On 11.03.21 13:51, Borislav Petkov wrote:
On Thu, Mar 11, 2021 at 01:50:26PM +0100, Borislav Petkov wrote:
and move the cleanups patches 13 and 14 to the beginning of the set?
Yeah, 14 needs ALTERNATIVE_TERNARY so I guess after patch 5, that is.
I'm putting 13 at the begin of the series and
On 09.03.21 19:57, Borislav Petkov wrote:
On Tue, Mar 09, 2021 at 02:48:03PM +0100, Juergen Gross wrote:
@@ -167,6 +168,17 @@ static u64 native_steal_clock(int cpu)
return 0;
}
+DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock);
+DEFINE_STATIC_CALL(pv_sched_clock, native_sched
On 08.03.21 19:30, Borislav Petkov wrote:
On Mon, Mar 08, 2021 at 01:28:43PM +0100, Juergen Gross wrote:
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 36cd71fa097f..04b3067f31b5 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravir
On 08.03.21 18:00, Boris Ostrovsky wrote:
On 3/8/21 7:28 AM, Juergen Gross wrote:
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -379,11 +379,6 @@ void xen_timer_resume(void)
}
}
-static const struct pv_time_ops xen_time_ops __initconst = {
- .sched_clock = xen_sched
On 17.12.20 18:31, Michael Kelley wrote:
From: Juergen Gross Sent: Thursday, December 17, 2020 1:31 AM
The time pvops functions are the only ones left which might be
used in 32-bit mode and which return a 64-bit value.
Switch them to use the static_call() mechanism instead of pvops, as
this a
On 06.01.21 11:03, Borislav Petkov wrote:
On Thu, Dec 17, 2020 at 10:31:24AM +0100, Juergen Gross wrote:
The time pvops functions are the only ones left which might be
used in 32-bit mode and which return a 64-bit value.
Switch them to use the static_call() mechanism instead of pvops, as
this a
On 15.12.20 15:54, Peter Zijlstra wrote:
On Tue, Dec 15, 2020 at 03:18:34PM +0100, Peter Zijlstra wrote:
Ah, I was waiting for Josh to have an opinion (and then sorta forgot
about the whole thing again). Let me refresh and provide at least a
Changelog.
How's this then?
Thanks, will add it in
Peter,
On 23.11.20 14:43, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 01:53:42PM +0100, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:18PM +0100, Juergen Gross wrote:
30 files changed, 325 insertions(+), 598 deletions(-)
Much awesome ! I'll try and get that objtool thing sorted.
On 10.12.20 21:15, Thomas Gleixner wrote:
Mark tripped over the creative irqflags handling in the IO-APIC timer
delivery check which ends up doing:
local_irq_save(flags);
local_irq_enable();
local_irq_restore(flags);
which triggered a new consistency check he's working
On 09.12.20 15:02, Mark Rutland wrote:
On Wed, Dec 09, 2020 at 01:27:10PM +, Mark Rutland wrote:
On Sun, Nov 22, 2020 at 01:44:53PM -0800, Andy Lutomirski wrote:
On Sat, Nov 21, 2020 at 10:55 PM Jürgen Groß wrote:
On 20.11.20 12:59, Peter Zijlstra wrote:
If someone were to write horrible
On 02.12.20 13:32, Borislav Petkov wrote:
On Fri, Nov 20, 2020 at 12:46:22PM +0100, Juergen Gross wrote:
@@ -123,12 +115,15 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe,
SYM_L_GLOBAL)
* Try to use SYSRET instead of IRET if we're returning to
* a completely clean 64-bit us
On 22.11.20 22:44, Andy Lutomirski wrote:
On Sat, Nov 21, 2020 at 10:55 PM Jürgen Groß wrote:
On 20.11.20 12:59, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:23PM +0100, Juergen Gross wrote:
+static __always_inline void arch_local_irq_restore(unsigned long flags)
+{
+if (!arch_irq
On 20.11.20 12:59, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:23PM +0100, Juergen Gross wrote:
+static __always_inline void arch_local_irq_restore(unsigned long flags)
+{
+ if (!arch_irqs_disabled_flags(flags))
+ arch_local_irq_enable();
+}
If someone were to write
On 20.11.20 13:08, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:26PM +0100, Juergen Gross wrote:
+#define PVOP_CALL(rettype, op, clbr, call_clbr, extra_clbr, ...) \
({ \
PVOP_CALL_ARGS;
On 20.11.20 13:01, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:24PM +0100, Juergen Gross wrote:
The time pvops functions are the only ones left which might be
used in 32-bit mode and which return a 64-bit value.
Switch them to use the static_call() mechanism instead of pvops, as
this al
On 20.11.20 12:59, Peter Zijlstra wrote:
On Fri, Nov 20, 2020 at 12:46:23PM +0100, Juergen Gross wrote:
+static __always_inline void arch_local_irq_restore(unsigned long flags)
+{
+ if (!arch_irqs_disabled_flags(flags))
+ arch_local_irq_enable();
+}
If someone were to write
On 16.11.20 17:28, Andy Lutomirski wrote:
On Mon, Nov 16, 2020 at 7:23 AM Juergen Gross wrote:
USERGS_SYSRET64 is used to return from a syscall via sysret, but
a Xen PV guest will nevertheless use the iret hypercall, as there
is no sysret PV hypercall defined.
So instead of testing all the pr
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