Merge tag 's390-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Raise minimum supported machine generation to z10, which comes with
   various cleanups and code simplifications (usercopy/spectre
   mitigation/etc).

 - Rework extables and get rid of anonymous out-of-line fixups.

 - Page table helpers cleanup. Add set_pXd()/set_pte() helper functions.
   Covert pte_val()/pXd_val() macros to functions.

 - Optimize kretprobe handling by avoiding extra kprobe on
   __kretprobe_trampoline.

 - Add support for CEX8 crypto cards.

 - Allow to trigger AP bus rescan via writing to /sys/bus/ap/scans.

 - Add CONFIG_EXPOLINE_EXTERN option to build the kernel without COMDAT
   group sections which simplifies kpatch support.

 - Always use the packed stack layout and extend kernel unwinder tests.

 - Add sanity checks for ftrace code patching.

 - Add s390dbf debug log for the vfio_ap device driver.

 - Various virtual vs physical address confusion fixes.

 - Various small fixes and improvements all over the code.

* tag 's390-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (69 commits)
  s390/test_unwind: add kretprobe tests
  s390/kprobes: Avoid additional kprobe in kretprobe handling
  s390: convert ".insn" encoding to instruction names
  s390: assume stckf is always present
  s390/nospec: move to single register thunks
  s390: raise minimum supported machine generation to z10
  s390/uaccess: Add copy_from/to_user_key functions
  s390/nospec: align and size extern thunks
  s390/nospec: add an option to use thunk-extern
  s390/nospec: generate single register thunks if possible
  s390/pci: make zpci_set_irq()/zpci_clear_irq() static
  s390: remove unused expoline to BC instructions
  s390/irq: use assignment instead of cast
  s390/traps: get rid of magic cast for per code
  s390/traps: get rid of magic cast for program interruption code
  s390/signal: fix typo in comments
  s390/asm-offsets: remove unused defines
  s390/test_unwind: avoid build warning with W=1
  s390: remove .fixup section
  s390/bpf: encode register within extable entry
  ...

1 files changed, 3 insertions, 19 deletions

diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index d9d4a806979e..7a74ea5f7531 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -172,8 +172,7 @@ static void show_cpu_summary(struct seq_file *m, void *v)
 static int __init setup_hwcaps(void)
 {
 	/* instructions named N3, "backported" to esa-mode */
-	if (test_facility(0))
-		elf_hwcap |= HWCAP_ESAN3;
+	elf_hwcap |= HWCAP_ESAN3;
 
 	/* z/Architecture mode active */
 	elf_hwcap |= HWCAP_ZARCH;
@@ -191,8 +190,7 @@ static int __init setup_hwcaps(void)
 		elf_hwcap |= HWCAP_LDISP;
 
 	/* extended-immediate */
-	if (test_facility(21))
-		elf_hwcap |= HWCAP_EIMM;
+	elf_hwcap |= HWCAP_EIMM;
 
 	/* extended-translation facility 3 enhancement */
 	if (test_facility(22) && test_facility(30))
@@ -262,21 +260,7 @@ static int __init setup_elf_platform(void)
 	get_cpu_id(&cpu_id);
 	add_device_randomness(&cpu_id, sizeof(cpu_id));
 	switch (cpu_id.machine) {
-	case 0x2064:
-	case 0x2066:
-	default:	/* Use "z900" as default for 64 bit kernels. */
-		strcpy(elf_platform, "z900");
-		break;
-	case 0x2084:
-	case 0x2086:
-		strcpy(elf_platform, "z990");
-		break;
-	case 0x2094:
-	case 0x2096:
-		strcpy(elf_platform, "z9-109");
-		break;
-	case 0x2097:
-	case 0x2098:
+	default:	/* Use "z10" as default. */
 		strcpy(elf_platform, "z10");
 		break;
 	case 0x2817: