From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 771DBCDE001 for ; Thu, 25 Jun 2026 17:44:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:Date:Subject:In-Reply-To:References:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Kyjn1XSSFV58s+xzTe6JzUKJQyHLDtnE8CF0wlcJZv4=; b=bJYBxGix/KQ2HpP0lvASfb4JlD /OVPXoAm0MRd5Sr8mE/FcaVMg0l0oZDvhQx+/1lvtUlGagoN0vzOekq9OfiWlLq+VsweJShg5N3+o 2bH3mRs4XnvkzSJsX0p6XTprqt7pV3gZxLEpmwsYQSSVHXrel+sTY2PzPqFGF/b2beDMiUNTe9pIO dcKDp4UCaERhgWYn8C6UG8cmZaXtMESLGnLSwjgA4dyYN3zit/ti2Lkju3TsF6+AuCn3b6Vjhib/G +k6YT6sQFt4AsvvbB+7BCLlmYMqXFaiQnO5YZR96yZ2qzv92XTjGDr1cxkZbIGIjtUlw5LKfysSVy 30saj6Mw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wco7c-00000009cb0-1q5l; Thu, 25 Jun 2026 17:44:16 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wco7a-00000009caU-0xMJ for linux-arm-kernel@lists.infradead.org; Thu, 25 Jun 2026 17:44:15 +0000 Received: from DairyQueen (unknown [4.194.122.136]) by linux.microsoft.com (Postfix) with ESMTPSA id 9E9C020B7169; Thu, 25 Jun 2026 10:44:02 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 9E9C020B7169 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1782409449; bh=Kyjn1XSSFV58s+xzTe6JzUKJQyHLDtnE8CF0wlcJZv4=; h=From:To:Cc:References:In-Reply-To:Subject:Date:From; b=VCooPUmwR/wlrM2n6KX/vnrc83rJeGIC/OlIu/bNZ+mxcX9vX4C0BkVWWe/l5FcFz dzRI9NJWTfCx8eCjt7Sk/EUiLvqOtyf5E2zCLdcVuIJDi3nlfjQ/pw0LYseh5rnOUf etjYJztVs+bKPWObYamRLHTgwhkaBtpqkpMIDCcs= From: "Kameron Carr" To: "'Michael Kelley'" Cc: , , , , , , , , , , , , , , , References: <20260609181030.2378391-1-kameroncarr@linux.microsoft.com> <20260609181030.2378391-2-kameroncarr@linux.microsoft.com> In-Reply-To: Subject: RE: [RFC PATCH 1/6] arm64: rsi: Add RSI host call structure and helper function Date: Thu, 25 Jun 2026 10:44:04 -0700 Message-ID: <001901dd04ca$3d2d3260$b7879720$@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQIqsf51yBS/Or0EhgWD9giRtIuOSwGQcImIAlNLHk21lRJa8A== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260625_104414_318222_DF5473CD X-CRM114-Status: GOOD ( 12.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thursday, June 18, 2026 10:46 AM, Michael Kelley wrote: > From: Kameron Carr Sent: Tuesday, June > 9, 2026 11:10 AM > > diff --git a/arch/arm64/include/asm/rsi_smc.h > b/arch/arm64/include/asm/rsi_smc.h > > index e19253f96c940..ffea93340ed7f 100644 > > --- a/arch/arm64/include/asm/rsi_smc.h > > +++ b/arch/arm64/include/asm/rsi_smc.h > > @@ -142,6 +142,12 @@ struct realm_config { > > */ > > } __aligned(0x1000); > > > > +struct rsi_host_call { > > + u16 immediate; > > I don't see the "immediate" used anywhere in this patch set. > Is it always zero for the Hyper-V use cases? Just curious ... Yes, the immediate value is always zero for Hyper-V host calls. -- Kameron