> On 13-Aug-2021, at 9:54 AM, Nicholas Piggin wrote:
>
> Excerpts from Athira Rajeev's message of August 9, 2021 1:03 pm:
>>
>>
>>> On 26-Jul-2021, at 9:19 AM, Nicholas Piggin wrote:
>
>
>>> +static void freeze_pmu(unsigned long mmcr0, unsigned long mmcra)
>>> +{
>>> + if (!(mmcr0 & MMC
On Thu, Aug 12, 2021 at 10:14:25AM +0200, Uwe Kleine-K??nig wrote:
> dev_driver_string() might return "" (via dev_bus_name()). If that happens
> *drvstr == '\0' becomes true.
>
> Would the following be better?:
>
> const char *drvstr;
>
> if (pdev)
> return "";
>
>
config
arm allmodconfig
i386 randconfig-c001-20210814
i386 randconfig-c001-20210812
i386 randconfig-c001-20210813
powerpc mpc8540_ads_defconfig
ia64defconfig
arm imx_v6_v7_defc
On Fri, Aug 13, 2021 at 11:59:21AM -0700, Nick Desaulniers wrote:
> Or we can dig through why there are relocations in read only sections,
> fix those, then enable `-z text` for all linkers. My recommendation
> would be get the thing building, then go digging time permitting.
It is not always a b
Bill Wendling writes:
> On Fri, Aug 13, 2021 at 7:13 AM Daniel Axtens wrote:
>> Bill Wendling writes:
...
>> > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
>> > index 6505d66f1193..17a9fbf9b789 100644
>> > --- a/arch/powerpc/Makefile
>> > +++ b/arch/powerpc/Makefile
>> > @@ -122,6
Christophe Leroy writes:
> Le 13/08/2021 à 10:24, Kajol Jain a écrit :
>> Incase of random sampling, there can be scenarios where SIAR is not
>> latching sample address and results in 0 value. Since current code
>> directly returning the siar value, we could see multiple instruction
>> pointer val
Christophe Leroy writes:
> Le 13/08/2021 à 10:29, kajoljain a écrit :
>>
>> On 8/13/21 1:54 PM, Kajol Jain wrote:
>>> Minor optimization in the 'perf_instruction_pointer' function code by
>>> making use of stack siar instead of mfspr.
>>>
>>> Fixes: 75382aa72f06 ("powerpc/perf: Move code to selec
Christophe Leroy writes:
> Le 13/08/2021 à 10:24, Kajol Jain a écrit :
>> Incase of random sampling, there can be scenarios where SIAR is not
>> latching sample address and results in 0 value. Since current code
>> directly returning the siar value, we could see multiple instruction
>> pointer val
On Fri, Aug 13, 2021 at 01:05:08PM -0700, Fangrui Song wrote:
> Text relocations are considered very awful by linker developers.
By very few linker developers.
> binutils 2.35 added --enable-textrel-check={no,warn,error}
> https://sourceware.org/bugzilla/show_bug.cgi?id=20824
Yes, some people wa
On Fri, Aug 13, 2021 at 11:59:20AM -0500, Tom Lendacky wrote:
> In prep for other uses of the prot_guest_has() function besides AMD's
> memory encryption support, selectively build the AMD memory encryption
> architecture override functions only when CONFIG_AMD_MEM_ENCRYPT=y. These
> functions are:
On Fri, Jul 16, 2021 at 04:14:12PM +0800, Herbert Xu wrote:
> Stephan Mueller wrote:
> > With the swtich to use HMAC(SHA-512) as the default DRBG type, the
> > configuration must now also select SHA-512.
> >
> > Fixes: 9b7b94683a9b "crypto: DRBG - switch to HMAC SHA512 DRBG as default
> > DRBG"
>
On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote:
> In prep for other protected virtualization technologies, introduce a
> generic helper function, prot_guest_has(), that can be used to check
> for specific protection attributes, like memory encryption. This is
> intended to eliminate h
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
@@ -0,
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/protected_guest.h
> @@ -0,0 +1,29 @@
On Sat, Aug 14, 2021 at 5:59 AM Segher Boessenkool
wrote:
>
> On Fri, Aug 13, 2021 at 01:05:08PM -0700, Fangrui Song wrote:
> > Text relocations are considered very awful by linker developers.
>
> By very few linker developers.
https://groups.google.com/g/generic-abi/c/Ckq19PfLxyk/m/uW29sgkoAgAJ
Christophe Leroy writes:
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index 24725e50c7b4..34745f239208 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -926,7 +926,7 @@ static void check_section(const char *modname, struct
> elf_info *elf,
>
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