whose pfn is 600
*#
Result on x86 with patch (page size 4K)
*# ./hugepage-vmemmap
Returned address is 0x7fc7c2c0 whose pfn is 1dac00
*#
Signed-off-by: Donet Tom
Reported-by : Geetika Moolchandani (geet...@linux.ibm.com)
Tested-by : Geetika Moolchandani (geet...@linux.ibm.com)
---
tools/testing
On 6/21/2023 2:01 PM, Jeff Layton wrote:
On Wed, 2023-06-21 at 13:29 -0400, Tom Talpey wrote:
On 6/21/2023 10:45 AM, Jeff Layton wrote:
struct timespec64 has unused bits in the tv_nsec field that can be used
for other purposes. In future patches, we're going to change how the
inode->i_ct
plit the tv_sec and tv_nsec
set_ functions. Do any callers not set them both? Wouldn't a
single call enable a more atomic behavior someday?
inode_ctime_set_sec_nsec(struct inode *, time64_t, time64_t)
(or simply initialize a timespec64 and use inode_ctime_spec() )
Tom.
+ * @inode: inode
body in an 'if' statement [-Werror=empty-body]
333 | ;
| ^
These if-checks do not do anything so remove them.
Signed-off-by: Tom Rix
---
arch/powerpc/platforms/cell/spu_base.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/arch/powerpc/platforms
l: qe: remove unused qe_ic_set_* functions")
This function is not used, so remove it.
Signed-off-by: Tom Rix
---
v2: Add to commit log when the use was removed.
---
drivers/soc/fsl/qe/qe_ic.c | 5 -
1 file changed, 5 deletions(-)
diff --git a/drivers/soc/fsl/qe/qe_ic.c b/drivers/
clang with W=1 reports
drivers/soc/fsl/qe/qe_ic.c:235:29: error: unused function
'qe_ic_from_irq' [-Werror,-Wunused-function]
static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
^
This function is not used, so remove it.
Signed-off-by: Tom Rix
---
drivers
On Thu, Feb 23, 2023 at 11:53:42AM -0600, Tom Saeger wrote:
> On Thu, Feb 23, 2023 at 10:51:45AM +0100, Greg Kroah-Hartman wrote:
> > On Fri, Feb 10, 2023 at 01:18:40PM -0700, Tom Saeger wrote:
> > > From: Masahiro Yamada
> > >
> > > commit 99cb0d917ffa1
On Thu, Feb 23, 2023 at 10:50:22AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Feb 10, 2023 at 01:20:22PM -0700, Tom Saeger wrote:
> > From: "H.J. Lu"
> >
> > commit 84d5f77fc2ee4e010c2c037750e32f06e55224b0 upstream.
> >
> > In the x86 kernel, .exit
On Thu, Feb 23, 2023 at 10:55:39AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Feb 10, 2023 at 01:18:39PM -0700, Tom Saeger wrote:
> > Build ID is missing for arm64 with CONFIG_MODVERSIONS=y using ld >= 2.36
> > on 5.4, 5.10, and 5.15
> >
> > Backport BuildID fixes
On Thu, Feb 23, 2023 at 10:51:45AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Feb 10, 2023 at 01:18:40PM -0700, Tom Saeger wrote:
> > From: Masahiro Yamada
> >
> > commit 99cb0d917ffa1ab628bb67364ca9b162c07699b1 upstream.
> >
> > Dennis Gilmore reports that th
by: Nathan Chancellor
Signed-off-by: Masahiro Yamada
Link: https://lore.kernel.org/r/20230105031306.1455409-1-masahi...@kernel.org
Signed-off-by: Heiko Carstens
Signed-off-by: Tom Saeger
---
arch/s390/kernel/vmlinux.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/kernel
-off-by: Masahiro Yamada
Reviewed-by: Nicolas Schier
Link: https://lore.kernel.org/r/20221012233500.156764-1-masahi...@kernel.org
Signed-off-by: Will Deacon
Signed-off-by: Tom Saeger
---
scripts/head-object-list.txt | 1 -
1 file changed, 1 deletion(-)
diff --git a/scripts/head-object-list.txt
by: Nathan Chancellor
Signed-off-by: Masahiro Yamada
Link: https://lore.kernel.org/r/20230105031306.1455409-1-masahi...@kernel.org
Signed-off-by: Heiko Carstens
Signed-off-by: Tom Saeger
---
arch/s390/kernel/vmlinux.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/kernel
to not rely on it."
