On 08/05/2024 14.58, Thomas Huth wrote:
On 08/05/2024 14.55, Thomas Huth wrote:
On 08/05/2024 14.27, Nicholas Piggin wrote:
On Wed May 8, 2024 at 1:08 AM AEST, Thomas Huth wrote:
On 04/05/2024 14.28, Nicholas Piggin wrote:
This allows different machines with different requirements
On 08/05/2024 14.55, Thomas Huth wrote:
On 08/05/2024 14.27, Nicholas Piggin wrote:
On Wed May 8, 2024 at 1:08 AM AEST, Thomas Huth wrote:
On 04/05/2024 14.28, Nicholas Piggin wrote:
This allows different machines with different requirements to be
supported by run_tests.sh, similarly to how
On 08/05/2024 14.27, Nicholas Piggin wrote:
On Wed May 8, 2024 at 1:08 AM AEST, Thomas Huth wrote:
On 04/05/2024 14.28, Nicholas Piggin wrote:
This allows different machines with different requirements to be
supported by run_tests.sh, similarly to how different accelerators
are handled.
Acked
On 04/05/2024 14.28, Nicholas Piggin wrote:
This allows different machines with different requirements to be
supported by run_tests.sh, similarly to how different accelerators
are handled.
Acked-by: Thomas Huth
Acked-by: Andrew Jones
Signed-off-by: Nicholas Piggin
---
docs/unittests.txt
++--
2 files changed, 3 insertions(+), 2 deletions(-)
Reviewed-by: Thomas Huth
| 3 +
7 files changed, 467 insertions(+), 1 deletion(-)
create mode 100644 powerpc/interrupts.c
Acked-by: Thomas Huth
On 07/05/2024 06.07, Nicholas Piggin wrote:
On Mon May 6, 2024 at 5:37 PM AEST, Thomas Huth wrote:
On 04/05/2024 14.28, Nicholas Piggin wrote:
Mark the failing h_cede_tm and spapr_vpa tests as kfail.
Signed-off-by: Nicholas Piggin
---
powerpc/spapr_vpa.c | 3 ++-
powerpc/tm.c| 3
On 06/05/2024 10.01, Andrew Jones wrote:
On Mon, May 06, 2024 at 09:25:37AM GMT, Thomas Huth wrote:
On 04/05/2024 14.28, Nicholas Piggin wrote:
There are times we would like to test a function that is known to fail
in some conditions due to a bug in implementation (QEMU, KVM, or even
hardware
On 04/05/2024 14.28, Nicholas Piggin wrote:
Mark the failing h_cede_tm and spapr_vpa tests as kfail.
Signed-off-by: Nicholas Piggin
---
powerpc/spapr_vpa.c | 3 ++-
powerpc/tm.c| 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/powerpc/spapr_vpa.c
On 04/05/2024 14.28, Nicholas Piggin wrote:
There are times we would like to test a function that is known to fail
in some conditions due to a bug in implementation (QEMU, KVM, or even
hardware). It would be nice to count these as known failures and not
report a summary failure.
xfail is not
On 04/05/2024 14.28, Nicholas Piggin wrote:
This adds a few minor fixes.
Signed-off-by: Nicholas Piggin
---
docs/unittests.txt | 12 +++-
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/docs/unittests.txt b/docs/unittests.txt
index 3192a60ec..7cf2c55ad 100644
---
On 16/04/2024 09.55, Thomas Huth wrote:
On 16/04/2024 09.18, Thomas Huth wrote:
On 11/04/2024 21.22, Thomas Huth wrote:
On 08/04/2024 18.06, Nico Boehr wrote:
Quoting Nicholas Piggin (2024-04-05 10:35:07)
The migration harness is complicated and easy to break so CI will
be helpful.
Signed
not being used
at the moment for completeness, but also the code might one day be
reused for a hypervisor-privileged test.
Acked-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
lib/powerpc/asm/reg.h | 2 +
powerpc/sprs.c| 647 +-
2 files changed
On 16/04/2024 09.18, Thomas Huth wrote:
On 11/04/2024 21.22, Thomas Huth wrote:
On 08/04/2024 18.06, Nico Boehr wrote:
Quoting Nicholas Piggin (2024-04-05 10:35:07)
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab
at the return location of the exception handler call, so
the unwinder can recognize the initial interrupt frame.
