linux-kernel - Re: [PATCH v9 10/19] x86: Secure Launch SMP bringup support

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Date: Wed, 05 Jun 2024 01:46:42 +0300
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: <ross.philipson@...cle.com>, <linux-kernel@...r.kernel.org>,
 <x86@...nel.org>, <linux-integrity@...r.kernel.org>,
 <linux-doc@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
 <kexec@...ts.infradead.org>, <linux-efi@...r.kernel.org>,
 <iommu@...ts.linux-foundation.org>
Cc: <dpsmith@...rtussolutions.com>, <tglx@...utronix.de>,
 <mingo@...hat.com>, <bp@...en8.de>, <hpa@...or.com>,
 <dave.hansen@...ux.intel.com>, <ardb@...nel.org>, <mjg59@...f.ucam.org>,
 <James.Bottomley@...senpartnership.com>, <peterhuewe@....de>,
 <jgg@...pe.ca>, <luto@...capital.net>, <nivedita@...m.mit.edu>,
 <herbert@...dor.apana.org.au>, <davem@...emloft.net>, <corbet@....net>,
 <ebiederm@...ssion.com>, <dwmw2@...radead.org>, <baolu.lu@...ux.intel.com>,
 <kanth.ghatraju@...cle.com>, <andrew.cooper3@...rix.com>,
 <trenchboot-devel@...glegroups.com>
Subject: Re: [PATCH v9 10/19] x86: Secure Launch SMP bringup support

On Wed Jun 5, 2024 at 12:47 AM EEST,  wrote:
> > static inline bool slaunch_is_txt_launch(void)
> > {
> > 	u32 mask =  SL_FLAG_ACTIVE | SL_FLAG_ARCH_TXT;
> > 
> > 	return slaunch_get_flags() & mask == mask;
> > }
>
> Actually I think I can take your suggested change and move this function 
> to the main header files since this check is done elsewhere. And later I 
> can make others like slaunch_is_skinit_launch(). Thanks.

Yep, makes sense to me.

BR, Jarkko