Merge "Merge be100a8460e3 ("LoongArch: Mark 3 symbol exports as non-GPL") into android14-6.1" into android14-6.1
diff --git a/arch/loongarch/include/asm/cpu-features.h b/arch/loongarch/include/asm/cpu-features.h
index b079742..f6177f1 100644
--- a/arch/loongarch/include/asm/cpu-features.h
+++ b/arch/loongarch/include/asm/cpu-features.h
@@ -42,6 +42,7 @@
 #define cpu_has_fpu		cpu_opt(LOONGARCH_CPU_FPU)
 #define cpu_has_lsx		cpu_opt(LOONGARCH_CPU_LSX)
 #define cpu_has_lasx		cpu_opt(LOONGARCH_CPU_LASX)
+#define cpu_has_crc32		cpu_opt(LOONGARCH_CPU_CRC32)
 #define cpu_has_complex		cpu_opt(LOONGARCH_CPU_COMPLEX)
 #define cpu_has_crypto		cpu_opt(LOONGARCH_CPU_CRYPTO)
 #define cpu_has_lvz		cpu_opt(LOONGARCH_CPU_LVZ)
diff --git a/arch/loongarch/include/asm/cpu.h b/arch/loongarch/include/asm/cpu.h
index 754f285..9275770 100644
--- a/arch/loongarch/include/asm/cpu.h
+++ b/arch/loongarch/include/asm/cpu.h
@@ -78,25 +78,26 @@ enum cpu_type_enum {
 #define CPU_FEATURE_FPU			3	/* CPU has FPU */
 #define CPU_FEATURE_LSX			4	/* CPU has LSX (128-bit SIMD) */
 #define CPU_FEATURE_LASX		5	/* CPU has LASX (256-bit SIMD) */
-#define CPU_FEATURE_COMPLEX		6	/* CPU has Complex instructions */
-#define CPU_FEATURE_CRYPTO		7	/* CPU has Crypto instructions */
-#define CPU_FEATURE_LVZ			8	/* CPU has Virtualization extension */
-#define CPU_FEATURE_LBT_X86		9	/* CPU has X86 Binary Translation */
-#define CPU_FEATURE_LBT_ARM		10	/* CPU has ARM Binary Translation */
-#define CPU_FEATURE_LBT_MIPS		11	/* CPU has MIPS Binary Translation */
-#define CPU_FEATURE_TLB			12	/* CPU has TLB */
-#define CPU_FEATURE_CSR			13	/* CPU has CSR */
-#define CPU_FEATURE_WATCH		14	/* CPU has watchpoint registers */
-#define CPU_FEATURE_VINT		15	/* CPU has vectored interrupts */
-#define CPU_FEATURE_CSRIPI		16	/* CPU has CSR-IPI */
-#define CPU_FEATURE_EXTIOI		17	/* CPU has EXT-IOI */
-#define CPU_FEATURE_PREFETCH		18	/* CPU has prefetch instructions */
-#define CPU_FEATURE_PMP			19	/* CPU has perfermance counter */
-#define CPU_FEATURE_SCALEFREQ		20	/* CPU supports cpufreq scaling */
-#define CPU_FEATURE_FLATMODE		21	/* CPU has flat mode */
-#define CPU_FEATURE_EIODECODE		22	/* CPU has EXTIOI interrupt pin decode mode */
-#define CPU_FEATURE_GUESTID		23	/* CPU has GuestID feature */
-#define CPU_FEATURE_HYPERVISOR		24	/* CPU has hypervisor (running in VM) */
+#define CPU_FEATURE_CRC32		6	/* CPU has CRC32 instructions */
+#define CPU_FEATURE_COMPLEX		7	/* CPU has Complex instructions */
+#define CPU_FEATURE_CRYPTO		8	/* CPU has Crypto instructions */
+#define CPU_FEATURE_LVZ			9	/* CPU has Virtualization extension */
+#define CPU_FEATURE_LBT_X86		10	/* CPU has X86 Binary Translation */
+#define CPU_FEATURE_LBT_ARM		11	/* CPU has ARM Binary Translation */
+#define CPU_FEATURE_LBT_MIPS		12	/* CPU has MIPS Binary Translation */
+#define CPU_FEATURE_TLB			13	/* CPU has TLB */
+#define CPU_FEATURE_CSR			14	/* CPU has CSR */
+#define CPU_FEATURE_WATCH		15	/* CPU has watchpoint registers */
+#define CPU_FEATURE_VINT		16	/* CPU has vectored interrupts */
+#define CPU_FEATURE_CSRIPI		17	/* CPU has CSR-IPI */
+#define CPU_FEATURE_EXTIOI		18	/* CPU has EXT-IOI */
+#define CPU_FEATURE_PREFETCH		19	/* CPU has prefetch instructions */
+#define CPU_FEATURE_PMP			20	/* CPU has perfermance counter */
+#define CPU_FEATURE_SCALEFREQ		21	/* CPU supports cpufreq scaling */
+#define CPU_FEATURE_FLATMODE		22	/* CPU has flat mode */
+#define CPU_FEATURE_EIODECODE		23	/* CPU has EXTIOI interrupt pin decode mode */
+#define CPU_FEATURE_GUESTID		24	/* CPU has GuestID feature */
+#define CPU_FEATURE_HYPERVISOR		25	/* CPU has hypervisor (running in VM) */
 