The additional cstart entry-frame is no longer required because
the unwinder now looks for frame == 0 as well as address == 0.
Signed-off-by: Nicholas Piggin
---
Acked-by: Thomas Huth
On 11/04/2024 21.22, Thomas Huth wrote:
On 08/04/2024 18.06, Nico Boehr wrote:
Quoting Nicholas Piggin (2024-04-05 10:35:07)
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab-ci.yml | 32
-by: Nicholas Piggin
---
powerpc/cstart64.S | 15 +++
1 file changed, 15 insertions(+)
Reviewed-by: Thomas Huth
++
scripts/arch-run.bash | 55 -
4 files changed, 82 insertions(+), 10 deletions(-)
Reviewed-by: Thomas Huth
On 16/04/2024 05.22, Nicholas Piggin wrote:
On Tue Apr 9, 2024 at 1:59 AM AEST, Nico Boehr wrote:
Quoting Nicholas Piggin (2024-04-05 10:35:04)
[...]
diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash
index 39419d4e2..4a1aab48d 100644
--- a/scripts/arch-run.bash
+++
++
scripts/arch-run.bash | 55 -
4 files changed, 82 insertions(+), 10 deletions(-)
Reviewed-by: Thomas Huth
On 08/04/2024 18.06, Nico Boehr wrote:
Quoting Nicholas Piggin (2024-04-05 10:35:07)
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab-ci.yml | 32 +++-
s390x/unittests.cfg | 8
ec);
+}
+
+int main(int argc, char **argv)
+{
+ void *mem = malloc(NR_PAGES*PAGE_SIZE);
Use alloc_pages(5) instead ? Or add at least some white spaces around "*".
Apart from that this patch looks sane to me, so with that line fixed:
Reviewed-by: Thomas Huth
On 19/03/2024 08.58, Nicholas Piggin wrote:
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab-ci.yml | 18 +++---
s390x/unittests.cfg | 8
2 files changed, 19 insertions(+), 7 deletions(-)
insertions(+), 5 deletions(-)
Reviewed-by: Thomas Huth
On 05/03/2024 07.29, Nicholas Piggin wrote:
On Tue Feb 27, 2024 at 6:50 PM AEST, Thomas Huth wrote:
On 26/02/2024 11.11, Nicholas Piggin wrote:
...
/* save DTB pointer */
- std r3, 56(r1)
+ SAVE_GPR(3,r1)
Isn't SAVE_GPR rather meant for the interrupt frame
On 05/03/2024 03.50, Nicholas Piggin wrote:
On Mon Mar 4, 2024 at 4:22 PM AEST, Thomas Huth wrote:
On 26/02/2024 10.38, Nicholas Piggin wrote:
This test stores to a bunch of pages and verifies previous stores,
while being continually migrated. This can fail due to a QEMU TCG
physical memory
On 05/03/2024 03.38, Nicholas Piggin wrote:
On Sat Mar 2, 2024 at 12:16 AM AEST, Thomas Huth wrote:
On 26/02/2024 10.38, Nicholas Piggin wrote:
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab-ci.yml | 18
On 05/03/2024 03.19, Nicholas Piggin wrote:
On Fri Mar 1, 2024 at 10:41 PM AEST, Thomas Huth wrote:
On 26/02/2024 11.12, Nicholas Piggin wrote:
Add basic testing of various kinds of interrupts, machine check,
page fault, illegal, decrementer, trace, syscall, etc.
This has a known failure
On 05/03/2024 03.30, Nicholas Piggin wrote:
On Fri Mar 1, 2024 at 11:45 PM AEST, Andrew Jones wrote:
On Fri, Mar 01, 2024 at 01:41:22PM +0100, Thomas Huth wrote:
On 26/02/2024 11.12, Nicholas Piggin wrote:
Add basic testing of various kinds of interrupts, machine check,
page fault, illegal
On 26/02/2024 10.38, Nicholas Piggin wrote:
This test stores to a bunch of pages and verifies previous stores,
while being continually migrated. This can fail due to a QEMU TCG
physical memory dirty bitmap bug.
Good idea, but could we then please drop "continuous" test from
On 26/02/2024 10.38, Nicholas Piggin wrote:
The cooperative migration protocol is very good to control precise
pre and post conditions for a migration event. However in some cases
its intrusiveness to the test program, can mask problems and make
analysis more difficult.
