On Mon, Aug 02, 2021 at 03:11:40PM +0200, Juergen Gross wrote:
> As those cases are all mutually exclusive, wouldn't a static_call() be
> the appropriate solution?
Right, static_call() is even better, thanks.
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On 02.08.21 14:01, Joerg Roedel wrote:
On Wed, Jul 28, 2021 at 08:29:41AM -0700, Dave Hansen wrote:
__set_memory_enc_dec() is turning into a real mess. SEV, TDX and now
Hyper-V are messing around in here.
I was going to suggest a PV_OPS call where the fitting implementation
for the guest envi
On 8/2/2021 8:01 PM, Joerg Roedel wrote:
On Wed, Jul 28, 2021 at 08:29:41AM -0700, Dave Hansen wrote:
__set_memory_enc_dec() is turning into a real mess. SEV, TDX and now
Hyper-V are messing around in here.
I was going to suggest a PV_OPS call where the fitting implementation
for the guest
On Wed, Jul 28, 2021 at 08:29:41AM -0700, Dave Hansen wrote:
> __set_memory_enc_dec() is turning into a real mess. SEV, TDX and now
> Hyper-V are messing around in here.
I was going to suggest a PV_OPS call where the fitting implementation
for the guest environment can be plugged in at boot. Ther
On 7/30/2021 12:05 AM, Dave Hansen wrote:
On 7/29/21 8:02 AM, Tianyu Lan wrote:
There is x86_hyper_type to identify hypervisor type and we may check
this variable after checking X86_FEATURE_HYPERVISOR.
static inline bool hv_is_isolation_supported(void)
{
if (!cpu_feature_enabled(X86_FEA
On 7/29/21 8:02 AM, Tianyu Lan wrote:
>>
>
> There is x86_hyper_type to identify hypervisor type and we may check
> this variable after checking X86_FEATURE_HYPERVISOR.
>
> static inline bool hv_is_isolation_supported(void)
> {
> if (!cpu_feature_enabled(X86_FEATURE_HYPERVISOR))
> ret
On 7/29/2021 10:09 PM, Dave Hansen wrote:
On 7/29/21 6:01 AM, Tianyu Lan wrote:
On 7/29/2021 1:06 AM, Dave Hansen wrote:
On 7/28/21 7:52 AM, Tianyu Lan wrote:
@@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long
addr, int numpages, bool enc)
int ret;
/* Nothing t
On 7/29/21 6:01 AM, Tianyu Lan wrote:
> On 7/29/2021 1:06 AM, Dave Hansen wrote:
>> On 7/28/21 7:52 AM, Tianyu Lan wrote:
>>> @@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long
>>> addr, int numpages, bool enc)
>>> int ret;
>>> /* Nothing to do if memory encryption is
On 7/29/2021 1:06 AM, Dave Hansen wrote:
On 7/28/21 7:52 AM, Tianyu Lan wrote:
@@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long addr, int
numpages, bool enc)
int ret;
/* Nothing to do if memory encryption is not active */
- if (!mem_encrypt_active())
+
Hi Dave:
Thanks for your review.
On 7/28/2021 11:29 PM, Dave Hansen wrote:
On 7/28/21 7:52 AM, Tianyu Lan wrote:
@@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long addr, int
numpages, bool enc)
int ret;
/* Nothing to do if memory encryption is not active */
On 7/28/21 7:52 AM, Tianyu Lan wrote:
> @@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long addr, int
> numpages, bool enc)
> int ret;
>
> /* Nothing to do if memory encryption is not active */
> - if (!mem_encrypt_active())
> + if (hv_is_isolation_supported()
On 7/28/21 7:52 AM, Tianyu Lan wrote:
> @@ -1986,7 +1988,9 @@ static int __set_memory_enc_dec(unsigned long addr, int
> numpages, bool enc)
> int ret;
>
> /* Nothing to do if memory encryption is not active */
> - if (!mem_encrypt_active())
> + if (hv_is_isolation_supported()
From: Tianyu Lan
Add new hvcall guest address host visibility support to mark
memory visible to host. Call it inside set_memory_decrypted
/encrypted().
Signed-off-by: Tianyu Lan
---
arch/x86/hyperv/Makefile | 2 +-
arch/x86/hyperv/ivm.c | 112 ++
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