linux-kernel - [PATCH 6/9] x86/tboot: remove paravirt

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Message-Id: <1455887316-9223-7-git-send-email-mcgrof@kernel.org>
Date:	Fri, 19 Feb 2016 05:08:33 -0800
From:	"Luis R. Rodriguez" <mcgrof@...nel.org>
To:	bp@...en8.de
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org, luto@...capital.net,
	boris.ostrovsky@...cle.com, rusty@...tcorp.com.au,
	david.vrabel@...rix.com, konrad.wilk@...cle.com,
	xen-devel@...ts.xensource.com,
	"Luis R. Rodriguez" <mcgrof@...nel.org>
Subject: [PATCH 6/9] x86/tboot: remove paravirt_enabled()

There is already a check for boot_params.tboot_addr prior
to paravirt_enabled() and both Xen and lguest never set this.
This check is not needed.

Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>
---
 arch/x86/kernel/tboot.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index 91a4496db434..a2df1d3fab74 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -74,12 +74,6 @@ void __init tboot_probe(void)
 		return;
 	}
 
-	/* only a natively booted kernel should be using TXT */
-	if (paravirt_enabled()) {
-		pr_warning("non-0 tboot_addr but pv_ops is enabled\n");
-		return;
-	}
-
 	/* Map and check for tboot UUID. */
 	set_fixmap(FIX_TBOOT_BASE, boot_params.tboot_addr);
 	tboot = (struct tboot *)fix_to_virt(FIX_TBOOT_BASE);
-- 
2.7.0