For example to stress
| 5 +
scripts/arch-run.bash | 41 +
6 files changed, 73 insertions(+), 14 deletions(-)
Reviewed-by: Thomas Huth
On 26/02/2024 10.38, Nicholas Piggin wrote:
The migration harness is complicated and easy to break so CI will
be helpful.
Signed-off-by: Nicholas Piggin
---
.gitlab-ci.yml | 18 +++---
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
100644 lib/powerpc/asm/time.h
create mode 100644 lib/ppc64/asm/time.h
Reviewed-by: Thomas Huth
On 01/03/2024 14.45, Andrew Jones wrote:
On Fri, Mar 01, 2024 at 01:41:22PM +0100, Thomas Huth wrote:
On 26/02/2024 11.12, Nicholas Piggin wrote:
Add basic testing of various kinds of interrupts, machine check,
page fault, illegal, decrementer, trace, syscall, etc.
This has a known failure
---
arm/gic.c | 21 -
s390x/migration-cmm.c | 8
s390x/migration-skey.c | 4 +++-
s390x/migration.c | 1 +
4 files changed, 20 insertions(+), 14 deletions(-)
Reviewed-by: Thomas Huth
fo}
- rm ${dst_infifo}
I assume it will not get deleted by the trap handler? ... sounds fine to me,
so I dare to say:
Reviewed-by: Thomas Huth
On 26/02/2024 11.12, Nicholas Piggin wrote:
Add basic testing of various kinds of interrupts, machine check,
page fault, illegal, decrementer, trace, syscall, etc.
This has a known failure on QEMU TCG pseries machines where MSR[ME]
can be incorrectly set to 0.
Two questions out of curiosity:
On 26/02/2024 11.11, Nicholas Piggin wrote:
Illegal instructions cause 0xe40 (HEAI) interrupts rather
than program interrupts.
Acked-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
lib/powerpc/asm/processor.h | 1 +
lib/powerpc/setup.c | 13 +
powerpc/emulator.c
| 4
powerpc/sprs.c| 17 +++--
2 files changed, 15 insertions(+), 6 deletions(-)
Reviewed-by: Thomas Huth
mp;& !(after[i] >> 32))
I guess you could also squash this into the previous patch (to avoid
problems with bisecting later?) ...
Anyway:
Reviewed-by: Thomas Huth
changed, 44 insertions(+), 24 deletions(-)
create mode 100644 lib/powerpc/asm/reg.h
create mode 100644 lib/ppc64/asm/reg.h
Reviewed-by: Thomas Huth
On 26/02/2024 11.11, Nicholas Piggin wrote:
Add support for backtracing across interrupt stacks, and
add interrupt frame backtrace for unhandled interrupts.
Signed-off-by: Nicholas Piggin
---
lib/powerpc/processor.c | 4 ++-
lib/ppc64/asm/stack.h | 3 +++
lib/ppc64/stack.c | 55
On 27/02/2024 09.50, Thomas Huth wrote:
On 26/02/2024 11.11, Nicholas Piggin wrote:
The backtrace handler terminates when it sees a NULL caller address,
but the powerpc stack setup does not keep such a NULL caller frame
at the start of the stack.
This happens to work on pseries because
On 26/02/2024 11.11, Nicholas Piggin wrote:
The backtrace handler terminates when it sees a NULL caller address,
but the powerpc stack setup does not keep such a NULL caller frame
at the start of the stack.
This happens to work on pseries because the memory at 0 is mapped and
it contains 0 at
volatile (" sc 1 " : "+r"(r3), "+r"(r4), "=r"(r5)
: "r"(r3), "r"(r4));
- return r3 == H_SUCCESS && r4 > 0 ? r5 >> 48 : -1;
+ return r3 == H_SUCCESS && r4 > 0 ? r5 >> 56 : -1;
}
Reviewed-by: Thomas Huth
quot;,cap-ccf-assist=off"
fi
Since it is needed in both cases, you could also move it out of the
if-statement and remove it from the tcg part.
Anyway,
Reviewed-by: Thomas Huth
On 26/02/2024 09.10, Nicholas Piggin wrote:
On Fri Feb 23, 2024 at 5:06 PM AEST, Thomas Huth wrote:
On 21/02/2024 04.27, Nicholas Piggin wrote:
Now that strange arm64 hang is found to be QEMU bug, I'll repost.
Since arm64 requires Thomas's uart patch and it is worse affected
by the QEMU bug, I
On 21/02/2024 04.27, Nicholas Piggin wrote:
Now that strange arm64 hang is found to be QEMU bug, I'll repost.
Since arm64 requires Thomas's uart patch and it is worse affected
by the QEMU bug, I will just not build it on arm. The QEMU bug
still affects powerpc (and presumably s390x) but it's not
On 17/02/2024 08.19, Nicholas Piggin wrote:
On Fri Feb 16, 2024 at 9:15 PM AEST, Thomas Huth wrote:
On 09/02/2024 10.11, Nicholas Piggin wrote:
Add a selftest for migration support in guest library and test harness
code. It performs migrations in a tight loop to irritate races and bugs
)
Reviewed-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
arm/Makefile.common | 1 +
arm/selftest-migration.c | 1 +
arm/unittests.cfg| 6 ++
common/selftest-migration.c | 34 ++
powerpc/Makefile.common | 1 +
powerpc
)
Reviewed-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
arm/Makefile.common | 1 +
arm/selftest-migration.c | 1 +
arm/unittests.cfg| 6 ++
Hi Nicholas,
I just gave the patches a try, but the arm test seems to fail for me: Only
the first getchar() seems
+++
lib/migrate.h | 1 +
scripts/arch-run.bash | 4 ++--
3 files changed, 14 insertions(+), 2 deletions(-)
Reviewed-by: Thomas Huth
() one or more times.
Signed-off-by: Nicholas Piggin
---
lib/migrate.c | 8 ++--
lib/migrate.h | 1 +
scripts/arch-run.bash | 86 ---
3 files changed, 77 insertions(+), 18 deletions(-)
Reviewed-by: Thomas Huth
_UNIT_TESTS_ENV" ] && export
KVM_UNIT_TESTS_ENV_OLD="$KVM_UNIT_TESTS_ENV"
export KVM_UNIT_TESTS_ENV=$(mktemp)
env_params
Reviewed-by: Thomas Huth
On 09/02/2024 09.39, Nicholas Piggin wrote:
On Fri Feb 9, 2024 at 6:19 PM AEST, Thomas Huth wrote:
On 09/02/2024 08.01, Nicholas Piggin wrote:
Support multiple migrations by flipping dest file/socket variables to
source after the migration is complete, ready to start again. A new
destination
4
Please swap the last two lines!
# Test PCI emulation
[pci-test]
file = pci-test.flat
With the nits fixed:
Reviewed-by: Thomas Huth
wed-by: Thomas Huth
+-
1 file changed, 58 insertions(+), 57 deletions(-)
Acked-by: Thomas Huth
On 09/02/2024 08.01, Nicholas Piggin wrote:
Support multiple migrations by flipping dest file/socket variables to
source after the migration is complete, ready to start again. A new
destination is created if the test outputs the migrate line again.
Test cases may now switch to calling migrate()
On 09/02/2024 08.01, Nicholas Piggin wrote:
Console output required to support migration becomes quite noisy
when doing lots of migrations. Provide a migrate_quiet() call that
suppresses console output and doesn't log a message.
Signed-off-by: Nicholas Piggin
---
lib/migrate.c | 12
while ! [ -S ${migsock} ] ; do sleep 0.1 ; done
+ while ! [ -S ${qmp2} ] ; do sleep 0.1 ; done
+
qmp ${qmp1} '"migrate", "arguments": { "uri": "unix:'${migsock}'" }' >
${qmpout1}
# Wait for the migration to complete
Reviewed-by: Thomas Huth
On 09/02/2024 08.01, Nicholas Piggin wrote:
Rather than put a big script into the trap handler, have it call
a function.
Signed-off-by: Nicholas Piggin
---
scripts/arch-run.bash | 13 -
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/scripts/arch-run.bash
, and expands
the name variables at trap-time rather than install-time, which closes
the small race between creation trap handler install.
Reviewed-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
scripts/arch-run.bash | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff
RETURN EXIT
# start VM stopped so we don't miss any events
eval "$@" -chardev socket,id=mon1,path=${qmp},server=on,wait=off \
So the point is that the "EXIT" trap wasn't executed without the "trap -
TERM" in the other trap? ... ok, then your patch certainly makes sense.
Reviewed-by: Thomas Huth
On 02/02/2024 07.57, Nicholas Piggin wrote:
Rather than put a big script into the trap handler, have it call
a function.
