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([94.75.70.14]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a6fcf560627sm521042666b.148.2024.06.25.06.52.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Jun 2024 06:52:05 -0700 (PDT) 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: 1c0d25c5-32fa-11ef-90a3-e314d9c70b13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719323526; x=1719928326; 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=EblDpIRqRIu3BssT9RZ6RoIeDsTXprjPCYVIxMbl8gI=; b=EozEWgb0+wOnZ2mDjIiM4cZZGiLvuwVpGFKAn3SmGtOIRHEndWdw9qS9Y2NDYDwQ4Y UwyecA4SxwD0tZEqcf7EGjh3wfQ+IluhcJRwKXoVJ3z1jUzpao5YbqrkEH+2X2QzfdKU JQOiqfhW1tq0hN2dt3VaKJfiISR818+80rxf3h6dGuoLZFjHqVhitC2sCnViwgQmRYcz qV9Uc0pzIJNtfIksBs/Yw/olg4lc1vc5map/D5J1eiwSvaaGrDMdYksxMczuOXZNbE2x 0vnaGjPjnyj49PyCIA6B/+1GojKD3Bq117wLt/JpUqewif+VS3PsZVZYeIWVokLv3tVJ AqeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719323526; x=1719928326; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=EblDpIRqRIu3BssT9RZ6RoIeDsTXprjPCYVIxMbl8gI=; b=QLhGAzblM1ZPkZ7pqonTrtgayB3U1pStm2Ic2iCxxxUO5/FH3lwmeS0cwshLqvXxX1 gugZqNEV/kYEt+CtsFMW6fNPsMDqkcq0eNCascvOHClfhn8Z8BvfEUI9fLFM568euiwd MYSc/3JX5LjCeaK6hb+CxZvsxEkSAZ532G/iaTfIhgHNT4270mq9gW1dXDITnPoy4sZ8 9Ru7jx+whv7jkPbWYawCMnFaVsmQTMjosEumcKCm+D2FKt/VKGDQ5nvIt1Bl4I3Yzya1 fKlXIrY6t7och2AT47UGNChflsXKWqRVctD66HdeBRlgiHcLU29DoWeBxZ8jGWaoFWTo iprA== X-Gm-Message-State: AOJu0Ywa1t2JLZC1takviX1l2WxGzMFVf97Tk3xqWHZ45idRuITCDYWI p5+QYtCyz5kXd6F3260OcWfHOB84e3XKRO8PIAYYLw9yaQWAdHcH1ggRQgFx X-Google-Smtp-Source: AGHT+IFQTMqbBSaOKEkbk9WjjORj/cTDkO5SVUJaZVfMFzNjweNugVIyDCceDNj3AhdImrkJdPGWCw== X-Received: by 2002:a17:907:c78e:b0:a72:4b31:13b5 with SMTP id a640c23a62f3a-a727f855270mr42506766b.54.1719323525897; Tue, 25 Jun 2024 06:52:05 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Alistair Francis , Bob Eshleman , Connor Davis , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini Subject: [PATCH v13 08/10] xen/riscv: change .insn to .byte in cpu_relax() Date: Tue, 25 Jun 2024 15:51:50 +0200 Message-ID: X-Mailer: git-send-email 2.45.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1719323547489100007 Content-Type: text/plain; charset="utf-8" The .insn directive appears to check that the byte pattern is a known extension, where .4byte doesn't. The following compilation error occurs: ./arch/riscv/include/asm/processor.h: Assembler messages: ./arch/riscv/include/asm/processor.h:70: Error: unrecognized opcode `0x01= 00000F' In case of the following Binutils: $ riscv64-linux-gnu-as --version GNU assembler (GNU Binutils for Debian) 2.35.2 Suggested-by: Andrew Cooper Signed-off-by: Oleksii Kurochko --- Changes in V13: - new patch --- xen/arch/riscv/include/asm/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/riscv/include/asm/processor.h b/xen/arch/riscv/includ= e/asm/processor.h index 6846151717..0e75122efb 100644 --- a/xen/arch/riscv/include/asm/processor.h +++ b/xen/arch/riscv/include/asm/processor.h @@ -67,7 +67,7 @@ static inline void cpu_relax(void) __asm__ __volatile__ ( "pause" ); #else /* Encoding of the pause instruction */ - __asm__ __volatile__ ( ".insn 0x0100000F" ); + __asm__ __volatile__ ( ".byte 0x0100000F" ); #endif =20 barrier(); --=20 2.45.2