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[92.26.102.188]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d193d4f09sm609436115e9.12.2025.12.30.05.50.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Dec 2025 05:50:55 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 90e37f5f-e586-11f0-9ccf-f158ae23cfc8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1767102656; x=1767707456; darn=lists.xenproject.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=QtIxME32IcIk9TL5Lyl1j6oY1OupajCDrpTY+bON6y0=; b=rxYGKRtY5KyM8OBR2oFd7WllbmBKLIc99mmihfHiRLZjTFni0ajRKKQGuKjTBw/fmM BDaMMP2vG4azqyIJKAfP1nf7ic4jsycJci18xPdn6O2/CPHgKh4gzHAgb7UzJC+NZYf4 vG13Gd0SqKw+asx9ISUV3dDN9rIZpTpJ6B2oU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767102656; x=1767707456; 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=QtIxME32IcIk9TL5Lyl1j6oY1OupajCDrpTY+bON6y0=; b=jAw6RNYsZGWKJWLIrOBL6ZmeBMWsfwnkAcLhBvnFOePvHr1vvcflTLzTZJ8+qhRn2Q fPIjYFFhM8QAefNUB3++jKllh0lYUY010sgpA8fBaGVeRrATqZcQZcdwDeqCtrZ8No+E Ssxe73JDX9QfHcq4gRuTYFI0wLpPwPInA59Ng8l1FNlfDu9dHbNkZ5nsSxmZR+XBNoIj StRIlx6D2iXOJPf7YQI/9hJJQCaQaTHvsguNaCh9nVzjDZVseviRbO9m50cpbyKuu4UZ v6m9lTu0dw88GsijRmB7EwJdenVOD7aAYpYWlYK9JO+l06v0a3f4AM7eeXQwC0X9a9Es ajJg== X-Gm-Message-State: AOJu0YxPfR7fB6yktP/qoUzOB1XUa5nezWvsgQlw+861tSrmQWshTwrl lWch084WzwohnYvrujcZPVuF8ZAudc9IaZE8d06sozQPmTmVR6g++BEw4IhPqbLw11mCCVIRHyo UK1d8 X-Gm-Gg: AY/fxX6VeQ2OP3gNbMoRYl8MNao7xnh2hJLm+hLAId0QnsM90tetukqdzi+CLT91btd ItNYVgg7VR1vrgdbXeIqfz5NzckG7UU7KfuMWTLprE3LHjyzjQoPtlhq0ZxYBLhLMw3h1kwjp3k fs8W5OJ1QSjeVnsyJDXnPYb2uHWlTPK1S9lFIRldCtA0KtO1i8PgXGmbzPmMn3Hacmx8qxt2QXo aaPrtYuEbUgx5GJJqjRuw5C62609VARgcHfQKPJMszqNmk3Wkd3tcNIS8idyt/wNfwEjvXMDKqF 9tQo2Y41pC/LnLJHXTaLSBMnhpTjG8AzQ76K/0EFNWf4a2WR7xZ3PEfG681kX1coibMuflaGe+z C3FzMPx8nZxnUNQWbpstNy7IqAZhigwz5a/VBGO0npngZPuSicJgpdm4OzsEcIi4uo6mw3CaxhU N6j1cUxhrKQ1Gp7X5ijqi9Y57Hl3ALVjTfMCbrblrdLGYn47aqjNvo6tGjraBFRg== X-Google-Smtp-Source: AGHT+IGz0VmipjnUFVNKm5p4tVaOUfiltMaYqpjQFXB0M9G7EvjahUMK1UkSoaBtRX248rO2/cvc+A== X-Received: by 2002:a05:600c:4e8f:b0:477:df7:b020 with SMTP id 5b1f17b1804b1-47d1957da79mr353493175e9.18.1767102655949; Tue, 30 Dec 2025 05:50:55 -0800 (PST) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini , Julien Grall , Volodymyr Babchuk , Bertrand Marquis , Michal Orzel , Oleksii Kurochko Subject: [PATCH 1/5] xen: Fix endian handling in muldiv64.c Date: Tue, 30 Dec 2025 13:50:46 +0000 Message-Id: <20251230135050.188191-2-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251230135050.188191-1-andrew.cooper3@citrix.com> References: <20251230135050.188191-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1767102677639158500 WORDS_BIGENDIAN is a QEMU-ism. In the very dim and distant past, we had a fork of QEMU living in xen.git which wired WORDS_BIGENDIAN in the userspace part of the build, but nothing ever wired it up in the hypervisor build. Fixes: 86d5da49a6f7 ("[HVM] Support multiple HVM time device models coming = soon.") Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Stefano Stabellini CC: Julien Grall CC: Volodymyr Babchuk CC: Bertrand Marquis CC: Michal Orzel CC: Oleksii Kurochko I'm not sure that this wants backporting, seeing as we have no big-endian architectures at all. Otherwse, 4.20 and older can't rely on the existence= of __LITTLE_ENDIAN on older toolchains. --- xen/lib/muldiv64.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/xen/lib/muldiv64.c b/xen/lib/muldiv64.c index 79411f5d59ea..f281578c09a4 100644 --- a/xen/lib/muldiv64.c +++ b/xen/lib/muldiv64.c @@ -13,10 +13,12 @@ uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) union { uint64_t ll; struct { -#ifdef WORDS_BIGENDIAN +#if defined(__BIG_ENDIAN) uint32_t high, low; -#else +#elif defined(__LITTLE_ENDIAN) uint32_t low, high; +#else +# error Unknown Endianness #endif } l; } u, res; --=20 2.39.5