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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435699271easm18632425f8f.14.2026.01.18.11.37.01 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 18 Jan 2026 11:37:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1768765023; x=1769369823; 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=GL8P56C3QKW+wYSnHUjfX38VQq1YNg4U4yN3Hx8cg1U=; b=YmW/PFD27jTpSY29jgk7p5cKJWBBx9KH0hbCEjm2Yg6qhSVUucBf8mZre7j6ACmdxC YAadl2r0iyGViiLsha7a13nHQZUbOSQqgfohCbTwn3WN0GCK9+UqeS0D1FMMnjz2QXrc KjfRKg0K3BLLxBYn07FG9GYWAxctGGE5IfpTxwMp4gt1zn5w+INbMpzGSUbYzsmKV6kF gzjRhZTSVV2ha/LFxRoSnhcERPamxv7kC5J0kvnHdfI860DYaf1uFETVqnfhML6Mjxhs MuE+FfqV7jGT8ZbAGA948JpoXRP/6KUFNTNQq5AmsUHdETLqwGCNEecVqjXGgKaMWg0I ZqZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768765023; x=1769369823; 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=GL8P56C3QKW+wYSnHUjfX38VQq1YNg4U4yN3Hx8cg1U=; b=vBj6Bs3lF0TTXnwtKB8FqaBBNbeHCunWo3xljvjDiE3rc8Aa1oW80i91mNmOoYoyX1 kJ2pwRekjgqvH13HLmdnZwbrtVnKvKGRZqDd9UntEypIMLSPIfe59LY/cFVcxqK6Q7Rv vGmzWuox44L7bQ+JRP6rEHWe3poqB/PuWtbYl3H5HD6wn3q9i/Pn7R7dxG4MfCDRh6Ib oylJsSSsguXd+2VfTxM9TRIeFKNlDRBfE94N8EotNl/YrUepYgc1mLAocXlh/VwC3D2l g9v6Y7cqEtxi6kiUsCm8fQ2/9u7O2bty5AKJkAMNDQc5GHpX6JGgofY+UUNHcCHSG7Ev n4dw== X-Gm-Message-State: AOJu0YyH4H+GCKGydvZxdXzhMFqpc6DG1V1GyVYq2dHy1yDBufzTfkXg eVrLZb0M2eJgCZRYQt5TMLhHqeS58x2dKS02ai0lCKYgO6toEoBdv2qvuJigKlc9HDh7aYRVX5b URHv7F9w= X-Gm-Gg: AY/fxX799nVEDA1aVxQwhC5a9iX0oGTaIQHue9wJ1mx5NRcywkMB1NI0lNoFtpnGkLO rsZ0ginU1ijx/6I4Z2WrmSWgzVnpalM2XOhK0t0gCuiIoaI2DSi3VTbborwLMzliDz1rQGmB+pr YXScKZcFSW7kHQEDD5HzriL+6VtCoMjfv1n+mbvURDBWwmPw0Gg6Ky9IzLahN6X9YrpEb7lFsad pHXmTuM0oNd1rIbwEQTB77XIoL4M+MxWnyZv+nqHqMiGum5HCV92X6y52cRTmhGRKqGM6Kfgr3w 1F8rJkLHelx73CBv14tRagAQGov2LtoyHAOEZDGGAFY0wcgQiGcv+/T92iKnVieZo6bz+yUe/dE dyzmtfOZZIrfbdais22wB39sRDg3Zxe8XEtiRN+hAWSJblDms6dJq7sDAwAU+hiD5kYUimGSX52 +3E2XH6xSAPlMikr5+0PM79kZF76sRb1qqp9I/eb1nK8zEOBIk8UlV1jIZOgN/ X-Received: by 2002:a05:6000:22c9:b0:432:dfea:1fb8 with SMTP id ffacd0b85a97d-4356999c714mr13114348f8f.27.1768765023066; Sun, 18 Jan 2026 11:37:03 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Peter Xu , Paolo Bonzini , Richard Henderson , Anton Johansson , Manos Pitsidianakis , Pierrick Bouvier Subject: [PATCH v6 16/18] system: Allow restricting the legacy tswap() 'native-endian' API Date: Sun, 18 Jan 2026 20:35:06 +0100 Message-ID: <20260118193509.42923-17-philmd@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260118193509.42923-1-philmd@linaro.org> References: <20260118193509.42923-1-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 (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::430; envelope-from=philmd@linaro.org; helo=mail-wr1-x430.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: 1768765129277158500 Guard the native endian APIs we want to remove by surrounding them with TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API #ifdef'ry. Once a target gets cleaned we'll set the definition in the target config, then the target won't be able to use the legacy API anymore. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- include/exec/tswap.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/exec/tswap.h b/include/exec/tswap.h index 72219e2c431..9e94fa0021c 100644 --- a/include/exec/tswap.h +++ b/include/exec/tswap.h @@ -21,6 +21,8 @@ #define target_needs_bswap() (HOST_BIG_ENDIAN !=3D target_big_endian()) #endif /* COMPILING_PER_TARGET */ =20 +#if defined(CONFIG_USER_ONLY) \ + || !defined(TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API) static inline uint16_t tswap16(uint16_t s) { if (target_needs_bswap()) { @@ -68,5 +70,6 @@ static inline void tswap64s(uint64_t *s) *s =3D bswap64(*s); } } +#endif =20 #endif /* TSWAP_H */ --=20 2.52.0