| Message ID | 20190520091730.15536-1-nadav.amit@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [kvm-unit-tests] x86: Fix SMP stacks | expand |
On 20/05/19 11:17, Nadav Amit wrote: > Avoid smashing the SMP stacks during boot as currently happens by > allocating sufficient space for them. > > Signed-off-by: Nadav Amit <nadav.amit@gmail.com> > --- > x86/cstart64.S | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/x86/cstart64.S b/x86/cstart64.S > index a4b55c5..71c3153 100644 > --- a/x86/cstart64.S > +++ b/x86/cstart64.S > @@ -19,7 +19,7 @@ max_cpus = MAX_TEST_CPUS > .align 16 > stacktop: > > - . = . + 4096 > + . = . + 4096 * max_cpus > .align 16 > ring0stacktop: > > @@ -170,7 +170,7 @@ efer = 0xc0000080 > mov %eax, %cr0 > ret > > -smp_stacktop: .long 0xa0000 > +smp_stacktop: .long stacktop - 4096 > > .align 16 > > Queued, thanks. Paolo
diff --git a/x86/cstart64.S b/x86/cstart64.S index a4b55c5..71c3153 100644 --- a/x86/cstart64.S +++ b/x86/cstart64.S @@ -19,7 +19,7 @@ max_cpus = MAX_TEST_CPUS .align 16 stacktop: - . = . + 4096 + . = . + 4096 * max_cpus .align 16 ring0stacktop: @@ -170,7 +170,7 @@ efer = 0xc0000080 mov %eax, %cr0 ret -smp_stacktop: .long 0xa0000 +smp_stacktop: .long stacktop - 4096 .align 16
Avoid smashing the SMP stacks during boot as currently happens by allocating sufficient space for them. Signed-off-by: Nadav Amit <nadav.amit@gmail.com> --- x86/cstart64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)