Signed-off-by: Nicholas Piggin
---
scripts/arch-run.bash | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/scripts/arch-run.bash
On 02/02/2024 10.30, Andrew Jones wrote:
On Fri, Feb 02, 2024 at 04:57:32PM +1000, Nicholas Piggin wrote:
Using all prerequisites for the source file results in the build
dying on the second time around with:
gcc: fatal error: cannot specify ‘-o’ with ‘-c’, ‘-S’ or ‘-E’ with multiple
files
a/powerpc/timebase.c b/powerpc/timebase.c
new file mode 100644
index ..4d80ea09
--- /dev/null
+++ b/powerpc/timebase.c
@@ -0,0 +1,328 @@
+/*
+ * Test Timebase
+ *
+ * Copyright 2017 Thomas Huth, Red Hat Inc.
No, not really. Please update ;-)
Thomas
printf("RTAS stop-self returnd %d\n", ret);
s/returnd/returned/
+}
With the typo fixed:
Reviewed-by: Thomas Huth
On 16/12/2023 14.42, Nicholas Piggin wrote:
Add basic testing of various kinds of interrupts, machine check,
page fault, illegal, decrementer, trace, syscall, etc.
This has a known failure on QEMU TCG pseries machines where MSR[ME]
can be incorrectly set to 0.
Signed-off-by: Nicholas Piggin
On 16/12/2023 14.42, Nicholas Piggin wrote:
Illegal instructions cause 0xe40 (HEAI) interrupts rather
than program interrupts.
Signed-off-by: Nicholas Piggin
---
powerpc/emulator.c | 19 ++-
1 file changed, 18 insertions(+), 1 deletion(-)
Acked-by: Thomas Huth
must tolerate case differences in kernel
load error message.
Signed-off-by: Nicholas Piggin
---
scripts/runtime.bash | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Acked-by: Thomas Huth
2 files changed, 18 insertions(+), 6 deletions(-)
Acked-by: Thomas Huth
On 16/12/2023 14.42, Nicholas Piggin wrote:
The backtrace handler terminates when it sees a NULL caller address,
but the powerpc stack setup does not keep such a NULL caller frame
at the start of the stack.
This happens to work on pseries because the memory at 0 is mapped and
it contains 0 at
. += 64K;
Acked-by: Thomas Huth
---
lib/powerpc/processor.c | 16 +++-
1 file changed, 11 insertions(+), 5 deletions(-)
Reviewed-by: Thomas Huth
On 16/12/2023 14.42, Nicholas Piggin wrote:
Installing the same handler twice reports a shifted trap vector
address which is hard to decipher. Print the unshifed address.
Signed-off-by: Nicholas Piggin
---
lib/powerpc/processor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff
On 16/12/2023 14.42, Nicholas Piggin wrote:
Storing certain values in some registers can cause asynchronous
interrupts that can crash the test case, for example decrementer
or PMU interrupts.
Change the msleep to mdelay which does not enable MSR[EE] and so
avoids the problem. This allows
I guess you could even squash this into the previous patch.
Anyway:
Reviewed-by: Thomas Huth
not being used
at the moment for completeness, but also the code might one day be
reused for a hypervisor-privileged test.
Acked-by: Thomas Huth
Signed-off-by: Nicholas Piggin
---
powerpc/sprs.c | 643 ++---
1 file changed, 450 insertions(+), 193 deletions
insertions(+)
Reviewed-by: Thomas Huth
..e71140aa 100644
--- a/powerpc/unittests.cfg
+++ b/powerpc/unittests.cfg
@@ -65,6 +65,7 @@ file = emulator.elf
[h_cede_tm]
file = tm.elf
+accel = kvm
smp = 2,threads=2
extra_params = -machine cap-htm=on -append "h_cede_tm"
groups = h_cede_tm
Reviewed-by: Thomas Huth
On 16/12/2023 14.42, Nicholas Piggin wrote:
This performs 1000 migrations a tight loop to flush out simple issues
in the multiple-migration code.
Signed-off-by: Nicholas Piggin
---
powerpc/Makefile.common | 1 +
powerpc/migrate.c | 64 +
2
fixed in QEMU instead (e.g. by providing a different CPU model for TCG mode).
