d.%d.%d",
XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
For drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
Acked-by: Tom Lendacky
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
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
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
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
to
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
() 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.h | 8
eader 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 functions
mm:
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 header so
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
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
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 be the
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
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.
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
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
: 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
of 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
, as 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
. if (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
() 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.h | 8
me_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 a power
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
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 technolog
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
of 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
, as 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
. 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/protected_guest.h | 32
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 +
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):
mm:
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:
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
On 4/22/21 2:19 AM, Christoph Hellwig wrote:
> When the user specified an explicit swiotlb size on the command line,
> the achitecture code should not override it.
>
> Fixes: 2cbc2776efe4 ("swiotlb: remove swiotlb_nr_tbl")
> Reported-by: Tom Lendacky
> Signed-off-by:
On 4/20/21 4:23 AM, Christoph Hellwig wrote:
> On Sat, Apr 17, 2021 at 11:39:22AM -0500, Tom Lendacky wrote:
>> Somewhere between the 1st and 2nd patch, specifying a specific swiotlb
>> for an SEV guest is no longer honored. For example, if I start an SEV
>> guest with 16GB
On 4/17/21 11:39 AM, Tom Lendacky wrote:
>> Hi Konrad,
>>
>> this series contains a bunch of swiotlb cleanups, mostly to reduce the
>> amount of internals exposed to code outside of swiotlb.c, which should
>> helper to prepare for supporting multiple different bounc
> Hi Konrad,
>
> this series contains a bunch of swiotlb cleanups, mostly to reduce the
> amount of internals exposed to code outside of swiotlb.c, which should
> helper to prepare for supporting multiple different bounce buffer pools.
Somewhere between the 1st and 2nd patch, specifying a
On 8/23/2017 10:30 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:54PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
Early in the boot process, add checks to determine if the kernel is
running with Secure Encrypted Virtualization (SEV) active.
Ch
On 8/6/2017 10:48 PM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:52PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
DMA access to memory mapped as encrypted while SEV is active can not be
encrypted during device write or decrypted during devic
On 8/1/2017 11:02 PM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:51PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
In order for memory pages to be properly mapped when SEV is active, we
need to use the PAGE_KERNEL protection attribute as th
On 8/17/2017 1:55 PM, Tom Lendacky wrote:
On 7/28/2017 10:23 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:49PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
The walk_iomem_res_desc(), walk_system_ram_res() and
walk_system_ram_range()
function
On 7/28/2017 10:23 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:49PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
The walk_iomem_res_desc(), walk_system_ram_res() and walk_system_ram_range()
functions each have much of the same code. Create
On 7/28/2017 5:31 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:48PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
EFI data is encrypted when the kernel is run under SEV. Update the
page table references to be sure the EFI memory areas are ac
On 7/28/2017 3:47 AM, David Laight wrote:
From: Borislav Petkov
Sent: 27 July 2017 15:59
On Mon, Jul 24, 2017 at 02:07:47PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
The current code checks only for sme_active() when determining whether
to perform the encr
On 7/27/2017 9:58 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:47PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
The current code checks only for sme_active() when determining whether
to perform the encryption attribute change. Include sev_
On 7/27/2017 8:31 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:46PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
When Secure Encrypted Virtualization (SEV) is active, boot data (such as
EFI related data, setup data) is encrypted and needs to be ac
On 7/26/2017 11:03 AM, Borislav Petkov wrote:
Subject: x86/realmode: ...
Done.
On Mon, Jul 24, 2017 at 02:07:45PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
When SEV is active the trampoline area will need to be in encrypted
memory so only mark th
On 7/25/2017 10:33 AM, Borislav Petkov wrote:
On Tue, Jul 25, 2017 at 10:29:40AM -0500, Tom Lendacky wrote:
But early_identify_cpu() calls get_cpu_cap() which will check for cpuid
leaf 0x8008 support and set x86_phys_bits.
Right, but it can't be less than 32, can it? And if it is more
On 7/25/2017 11:28 PM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:43PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
Provide support for Secure Encyrpted Virtualization (SEV). This initial
Your subject misses a verb and patch subjects shoul
On 7/25/2017 10:13 AM, Borislav Petkov wrote:
On Tue, Jul 25, 2017 at 09:58:54AM -0500, Tom Lendacky wrote:
True, but it is more about being accurate and making sure the value is
correct where ever it may be used.
So early_identify_cpu() initializes phys_bits to 32 on 32-bit.
Subtracting
On 7/25/2017 9:36 AM, Borislav Petkov wrote:
On Tue, Jul 25, 2017 at 09:29:40AM -0500, Tom Lendacky wrote:
Yup, we can do something like that. I believe the only change that
would be needed to your patch would be to move the IS_ENABLED() check
to after the physical address space reduction
On 7/25/2017 5:26 AM, Borislav Petkov wrote:
On Mon, Jul 24, 2017 at 02:07:42PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>
Update the CPU features to include identifying and reporting on the
Secure Encrypted Virtualization (SEV) feature. SME is iden
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