linux-kernel - Re: [PATCH] x86/tdx: Fix crash on kexec

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Message-ID: <nx7jjplwvtmxsq675omsi5hc5oxceiffpmkqx754azuv7ee2zh@7fttse2hssti>
Date: Thu, 4 Jul 2024 17:28:31 +0300
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Dexuan Cui <decui@...rosoft.com>
Cc: Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, "x86@...nel.org" <x86@...nel.org>, 
	"H. Peter Anvin" <hpa@...or.com>, Michael Kelley <mikelley@...rosoft.com>, 
	Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>, Kai Huang <kai.huang@...el.com>, 
	Rick Edgecombe <rick.p.edgecombe@...el.com>, "linux-coco@...ts.linux.dev" <linux-coco@...ts.linux.dev>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/tdx: Fix crash on kexec

On Wed, Jul 03, 2024 at 07:16:47PM +0000, Dexuan Cui wrote:
> > -----Original Message-----
> > From: Borislav Petkov <bp@...en8.de>
> > Sent: Saturday, June 29, 2024 12:41 PM
> > To: Dexuan Cui <decui@...rosoft.com>
> > Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>; Dave Hansen
> > <dave.hansen@...ux.intel.com>; Thomas Gleixner <tglx@...utronix.de>;
> > Ingo Molnar <mingo@...hat.com>; x86@...nel.org; H. Peter Anvin
> > <hpa@...or.com>; Michael Kelley <mikelley@...rosoft.com>;
> > Kuppuswamy Sathyanarayanan
> > <sathyanarayanan.kuppuswamy@...ux.intel.com>; Kai Huang
> > <kai.huang@...el.com>; Rick Edgecombe <rick.p.edgecombe@...el.com>;
> > linux-coco@...ts.linux.dev; linux-kernel@...r.kernel.org
> > Subject: Re: [PATCH] x86/tdx: Fix crash on kexec
> > 
> > On Sat, Jun 29, 2024 at 07:27:57PM +0000, Dexuan Cui wrote:
> > > It would be great to add e1b8ac3aae58 to the branch x86/tdx.
> > 
> > Sure we will, once it is properly tested. This very thread says otherwise.
> > --
> > Regards/Gruss,
> >     Boris.
> 
> Hi Kirill, Dave,
> Do you think if it's a good idea if I post a new patch that combines
>     e1b8ac3aae58 ("x86/tdx: Support vmalloc() for tdx_enc_status_changed()")
> and
>     your patch "[PATCH] x86/tdx: Fix crash on kexec"?

Yeah, IIUC, that's what Borislav wanted. After proper testing.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov