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