/include/asm-arm/mm.h +++ b/xen/include/asm-arm/mm.h @@ -138,16 +138,16 @@ extern vaddr_t xenheap_virt_start; #endif #ifdef CONFIG_ARM_32 -#define is_xen_heap_page(page) is_xen_heap_mfn(mfn_x(page_to_mfn(page))) +#define is_xen_heap_page(page) is_xen_heap_mfn(page_to_mfn(page)) #define is_xen_heap_mfn(mfn) ({ \ - unsigned long mfn_ = (mfn); \ + unsigned long mfn_ = mfn_x(mfn); \ (mfn_ >= mfn_x(xenheap_mfn_start) && \ mfn_ < mfn_x(xenheap_mfn_end)); \ }) #else #define is_xen_heap_page(page) ((page)->count_info & PGC_xen_heap) #define is_xen_heap_mfn(mfn) \ - (mfn_valid(_mfn(mfn)) && is_xen_heap_page(mfn_to_page(_mfn(mfn)))) + (mfn_valid(mfn) && is_xen_heap_page(mfn_to_page(mfn))) #endif #define is_xen_fixed_mfn(mfn) \ @@ -246,7 +246,7 @@ static inline paddr_t __virt_to_maddr(vaddr_t va) #ifdef CONFIG_ARM_32 static inline void *maddr_to_virt(paddr_t ma) { - ASSERT(is_xen_heap_mfn(ma >> PAGE_SHIFT)); + ASSERT(is_xen_heap_mfn(maddr_to_mfn(ma))); ma -= mfn_to_maddr(xenheap_mfn_start); return (void *)(unsigned long) ma + XENHEAP_VIRT_START; } diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h index f124f57964..1ca4154382 100644 --- a/xen/include/asm-x86/mm.h +++ b/xen/include/asm-x86/mm.h @@ -278,7 +278,7 @@ struct page_info #define is_xen_heap_page(page) ((page)->count_info & PGC_xen_heap) #define is_xen_heap_mfn(mfn) \ - (__mfn_valid(mfn) && is_xen_heap_page(mfn_to_page(_mfn(mfn)))) + (__mfn_valid(mfn_x(mfn)) && is_xen_heap_page(mfn_to_page(mfn))) #define is_xen_fixed_mfn(mfn) \ (((mfn_to_maddr(mfn)) >= __pa(&_stext)) && \ ((mfn_to_maddr(mfn)) <= __pa(&__2M_rwdata_end)))