Re: [PATCH] Fix SEV-ES INS/OUTS instructions for word, dword, and qword.

[Joerg Roedel]

Hi Michael,

On Wed, Nov 17, 2021 at 06:13:26PM -0800, Michael Sterritt wrote:
> Properly type the operands being passed to __put_user()/__get_user().
> Otherwise, these routines truncate data for dependent instructions
> (e.g., INSW) and only read/write one byte.
> 
> Tested: Tested by sending a string with `REP OUTSW` to a port and then
> reading it back in with `REP INSW` on the same port. Previous behavior
> was to only send and receive the first char of the size. For example,
> word operations for "abcd" would only read/write "ac". With change, the
> full string is now written and read back.

Thanks for fixing this! When you re-send, please change the subject to

	x86/sev-es: Fix SEV-ES INS/OUTS instructions for word, dword, and qword

Regards,

-- 
Jörg Rödel
jroedel@xxxxxxx

SUSE Software Solutions Germany GmbH
Maxfeldstr. 5
90409 Nürnberg
Germany
 
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev