On 12/12/22 05:21, Rijo Thomas wrote:
On 12/10/2022 2:31 AM, Tom Lendacky wrote:
On 12/6/22 06:30, Rijo Thomas wrote:
For AMD Secure Processor (ASP) to map and access TEE ring buffer, the
ring buffer address sent by host to ASP must be a real physical
address and the pages must be physically
ASP.
This patch also exports two APIs (one for buffer allocation and
another to free the buffer). This API can be used by AMD-TEE driver to
share buffers with TEE.
Fixes: 33960acccfbd ("crypto: ccp - add TEE support for Raven Ridge")
Cc: Tom Lendacky
Cc: sta...@vger.kernel.org
Sig
On 9/24/21 4:51 AM, Borislav Petkov wrote:
On Fri, Sep 24, 2021 at 12:41:32PM +0300, Kirill A. Shutemov wrote:
On Thu, Sep 23, 2021 at 08:21:03PM +0200, Borislav Petkov wrote:
On Thu, Sep 23, 2021 at 12:05:58AM +0300, Kirill A. Shutemov wrote:
Unless we find other way to guarantee RIP-relative
On 9/21/21 4:58 PM, Kirill A. Shutemov wrote:
On Tue, Sep 21, 2021 at 04:43:59PM -0500, Tom Lendacky wrote:
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
I
On 9/21/21 4:34 PM, Kirill A. Shutemov wrote:
On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote:
On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote:
I still believe calling cc_platform_has() from __startup_64() is totally
broken as it lacks proper wrapping while ac
On 9/20/21 2:23 PM, Kirill A. Shutemov wrote:
On Wed, Sep 08, 2021 at 05:58:36PM -0500, Tom Lendacky wrote:
diff --git a/arch/x86/mm/mem_encrypt_identity.c
b/arch/x86/mm/mem_encrypt_identity.c
index 470b20208430..eff4d19f9cb4 100644
--- a/arch/x86/mm/mem_encrypt_identity.c
+++ b/arch/x86/mm
On 9/9/21 2:25 AM, Christophe Leroy wrote:
On 9/8/21 10:58 PM, Tom Lendacky wrote:
diff --git a/arch/powerpc/include/asm/mem_encrypt.h
b/arch/powerpc/include/asm/mem_encrypt.h
index ba9dab07c1be..2f26b8fc8d29 100644
--- a/arch/powerpc/include/asm/mem_encrypt.h
+++ b/arch/powerpc/include
On 9/9/21 2:32 AM, Christian Borntraeger wrote:
On 09.09.21 00:58, Tom Lendacky wrote:
This patch series provides a generic helper function, cc_platform_has(),
to replace the sme_active(), sev_active(), sev_es_active() and
mem_encrypt_active() functions.
It is expected that as new
: Maxime Ripard
Cc: Thomas Zimmermann
Cc: VMware Graphics
Cc: Joerg Roedel
Cc: Will Deacon
Cc: Dave Young
Cc: Baoquan He
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: Christian Borntraeger
Signed-off-by: Tom Lendacky
---
arch
Petkov
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel/sev.c | 6 +++---
arch/x86/mm/mem_encrypt.c | 14 --
arch/x86/realmode/init.c | 3 +--
4 files changed, 8 insertions(+), 17 deletions(-)
diff --git a
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Ard Biesheuvel
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel/crash_dump_64.c| 4 +++-
arch/x86/kernel/kvm.c | 3 ++-
arch/x86/kernel/kvmclock.c | 4 ++--
arch/x86
geared
towards detecting if SME is active.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Joerg Roedel
Cc: Will Deacon
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/kexec.h | 2 +-
arch/x86/include/asm
Signed-off-by: Tom Lendacky
---
arch/powerpc/platforms/pseries/Kconfig | 1 +
arch/powerpc/platforms/pseries/Makefile | 2 ++
arch/powerpc/platforms/pseries/cc_platform.c | 26
3 files changed, 29 insertions(+)
create mode 100644 arch/powerpc/platforms/pseries
Signed-off-by: Andi Kleen
Co-developed-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Tom Lendacky
---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/mem_encrypt.h | 3 +++
arch/x86/kernel/Makefile | 3 +++
arch/x86/kernel
the code (e.g. if (sev_active() || tdx_active())).
Co-developed-by: Andi Kleen
Signed-off-by: Andi Kleen
Co-developed-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Tom Lendacky
---
arch/Kconfig| 3 ++
include/linux/cc_platform.h
ypted() is conditionally built as well,
but requires a static inline version of it when CONFIG_AMD_MEM_ENCRYPT is
not set.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/io.
_guest.h header file to prevent
build errors outside of x86.
- Made amd_prot_guest_has() EXPORT_SYMBOL_GPL
- Used amd_prot_guest_has() in place of checking sme_me_mask in the
arch/x86/mm/mem_encrypt.c file.
Tom Lendacky (8):
x86/ioremap: Selectively build arch override encryption functio
On 8/19/21 4:55 AM, Christoph Hellwig wrote:
> On Fri, Aug 13, 2021 at 11:59:23AM -0500, Tom Lendacky wrote:
>> +static inline bool prot_guest_has(unsigned int attr)
>
> No reall need to have this inline. In fact I'd suggest we havea the
> prototype in a common heade
On 8/19/21 4:52 AM, Christoph Hellwig wrote:
> On Fri, Aug 13, 2021 at 11:59:22AM -0500, Tom Lendacky wrote:
>> While the name suggests this is intended mainly for guests, it will
>> also be used for host memory encryption checks in place of sme_active().
>
> Which suggest
On 8/19/21 4:46 AM, Christoph Hellwig wrote:
> On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote:
>> +#define PATTR_MEM_ENCRYPT 0 /* Encrypted memory */
>> +#define PATTR_HOST_MEM_ENCRYPT 1 /* Host encrypted
>>
On 8/17/21 5:24 AM, Borislav Petkov wrote:
> On Tue, Aug 17, 2021 at 12:22:33PM +0200, Borislav Petkov wrote:
>> This one wants to be part of the previous patch.
>
> ... and the three following patches too - the treewide patch does a
> single atomic :) replacement and that's it.
Ok, I'll squash t
On 8/17/21 5:02 AM, Borislav Petkov wrote:
> On Fri, Aug 13, 2021 at 11:59:25AM -0500, Tom Lendacky wrote:
>> diff --git a/arch/x86/kernel/machine_kexec_64.c
>> b/arch/x86/kernel/machine_kexec_64.c
>> index 8e7b517ad738..66ff788b79c9 100644
>> --- a/arch/x86/kernel/
On 8/15/21 9:39 AM, Borislav Petkov wrote:
> On Sun, Aug 15, 2021 at 08:53:31AM -0500, Tom Lendacky wrote:
>> It's not a cross-vendor thing as opposed to a KVM or other hypervisor
>> thing where the family doesn't have to be reported as AMD or HYGON.
>
> What would
On 8/17/21 4:00 AM, Borislav Petkov wrote:
> On Fri, Aug 13, 2021 at 11:59:24AM -0500, Tom Lendacky wrote:
>> diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c
>> index edc67ddf065d..5635ca9a1fbe 100644
>> --- a/arch/x86/mm/mem_encrypt.c
>> +++
On 8/17/21 3:35 AM, Borislav Petkov wrote:
> On Fri, Aug 13, 2021 at 11:59:23AM -0500, Tom Lendacky wrote:
>> Introduce a powerpc version of the prot_guest_has() function. This will
>> be used to replace the powerpc mem_encrypt_active() implementation, so
>> the implementatio
On 8/14/21 2:08 PM, Borislav Petkov wrote:
On Fri, Aug 13, 2021 at 11:59:22AM -0500, Tom Lendacky wrote:
diff --git a/arch/x86/include/asm/protected_guest.h
b/arch/x86/include/asm/protected_guest.h
new file mode 100644
index ..51e4eefd9542
--- /dev/null
+++ b/arch/x86/include/asm
On 8/14/21 1:32 PM, Borislav Petkov wrote:
On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote:
diff --git a/include/linux/protected_guest.h b/include/linux/protected_guest.h
new file mode 100644
index ..43d4dde94793
--- /dev/null
+++ b/include/linux/protected_guest.h
On 8/13/21 12:08 PM, Tom Lendacky wrote:
On 8/12/21 5:07 AM, Kirill A. Shutemov wrote:
On Wed, Aug 11, 2021 at 10:52:55AM -0500, Tom Lendacky wrote:
On 8/11/21 7:19 AM, Kirill A. Shutemov wrote:
On Tue, Aug 10, 2021 at 02:48:54PM -0500, Tom Lendacky wrote:
On 8/10/21 1:45 PM, Kuppuswamy
On 8/13/21 11:59 AM, Tom Lendacky wrote:
This patch series provides a generic helper function, prot_guest_has(),
to replace the sme_active(), sev_active(), sev_es_active() and
mem_encrypt_active() functions.
It is expected that as new protected virtualization technologies are
added to the
On 8/12/21 5:07 AM, Kirill A. Shutemov wrote:
On Wed, Aug 11, 2021 at 10:52:55AM -0500, Tom Lendacky wrote:
On 8/11/21 7:19 AM, Kirill A. Shutemov wrote:
On Tue, Aug 10, 2021 at 02:48:54PM -0500, Tom Lendacky wrote:
On 8/10/21 1:45 PM, Kuppuswamy, Sathyanarayanan wrote:
...
Looking at code
ARCH_HAS_PROTECTED_GUEST is not set).
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: Christian Borntraeger
Signed-off-by: Tom Lendacky
---
arch/s390/include/asm/mem_encrypt.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/s390/include/asm/mem_encrypt.h
b/arch/s390/include/asm/mem_encrypt.h
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Signed-off-by: Tom Lendacky
---
arch/powerpc/include/asm/mem_encrypt.h | 5 -
1 file changed, 5 deletions(-)
diff
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Reviewed-by: Joerg Roedel
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 5 -
1 file changed, 5 deletions
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Reviewed-by: Joerg Roedel
Signed-off-by: Tom Lendacky
---
include/linux/mem_encrypt.h | 4
1 file changed, 4 deletions(-)
diff --git a/include/linux/mem_encrypt.h b/include/linux
: Maxime Ripard
Cc: Thomas Zimmermann
Cc: VMware Graphics
Cc: Joerg Roedel
Cc: Will Deacon
Cc: Dave Young
Cc: Baoquan He
Signed-off-by: Tom Lendacky
---
arch/x86/kernel/head64.c| 4 ++--
arch/x86/mm/ioremap.c | 4 ++--
arch/x86/mm/mem_encrypt.c | 5
PATTR_GUEST_PROT_STATE can be updated, as
required, to specifically use PATTR_SEV_ES.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel/sev.c | 6 +++---
arch/x86/mm/mem_encrypt.c | 7
, as required, to use PATTR_SEV.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Ard Biesheuvel
Reviewed-by: Joerg Roedel
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel
required, to use PATTR_SME.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Joerg Roedel
Cc: Will Deacon
Reviewed-by: Joerg Roedel
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/kexec.h | 2 +-
arch/x86
Signed-off-by: Tom Lendacky
---
arch/powerpc/include/asm/protected_guest.h | 30 ++
arch/powerpc/platforms/pseries/Kconfig | 1 +
2 files changed, 31 insertions(+)
create mode 100644 arch/powerpc/include/asm/protected_guest.h
diff --git a/arch/powerpc/include/asm
Signed-off-by: Tom Lendacky
---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/mem_encrypt.h | 2 ++
arch/x86/include/asm/protected_guest.h | 29 ++
arch/x86/mm/mem_encrypt.c | 25 ++
include/linux/protected_guest.h
(sev_active() || tdx_active())).
Reviewed-by: Joerg Roedel
Co-developed-by: Andi Kleen
Signed-off-by: Andi Kleen
Co-developed-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Tom Lendacky
---
arch/Kconfig| 3 +++
include/linux
ypted() is conditionally built as well,
but requires a static inline version of it when CONFIG_AMD_MEM_ENCRYPT is
not set.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/io.
cking sme_me_mask in the
arch/x86/mm/mem_encrypt.c file.
Tom Lendacky (12):
x86/ioremap: Selectively build arch override encryption functions
mm: Introduce a function to check for virtualization protection
features
x86/sev: Add an x86 version of prot_guest_has()
powerpc/pseries/svm: Add
On 8/11/21 7:19 AM, Kirill A. Shutemov wrote:
> On Tue, Aug 10, 2021 at 02:48:54PM -0500, Tom Lendacky wrote:
>> On 8/10/21 1:45 PM, Kuppuswamy, Sathyanarayanan wrote:
>>>
>>>
>>> On 7/27/21 3:26 PM, Tom Lendacky wrote:
>>>> diff --git a/arc
On 8/11/21 9:53 AM, Kuppuswamy, Sathyanarayanan wrote:
> On 7/27/21 3:26 PM, Tom Lendacky wrote:
>> diff --git a/include/linux/protected_guest.h
>> b/include/linux/protected_guest.h
>> new file mode 100644
>> index ..f8ed7b72967b
>> ---
On 8/10/21 1:45 PM, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 7/27/21 3:26 PM, Tom Lendacky wrote:
>> diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
>> index de01903c3735..cafed6456d45 100644
>> --- a/arch/x86/kernel/head64.c
>> +++ b/arc
On 8/8/21 8:41 PM, Kuppuswamy, Sathyanarayanan wrote:
> Hi Tom,
>
> On 7/27/21 3:26 PM, Tom Lendacky wrote:
>> This patch series provides a generic helper function, prot_guest_has(),
>> to replace the sme_active(), sev_active(), sev_es_active() and
>> mem_encrypt_acti
On 8/2/21 7:42 AM, Christophe Leroy wrote:
>
>
> Le 28/07/2021 à 00:26, Tom Lendacky a écrit :
>> Replace occurrences of mem_encrypt_active() with calls to prot_guest_has()
>> with the PATTR_MEM_ENCRYPT attribute.
>
>
> What about
> https://nam11.safelinks.pro
On 8/2/21 5:45 AM, Joerg Roedel wrote:
> On Tue, Jul 27, 2021 at 05:26:09PM -0500, Tom Lendacky wrote:
>> @@ -48,7 +47,7 @@ static void sme_sev_setup_real_mode(struct
>> trampoline_header *th)
>> if (prot_guest_has(PATTR_HOST_MEM_ENCRYPT))
>> th-&g
On 7/30/21 5:34 PM, Sean Christopherson wrote:
> On Tue, Jul 27, 2021, Tom Lendacky wrote:
>> @@ -451,7 +450,7 @@ void __init mem_encrypt_free_decrypted_mem(void)
>> * The unused memory range was mapped decrypted, change the encryption
>> * attribute from decrypte
On 7/28/21 8:22 AM, Christoph Hellwig wrote:
> On Tue, Jul 27, 2021 at 05:26:05PM -0500, Tom Lendacky via iommu wrote:
>> Introduce an x86 version of the prot_guest_has() function. This will be
>> used in the more generic x86 code to replace vendor specific calls like
>&
On 7/27/21 5:26 PM, Tom Lendacky wrote:
> This patch series provides a generic helper function, prot_guest_has(),
> to replace the sme_active(), sev_active(), sev_es_active() and
> mem_encrypt_active() functions.
>
> It is expected that as new protected virtualization technologies
ARCH_HAS_PROTECTED_GUEST is not set).
