Merge tag 'riscv-mw2-6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux into for-next

riscv patches for 6.15-rc1, part 2

* A bunch of fixes:
  - 2 fixes in the purgatory code which prevented kexec to work
  - Workaround an issue with gcc-15

* tag 'riscv-mw2-6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux:
  riscv: Add norvc after .option arch in runtime const
  riscv: Make sure toolchain supports zba before using zba instructions
  riscv/purgatory: 4B align purgatory_start
  riscv/kexec_file: Handle R_RISCV_64 in purgatory relocator
  selftests: riscv: fix v_exec_initval_nolibc.c
  riscv: Fix hugetlb retrieval of number of ptes in case of !present pte
  riscv: print hartid on bringup
  dt-bindings: riscv: document vector crypto requirements
  dt-bindings: riscv: add vector sub-extension dependencies
  dt-bindings: riscv: d requires f
  RISC-V: add f & d extension validation checks
  RISC-V: add vector crypto extension validation checks
  RISC-V: add vector extension validation checks

1 files changed, 3 insertions, 7 deletions

diff --git a/tools/testing/selftests/riscv/vector/v_exec_initval_nolibc.c b/tools/testing/selftests/riscv/vector/v_exec_initval_nolibc.c
index 35c0812e32de..4dde05e45a04 100644
--- a/tools/testing/selftests/riscv/vector/v_exec_initval_nolibc.c
+++ b/tools/testing/selftests/riscv/vector/v_exec_initval_nolibc.c
@@ -6,7 +6,7 @@
  * the values. To further ensure consistency, this file is compiled without
  * libc and without auto-vectorization.
  *
- * To be "clean" all values must be either all ones or all zeroes.
+ * To be "clean" all values must be all zeroes.
  */
 
 #define __stringify_1(x...)	#x
@@ -14,9 +14,8 @@
 
 int main(int argc, char **argv)
 {
-	char prev_value = 0, value;
+	char value = 0;
 	unsigned long vl;
-	int first = 1;
 
 	if (argc > 2 && strcmp(argv[2], "x"))
 		asm volatile (
@@ -44,14 +43,11 @@ int main(int argc, char **argv)
 			"vsrl.vi " __stringify(register) ", " __stringify(register) ", 8\n\t" \
 			".option pop\n\t"					\
 			: "=r" (value));					\
-		if (first) {							\
-			first = 0;						\
-		} else if (value != prev_value || !(value == 0x00 || value == 0xff)) { \
+		if (value != 0x00) {						\
 			printf("Register " __stringify(register)		\
 				" values not clean! value: %u\n", value);	\
 			exit(-1);						\
 		}								\
-		prev_value = value;						\
 	}									\
 })