Link:
https://lkml.kernel.org/r/9166a8abdc0f979e50377e61780a4bba1dfa2f52.1674518464.git.tom.sae...@oracle.com
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Link: https://lore.kernel.org/all/Y7Jal56f6UBh1abE@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/all/20230123194218.47ssfzh
carding .rela* only when CONFIG_RELOCATABLE
is disabled.
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Signed-off-by: Michael Ellerman
Link: https://lore.kernel.org/r/20230105132349.384666-2-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vml
20230105132349.384666-1-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S
b/arch/powerpc/kernel/vmlinux.lds.S
index 3ea360cad337..4d5e1662a0ba 100644
--- a/arch/powerpc/kernel/v
bf4421 ("riscv: remove special treatment for the link order of
head.o")
Reported-by: Dennis Gilmore
Suggested-by: Ard Biesheuvel
Signed-off-by: Masahiro Yamada
Acked-by: Palmer Dabbelt
Signed-off-by: Tom Saeger
---
include/asm-generic/vmlinux.lds.h | 5 +
1 file changed, 5
re.kernel.org/all/cover.1670358255.git.tom.sae...@oracle.com/
Signed-off-by: Tom Saeger
---
H.J. Lu (1):
x86, vmlinux.lds: Add RUNTIME_DISCARD_EXIT to generic DISCARDS
Masahiro Yamada (2):
arch: fix broken BuildID for arm64 and riscv
s390: define RUNTIME_DISCARD_EXIT to fix link e
end commit message. ]
Signed-off-by: H.J. Lu
Signed-off-by: Borislav Petkov
Reviewed-by: Kees Cook
Link: https://lkml.kernel.org/r/20200326193021.255002-1-hjl.to...@gmail.com
Signed-off-by: Tom Saeger
---
arch/x86/kernel/vmlinux.lds.S | 1 +
include/asm-generic/vmlinux.lds.h | 11 +-
by: Nathan Chancellor
Signed-off-by: Masahiro Yamada
Link: https://lore.kernel.org/r/20230105031306.1455409-1-masahi...@kernel.org
Signed-off-by: Heiko Carstens
Signed-off-by: Tom Saeger
---
arch/s390/kernel/vmlinux.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/kernel
to not rely on it."
Link:
https://lkml.kernel.org/r/9166a8abdc0f979e50377e61780a4bba1dfa2f52.1674518464.git.tom.sae...@oracle.com
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Link: https://lore.kernel.org/all/Y7Jal56f6UBh1abE@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/all/20230123194218.47ssfzh
carding .rela* only when CONFIG_RELOCATABLE
is disabled.
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Signed-off-by: Michael Ellerman
Link: https://lore.kernel.org/r/20230105132349.384666-2-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vml
rg/all/cover.1670358255.git.tom.sae...@oracle.com/
Signed-off-by: Tom Saeger
---
Masahiro Yamada (2):
arch: fix broken BuildID for arm64 and riscv
s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36
Michael Ellerman (2):
powerpc/vmlinux.lds: Define RUNTIME_
20230105132349.384666-1-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S
b/arch/powerpc/kernel/vmlinux.lds.S
index 4a1f494ef03f..e3984389f8ef 100644
--- a/arch/powerpc/kernel/v
bf4421 ("riscv: remove special treatment for the link order of
head.o")
Reported-by: Dennis Gilmore
Suggested-by: Ard Biesheuvel
Signed-off-by: Masahiro Yamada
Acked-by: Palmer Dabbelt
Signed-off-by: Tom Saeger
---
include/asm-generic/vmlinux.lds.h | 5 +
1 file changed, 5
to not rely on it."