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: Christian Borntraeger
Signed-off-by: Tom Lendacky
---
arch/s390/include/asm/mem_encrypt.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/s390/include/asm/mem_encrypt.h
b/arch/s390/include/asm/mem_encrypt.h
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Signed-off-by: Tom Lendacky
---
arch/powerpc/include/asm/mem_encrypt.h | 5 -
1 file changed, 5 deletions(-)
diff
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 5 -
1 file changed, 5 deletions(-)
diff --git a/arch/x86
The mem_encrypt_active() function has been replaced by prot_guest_has(),
so remove the implementation.
Signed-off-by: Tom Lendacky
---
include/linux/mem_encrypt.h | 4
1 file changed, 4 deletions(-)
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h
index 5c4a18a91f89
: Maxime Ripard
Cc: Thomas Zimmermann
Cc: VMware Graphics
Cc: Joerg Roedel
Cc: Will Deacon
Cc: Dave Young
Cc: Baoquan He
Signed-off-by: Tom Lendacky
---
arch/x86/kernel/head64.c| 4 ++--
arch/x86/mm/ioremap.c | 4 ++--
arch/x86/mm/mem_encrypt.c | 5
PATTR_GUEST_PROT_STATE can be updated, as
required, to specifically use PATTR_SEV_ES.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel/sev.c | 6 +++---
arch/x86/mm/mem_encrypt.c | 7
, as required, to use PATTR_SEV.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Ard Biesheuvel
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/mem_encrypt.h | 2 --
arch/x86/kernel/crash_dump_64.c| 4 +++-
arch/x86
required, to use PATTR_SME.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: Dave Hansen
Cc: Andy Lutomirski
Cc: Peter Zijlstra
Cc: Joerg Roedel
Cc: Will Deacon
Signed-off-by: Tom Lendacky
---
arch/x86/include/asm/kexec.h | 2 +-
arch/x86/include/asm/mem_encrypt.h
Signed-off-by: Tom Lendacky
---
arch/powerpc/include/asm/protected_guest.h | 30 ++
arch/powerpc/platforms/pseries/Kconfig | 1 +
2 files changed, 31 insertions(+)
create mode 100644 arch/powerpc/include/asm/protected_guest.h
diff --git a/arch/powerpc/include/asm
d-off-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Tom Lendacky
---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/mem_encrypt.h | 2 ++
arch/x86/include/asm/protected_guest.h | 27 ++
arch/x86/mm/mem_encrypt.c | 25 +
(sev_active() || tdx_active())).
Co-developed-by: Andi Kleen
Signed-off-by: Andi Kleen
Co-developed-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Kuppuswamy Sathyanarayanan
Signed-off-by: Tom Lendacky
---
arch/Kconfig| 3 +++
include/linux/protected_guest.h | 32
Zijlstra
Cc: Thomas Gleixner
Cc: Thomas Zimmermann
Cc: Vasily Gorbik
Cc: VMware Graphics
Cc: Will Deacon
---
Patches based on:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
commit 79e920060fa7 ("Merge branch 'WIP/fixes'")
Tom Lendacky (11
On 6/18/21 1:25 AM, Claire Chang wrote:
> On Fri, Jun 18, 2021 at 7:30 AM Stefano Stabellini
> wrote:
>>
>> On Thu, 17 Jun 2021, Claire Chang wrote:
>>> Add a new function, swiotlb_init_io_tlb_mem, for the io_tlb_mem struct
>>> initialization to make the code reusable.
>>>
>>> Signed-off-by: Clair
On 5/27/21 9:41 AM, Tom Lendacky wrote:
> On 5/27/21 8:02 AM, Christoph Hellwig wrote:
>> On Wed, May 19, 2021 at 11:50:07AM -0700, Florian Fainelli wrote:
>>> You convert this call site with swiotlb_init_io_tlb_mem() which did not
>>> do the set_memory_decrypted()+memse
On 5/27/21 8:02 AM, Christoph Hellwig wrote:
> On Wed, May 19, 2021 at 11:50:07AM -0700, Florian Fainelli wrote:
>> You convert this call site with swiotlb_init_io_tlb_mem() which did not
>> do the set_memory_decrypted()+memset(). Is this okay or should
>> swiotlb_init_io_tlb_mem() add an additiona
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