 #define LOONGARCH_CPU_CPUCFG		BIT_ULL(CPU_FEATURE_CPUCFG)
 #define LOONGARCH_CPU_LAM		BIT_ULL(CPU_FEATURE_LAM)
@@ -104,6 +105,7 @@ enum cpu_type_enum {
 #define LOONGARCH_CPU_FPU		BIT_ULL(CPU_FEATURE_FPU)
 #define LOONGARCH_CPU_LSX		BIT_ULL(CPU_FEATURE_LSX)
 #define LOONGARCH_CPU_LASX		BIT_ULL(CPU_FEATURE_LASX)
+#define LOONGARCH_CPU_CRC32		BIT_ULL(CPU_FEATURE_CRC32)
 #define LOONGARCH_CPU_COMPLEX		BIT_ULL(CPU_FEATURE_COMPLEX)
 #define LOONGARCH_CPU_CRYPTO		BIT_ULL(CPU_FEATURE_CRYPTO)
 #define LOONGARCH_CPU_LVZ		BIT_ULL(CPU_FEATURE_LVZ)
diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h
index 7f8d57a..62835d8 100644
--- a/arch/loongarch/include/asm/loongarch.h
+++ b/arch/loongarch/include/asm/loongarch.h
@@ -117,7 +117,7 @@ static inline u32 read_cpucfg(u32 reg)
 #define  CPUCFG1_EP			BIT(22)
 #define  CPUCFG1_RPLV			BIT(23)
 #define  CPUCFG1_HUGEPG			BIT(24)
-#define  CPUCFG1_IOCSRBRD		BIT(25)
+#define  CPUCFG1_CRC32			BIT(25)
 #define  CPUCFG1_MSGINT			BIT(26)
 
 #define LOONGARCH_CPUCFG2		0x2
diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c
index 3a3fce2..5adf0f7 100644
--- a/arch/loongarch/kernel/cpu-probe.c
+++ b/arch/loongarch/kernel/cpu-probe.c
@@ -60,7 +60,7 @@ static inline void set_elf_platform(int cpu, const char *plat)
 
 /* MAP BASE */
 unsigned long vm_map_base;
-EXPORT_SYMBOL_GPL(vm_map_base);
+EXPORT_SYMBOL(vm_map_base);
 
 static void cpu_probe_addrbits(struct cpuinfo_loongarch *c)
 {
@@ -94,13 +94,18 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c)
 	c->options = LOONGARCH_CPU_CPUCFG | LOONGARCH_CPU_CSR |
 		     LOONGARCH_CPU_TLB | LOONGARCH_CPU_VINT | LOONGARCH_CPU_WATCH;
 
-	elf_hwcap = HWCAP_LOONGARCH_CPUCFG | HWCAP_LOONGARCH_CRC32;
+	elf_hwcap = HWCAP_LOONGARCH_CPUCFG;
 
 	config = read_cpucfg(LOONGARCH_CPUCFG1);
 	if (config & CPUCFG1_UAL) {
 		c->options |= LOONGARCH_CPU_UAL;
 		elf_hwcap |= HWCAP_LOONGARCH_UAL;
 	}
+	if (config & CPUCFG1_CRC32) {
+		c->options |= LOONGARCH_CPU_CRC32;
+		elf_hwcap |= HWCAP_LOONGARCH_CRC32;
+	}
+
 
 	config = read_cpucfg(LOONGARCH_CPUCFG2);
 	if (config & CPUCFG2_LAM) {
diff --git a/arch/loongarch/kernel/proc.c b/arch/loongarch/kernel/proc.c
index 5c67cc4..0d82907 100644
--- a/arch/loongarch/kernel/proc.c
+++ b/arch/loongarch/kernel/proc.c
@@ -76,6 +76,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	if (cpu_has_fpu)	seq_printf(m, " fpu");
 	if (cpu_has_lsx)	seq_printf(m, " lsx");
 	if (cpu_has_lasx)	seq_printf(m, " lasx");
+	if (cpu_has_crc32)	seq_printf(m, " crc32");
 	if (cpu_has_complex)	seq_printf(m, " complex");
 	if (cpu_has_crypto)	seq_printf(m, " crypto");
 	if (cpu_has_lvz)	seq_printf(m, " lvz");
diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index 0800617..c7e9c96 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -41,7 +41,7 @@
  * don't have to care about aliases on other CPUs.
  */
 unsigned long empty_zero_page, zero_page_mask;
-EXPORT_SYMBOL_GPL(empty_zero_page);
+EXPORT_SYMBOL(empty_zero_page);
 EXPORT_SYMBOL(zero_page_mask);
 
 void setup_zero_pages(void)
@@ -231,7 +231,7 @@ pud_t invalid_pud_table[PTRS_PER_PUD] __page_aligned_bss;
 #endif
 #ifndef __PAGETABLE_PMD_FOLDED
 pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned_bss;
-EXPORT_SYMBOL_GPL(invalid_pmd_table);
+EXPORT_SYMBOL(invalid_pmd_table);
 #endif
 pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss;
 EXPORT_SYMBOL(invalid_pte_table);