On Tue, Jan 11, 2022 at 07:42:54PM +0000, Sean Christopherson wrote:
> On Mon, Jan 10, 2022, Ricardo Koller wrote:
> > Clang inlines some functions (like test_ss) which define global labels
> > in inline assembly (e.g., ss_start). This results in:
> >
> > arm/debug.c:382:15: error: invalid symbol redefinition
> > asm volatile("ss_start:\n"
> > ^
> > <inline asm>:1:2: note: instantiated into assembly here
> > ss_start:
> > ^
> > 1 error generated.
> >
> > Fix these functions by marking them as "noinline".
> >
> > Cc: Andrew Jones <drjones@xxxxxxxxxx>
> > Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx>
> > ---
> > This applies on top of: "[kvm-unit-tests PATCH 0/3] arm64: debug: add migration tests for debug state"
> > which is in https://gitlab.com/rhdrjones/kvm-unit-tests/-/commits/arm/queue.
> >
> > arm/debug.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/arm/debug.c b/arm/debug.c
> > index 54f059d..6c5b683 100644
> > --- a/arm/debug.c
> > +++ b/arm/debug.c
> > @@ -264,7 +264,7 @@ static void do_migrate(void)
> > report_info("Migration complete");
> > }
> >
> > -static void test_hw_bp(bool migrate)
> > +static __attribute__((noinline)) void test_hw_bp(bool migrate)
>
> Use "noinline", which was added by commit 16431a7 ("lib: define the "noinline" macro").
Will do, thanks for the pointer.
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
