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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-486ff109b95sm1697385e9.1.2026.03.19.12.10.40 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 19 Mar 2026 12:10:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1773947441; x=1774552241; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=urtBToIHoqmm7zXCsb5LBhu17lqcZ4qoLoYRqjsR7h0=; b=L2vBLHpR8PxQoLpaqYBn2JQwf4PvBhDyNv80+ulTiJug2kE0GNfJZy3rxoTax167ek wTzK6w2ZHBWqz20C2PRpy7aIYKVBpyoefGZckUVgVMRiYlIsCMfzQzjTkru4cMI8/x4s JLbjJuxegvvZxsltpnC6xecDmIt/4isdJZ3gzrtodslOUOgYn/FE3zEow1Ig3iRSTxvt MfWHOcyXbPO6vEVpyOYWpOuFDsdViACNs5dgwEka3OsiIx/rFYGUEvHnxQdZuqudiPEM EzUC4bUtKplpwc38jfJLuNfgndopP2erqi1f0Dv4J7hZTq10jFko6uAhi9Ddnc5deENk i+GA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773947441; x=1774552241; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=urtBToIHoqmm7zXCsb5LBhu17lqcZ4qoLoYRqjsR7h0=; b=aqDyOjPe+DwiS4fyY84qbrE2QEWLE9cV2hQRrtjVV7Nw6BPUgm6+MBVLPb2Moxq96e l02JfcEA2YXgfhfRXZw9NZJ8Y9sLSi7GMc9WfRrwG4c1+1BWBTGhoU0O+RuzCIK7YAK9 sG8jYcDiSn9aJoxvKvoqE0Nw9jxaB4aF7OgB+hqYaCiole1ZMKfwHkbS+8gKKjpOmWyC Rqcczp0lp6ZyuiMIZ49VaEvUAv4bUnJV8J2UWhByBPo++ZUk+iPSiG8CKBHrEeQulEF0 6gyx/L0Flt6zO/y8I4+CjWBWQlcSPhnvJVOwLiXz/RsMF1WCBZK5v1qJCIhyj2x/Xs8X gnBA== X-Gm-Message-State: AOJu0Yz13Ysg/s0rlRhISW4thhfOFdsFWVMFzEHVQ9s3SkxUS9MR59C1 C6utoxQG7FrkpugufBECnGFvG/4aL5COyp7WZBoDG/b6rFykWPrKmFPpKmXSL21SAxSC6KPzpC8 KzUxsn70= X-Gm-Gg: ATEYQzzfHPr0WrFtgaZRkR7qeZH0gy8Cn9NQA8ulYS0K/ZViHKW6vy2J73xpL5A/i20 W2TF4lCTerv84QW5EOtSvQzo4NhNuOG1rTVovQYjl0pMLfVk/ULO08RmDv9mKTg3j176Sl59IqK pZH8dhhbNMijdZ/Qvg5h10+uXt+xcX84hupxAR3hQ+Ebrvv7nk/iSQAqRG9B1RO8PmfR2zD26z6 Su7UahHjiw0+LhBb3fR+hmpm9JikUCQLjLe2auAlGnnGqfnDEKnlWhfp9c8nOXEkVQFaagzsoj5 8dopQNBtioj/zoevnceux37pAROk6iPq186WcaqzGoAX9Y4kXpMloZw4q5HdVl0OzXHbcC0TqXw Iu90mUE8kjWAwOuIuztdDJBwWG5ODROiX4xjfexCUFcaKitNRWToBY8Bf6Dgut+Pu6v08nNaNwY AVrLTTberAjZDWQu8XpWo69DV+WkqRBZDtpiQ1KFObH+HtJOf4/NtPMVGJZC36tNgUgUjJx2L9 X-Received: by 2002:a05:600c:350b:b0:485:3f58:da2 with SMTP id 5b1f17b1804b1-486fe8fcf64mr7383985e9.16.1773947441003; Thu, 19 Mar 2026 12:10:41 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , Paolo Bonzini , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH-for-11.1 3/8] system/memory: Constify various AddressSpace arguments (xlat) Date: Thu, 19 Mar 2026 20:10:12 +0100 Message-ID: <20260319191017.12636-4-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260319191017.12636-1-philmd@linaro.org> References: <20260319191017.12636-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=philmd@linaro.org; helo=mail-wm1-x329.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1773947493146154100 Mark the AddressSpace structure const when it is only accessed read-only. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/system/memory.h | 4 ++-- system/physmem.c | 10 ++++++---- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/system/memory.h b/include/system/memory.h index 858dc40dc5f..38e4f7b25e5 100644 --- a/include/system/memory.h +++ b/include/system/memory.h @@ -2783,7 +2783,7 @@ void address_space_flush_icache_range(AddressSpace *a= s, hwaddr addr, hwaddr len) /* address_space_get_iotlb_entry: translate an address into an IOTLB * entry. Should be called from an RCU critical section. */ -IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace *as, hwaddr addr, +IOMMUTLBEntry address_space_get_iotlb_entry(const AddressSpace *as, hwaddr= addr, bool is_write, MemTxAttrs attr= s); =20 /* address_space_translate: translate an address range into an address spa= ce @@ -2804,7 +2804,7 @@ MemoryRegion *flatview_translate(FlatView *fv, hwaddr *len, bool is_write, MemTxAttrs attrs); =20 -static inline MemoryRegion *address_space_translate(AddressSpace *as, +static inline MemoryRegion *address_space_translate(const AddressSpace *as, hwaddr addr, hwaddr *x= lat, hwaddr *len, bool is_w= rite, MemTxAttrs attrs) diff --git a/system/physmem.c b/system/physmem.c index 23ea6b69255..bbcbcedda15 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -528,19 +528,21 @@ static MemoryRegionSection flatview_do_translate(Flat= View *fv, } =20 /* Called from RCU critical section */ -IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace *as, hwaddr addr, +IOMMUTLBEntry address_space_get_iotlb_entry(const AddressSpace *as, hwaddr= addr, bool is_write, MemTxAttrs attr= s) { MemoryRegionSection section; hwaddr xlat, page_mask; + AddressSpace target_as =3D *as; + AddressSpace *ptarget_as =3D &target_as; =20 /* * This can never be MMIO, and we don't really care about plen, * but page mask. */ section =3D flatview_do_translate(address_space_to_flatview(as), addr,= &xlat, - NULL, &page_mask, is_write, false, &as, - attrs); + NULL, &page_mask, is_write, false, + &ptarget_as, attrs); =20 /* Illegal translation */ if (section.mr =3D=3D &io_mem_unassigned) { @@ -552,7 +554,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpac= e *as, hwaddr addr, section.offset_within_region; =20 return (IOMMUTLBEntry) { - .target_as =3D as, + .target_as =3D &target_as, .iova =3D addr & ~page_mask, .translated_addr =3D xlat & ~page_mask, .addr_mask =3D page_mask, --=20 2.53.0