Anyway, for the time being:
Reviewed-by: Thomas Huth
include $(srctree)/virt/kvm/Makefile.kvm
-ccflags-y := -Ivirt/kvm -Iarch/s390/kvm
+ccflags-y := -Iarch/s390/kvm
kvm-y += kvm-s390.o intercept.o interrupt.o priv.o sigp.o
kvm-y += diag.o gaccess.o guestdbg.o vsie.o pv.o
Reviewed-by: Thomas Huth
On 27/06/2023 00.34, Sean Christopherson wrote:
On Fri, Jun 23, 2023, Thomas Huth wrote:
On 23/06/2023 16.24, Sean Christopherson wrote:
On Fri, Jun 23, 2023, Thomas Huth wrote:
Newer versions of ld (from binutils 2.40) complain on s390x and x86:
ld: warning: s390x/cpu.o: missing
On 08/06/2023 09.58, Nicholas Piggin wrote:
Posting again, a couple of patches were merged and accounted for review
comments from last time.
Sorry for not being very responsive ... it's been a busy month.
Anyway, I've now merged the first 5 patches and the VPA test since they look
fine to
On 08/06/2023 09.58, Nicholas Piggin wrote:
This consolidates several implementations, and it no longer leaves
MSR[EE] enabled after the decrementer interrupt is handled, but
rather disables it on return.
The handler no longer allows a continuous ticking, but rather dec
has to be re-armed and
On 23/06/2023 16.24, Sean Christopherson wrote:
On Fri, Jun 23, 2023, Thomas Huth wrote:
Newer versions of ld (from binutils 2.40) complain on s390x and x86:
ld: warning: s390x/cpu.o: missing .note.GNU-stack section implies
executable stack
ld: NOTE: This behaviour
these warnings by using "-z noexecstack" for linking
(which should not have any real influence on the kvm-unit-tests since
the information from the ELF header is not used here anyway, so it's
just cosmetics).
Signed-off-by: Thomas Huth
---
Makefile | 2 +-
1 file changed, 1 insertion(+),
ditionally to the linker.
Signed-off-by: Thomas Huth
---
Makefile| 2 +-
arm/Makefile.common | 2 +-
powerpc/Makefile.common | 2 +-
s390x/Makefile | 2 +-
x86/Makefile.common | 4 ++--
5 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/Makefile b/Make
t-tests, I
had to discover that the common LDFLAGS are hardly used anywhere,
so the first patch cleans up that problem first before adding the
new flag in the second patch.
Thomas Huth (2):
Rework the common LDFLAGS to become more useful again
Link with "-z noexecstack" to avoi
xception handler installed twice %#x\n", trap);
+ abort();
}
+ handlers[trap].func = func;
+ handlers[trap].data = data;
}
void do_handle_exception(struct pt_regs *regs)
Reviewed-by: Thomas Huth
On 08/06/2023 09.58, Nicholas Piggin wrote:
Signed-off-by: Nicholas Piggin
---
Since v3:
- New patch
lib/powerpc/processor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/powerpc/processor.c b/lib/powerpc/processor.c
index ec85b9d8..05b4b04f 100644
---
return r;
+ /* Indicate we want to get back into the guest */
+ return 1;
}
/* MMU Notifiers */
Please make sure to CC: linuxppc-dev@lists.ozlabs.org when sending patches
for KVM on ppc.
Reviewed-by: Thomas Huth
the address
With s/addreses/addresses/ :
Acked-by: Thomas Huth
/ HSRR type interrupts which will be used in
a later change.
Signed-off-by: Nicholas Piggin
---
powerpc/cstart64.S | 79 ++
1 file changed, 65 insertions(+), 14 deletions(-)
Acked-by: Thomas Huth
On 27/03/2023 14.45, Nicholas Piggin wrote:
Exception handlers are currently indexed in units of 0x100, but
powerpc can have vectors that are aligned to as little as 0x20
bytes. Increase granularity of the handler functions before
adding support for thse vectors.
s/thse/those/
Thomas
On 27/03/2023 14.45, Nicholas Piggin wrote:
The VPA is an optional memory structure shared between the hypervisor
and operating system, defined by PAPR. This test defines the structure
and adds registration, deregistration, and a few simple sanity tests.
[Thanks to Thomas Huth for suggesting
bugs which really motivated me to
improve the SPR coverage.
---
Since v2:
- Merged with "Indirect SPR accessor functions" patch.
powerpc/sprs.c | 643 ++---
1 file changed, 450 insertions(+), 193 deletions(-)
Acked-by: Thomas Huth
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