Merge tag 'kvm-s390-master-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master

KVM: s390: Fix for 5.7 and maintainer update

- Silence false positive lockdep warning
- add Claudio as reviewer

1 files changed, 21 insertions, 13 deletions

diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index aa41af6ef4ac..b2b1cb645d9e 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -19,6 +19,7 @@
 #include <uapi/linux/mount.h>
 #include <asm/sections.h>
 #include <asm/arcregs.h>
+#include <asm/asserts.h>
 #include <asm/tlb.h>
 #include <asm/setup.h>
 #include <asm/page.h>
@@ -26,6 +27,7 @@
 #include <asm/unwind.h>
 #include <asm/mach_desc.h>
 #include <asm/smp.h>
+#include <asm/dsp-impl.h>
 
 #define FIX_PTR(x)  __asm__ __volatile__(";" : "+r"(x))
 
@@ -389,11 +391,24 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len)
 	return buf;
 }
 
+void chk_opt_strict(char *opt_name, bool hw_exists, bool opt_ena)
+{
+	if (hw_exists && !opt_ena)
+		pr_warn(" ! Enable %s for working apps\n", opt_name);
+	else if (!hw_exists && opt_ena)
+		panic("Disable %s, hardware NOT present\n", opt_name);
+}
+
+void chk_opt_weak(char *opt_name, bool hw_exists, bool opt_ena)
+{
+	if (!hw_exists && opt_ena)
+		panic("Disable %s, hardware NOT present\n", opt_name);
+}
+
 static void arc_chk_core_config(void)
 {
 	struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()];
-	int saved = 0, present = 0;
-	char *opt_nm = NULL;
+	int present = 0;
 
 	if (!cpu->extn.timer0)
 		panic("Timer0 is not present!\n");
@@ -425,23 +440,16 @@ static void arc_chk_core_config(void)
 	 */
 
 	if (is_isa_arcompact()) {
-		opt_nm = "CONFIG_ARC_FPU_SAVE_RESTORE";
-		saved = IS_ENABLED(CONFIG_ARC_FPU_SAVE_RESTORE);
-
 		/* only DPDP checked since SP has no arch visible regs */
 		present = cpu->extn.fpu_dp;
+		CHK_OPT_STRICT(CONFIG_ARC_FPU_SAVE_RESTORE, present);
 	} else {
-		opt_nm = "CONFIG_ARC_HAS_ACCL_REGS";
-		saved = IS_ENABLED(CONFIG_ARC_HAS_ACCL_REGS);
-
 		/* Accumulator Low:High pair (r58:59) present if DSP MPY or FPU */
 		present = cpu->extn_mpy.dsp | cpu->extn.fpu_sp | cpu->extn.fpu_dp;
-	}
+		CHK_OPT_STRICT(CONFIG_ARC_HAS_ACCL_REGS, present);
 
-	if (present && !saved)
-		pr_warn("Enable %s for working apps\n", opt_nm);
-	else if (!present && saved)
-		panic("Disable %s, hardware NOT present\n", opt_nm);
+		dsp_config_check();
+	}
 }
 
 /*