Link:
https://lkml.kernel.org/r/9166a8abdc0f979e50377e61780a4bba1dfa2f52.1674518464.git.tom.sae...@oracle.com
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Link: https://lore.kernel.org/all/Y7Jal56f6UBh1abE@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/all/20230123194218.47ssfzh
by: Nathan Chancellor
Signed-off-by: Masahiro Yamada
Link: https://lore.kernel.org/r/20230105031306.1455409-1-masahi...@kernel.org
Signed-off-by: Heiko Carstens
Signed-off-by: Tom Saeger
---
arch/s390/kernel/vmlinux.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/s390/kernel
carding .rela* only when CONFIG_RELOCATABLE
is disabled.
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Signed-off-by: Michael Ellerman
Link: https://lore.kernel.org/r/20230105132349.384666-2-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vml
20230105132349.384666-1-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S
b/arch/powerpc/kernel/vmlinux.lds.S
index 1a63e37f336a..50a04347ab05 100644
--- a/arch/powerpc/kernel/v
re.kernel.org/all/cover.1670358255.git.tom.sae...@oracle.com/
Signed-off-by: Tom Saeger
---
Masahiro Yamada (2):
arch: fix broken BuildID for arm64 and riscv
s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36
Michael Ellerman (2):
powerpc/vmlinux.lds: D
bf4421 ("riscv: remove special treatment for the link order of
head.o")
Reported-by: Dennis Gilmore
Suggested-by: Ard Biesheuvel
Signed-off-by: Masahiro Yamada
Acked-by: Palmer Dabbelt
Signed-off-by: Tom Saeger
---
include/asm-generic/vmlinux.lds.h | 5 +
1 file changed, 5
to not rely on it."
Link:
https://lkml.kernel.org/r/9166a8abdc0f979e50377e61780a4bba1dfa2f52.1674518464.git.tom.sae...@oracle.com
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Link: https://lore.kernel.org/all/Y7Jal56f6UBh1abE@dev-arch.thelio-3990X/
Link: https://lore.kernel.org/all/20230123194218.47ssfzh
carding .rela* only when CONFIG_RELOCATABLE
is disabled.
Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv")
Signed-off-by: Michael Ellerman
Link: https://lore.kernel.org/r/20230105132349.384666-2-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vml
20230105132349.384666-1-...@ellerman.id.au
Signed-off-by: Tom Saeger
---
arch/powerpc/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S
b/arch/powerpc/kernel/vmlinux.lds.S
index 8c3862b4c259..c5ea7d03d539 100644
--- a/arch/powerpc/kernel/v
.git.tom.sae...@oracle.com/
[3] https://lore.kernel.org/all/cover.1670358255.git.tom.sae...@oracle.com/
Signed-off-by: Tom Saeger
---
Jisheng Zhang (1):
riscv: remove special treatment for the link order of head.o
Masahiro Yamada (3):
arm64: remove special treatment for the link o
bf4421 ("riscv: remove special treatment for the link order of
head.o")
Reported-by: Dennis Gilmore
Suggested-by: Ard Biesheuvel
Signed-off-by: Masahiro Yamada
Acked-by: Palmer Dabbelt
Signed-off-by: Tom Saeger
---
include/asm-generic/vmlinux.lds.h | 5 +
1 file changed, 5
he right thing to do. The build system does
not need to manipulate the link order of head.o.
Signed-off-by: Jisheng Zhang
Link: https://lore.kernel.org/r/20221018141200.1040-1-jszh...@kernel.org
Signed-off-by: Palmer Dabbelt
Signed-off-by: Tom Saeger
---
scripts/head-object-list.txt | 1 -
1 file
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
-relative access, we must use
fixup_pointer() to access any global variables.
Yah, I've asked compiler folks about any guarantees we have wrt
rip-relative addresses but it doesn't look good. Worst case, we'd have
to do the fixup_pointer() thing.
In the meantime, Tom and I did some more poking
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
if that helps?
There's no need in Intel check this early. Only AMD need it. Maybe just
opencode them?
Any way you can put a gzipped/bzipped copy of your vmlinux file somewhere
I can grab it from and take a look at it?
Thanks,
Tom
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
>>
.
Ok, I'll squash those all together.
Thanks,
Tom
>
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:
);
>>> set_memory_decrypted((unsigned long)tlb, bytes >> PAGE_SHIFT);
>>> - memset(tlb, 0, bytes);
>>
>> This is good for swiotlb_late_init_with_tbl. However I have just noticed
>> that mem could also be allocated from swiotlb_init_with_tbl, in
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