diff options
Diffstat (limited to 'debian/patches/bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch')
-rw-r--r-- | debian/patches/bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/debian/patches/bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch b/debian/patches/bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch deleted file mode 100644 index 658710bb5..000000000 --- a/debian/patches/bugfix/x86/gds/x86-xen-fix-secondary-processors-fpu-initialization.patch +++ /dev/null @@ -1,44 +0,0 @@ -From fe3e0a13e597c1c8617814bf9b42ab732db5c26e Mon Sep 17 00:00:00 2001 -From: Juergen Gross <jgross@suse.com> -Date: Mon, 3 Jul 2023 15:00:32 +0200 -Subject: x86/xen: Fix secondary processors' FPU initialization - -From: Juergen Gross <jgross@suse.com> - -commit fe3e0a13e597c1c8617814bf9b42ab732db5c26e upstream. - -Moving the call of fpu__init_cpu() from cpu_init() to start_secondary() -broke Xen PV guests, as those don't call start_secondary() for APs. - -Call fpu__init_cpu() in Xen's cpu_bringup(), which is the Xen PV -replacement of start_secondary(). - -Fixes: b81fac906a8f ("x86/fpu: Move FPU initialization into arch_cpu_finalize_init()") -Signed-off-by: Juergen Gross <jgross@suse.com> -Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> -Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> -Acked-by: Thomas Gleixner <tglx@linutronix.de> -Link: https://lore.kernel.org/r/20230703130032.22916-1-jgross@suse.com -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/xen/smp_pv.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/arch/x86/xen/smp_pv.c -+++ b/arch/x86/xen/smp_pv.c -@@ -27,6 +27,7 @@ - #include <asm/desc.h> - #include <asm/pgtable.h> - #include <asm/cpu.h> -+#include <asm/fpu/internal.h> - - #include <xen/interface/xen.h> - #include <xen/interface/vcpu.h> -@@ -58,6 +59,7 @@ static void cpu_bringup(void) - int cpu; - - cpu_init(); -+ fpu__init_cpu(); - touch_softlockup_watchdog(); - preempt_disable(); - |