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authorJason Gunthorpe <jgg@nvidia.com>2023-02-21 18:11:03 +0300
committerJason Gunthorpe <jgg@nvidia.com>2023-02-21 18:11:03 +0300
commit939204e4df962982cbc84acc26b29b421dd530a8 (patch)
tree753698947a28ff1f18857d198a671317352f16c8 /arch/riscv/include
parentb4ff830eca097df51af10a9be29e8cc817327919 (diff)
parentc9c3395d5e3dcc6daee66c6908354d47bf98cb0c (diff)
downloadlinux-939204e4df962982cbc84acc26b29b421dd530a8.tar.xz
Merge tag 'v6.2' into iommufd.git for-next
Resolve conflicts from the signature change in iommu_map: - drivers/infiniband/hw/usnic/usnic_uiom.c Switch iommu_map_atomic() to iommu_map(.., GFP_ATOMIC) - drivers/vfio/vfio_iommu_type1.c Following indenting change for GFP_KERNEL Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'arch/riscv/include')
-rw-r--r--arch/riscv/include/asm/alternative-macros.h2
-rw-r--r--arch/riscv/include/asm/hwcap.h3
-rw-r--r--arch/riscv/include/asm/pgtable.h4
-rw-r--r--arch/riscv/include/asm/vdso/processor.h28
4 files changed, 17 insertions, 20 deletions
diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h
index 7226e2462584..2c0f4c887289 100644
--- a/arch/riscv/include/asm/alternative-macros.h
+++ b/arch/riscv/include/asm/alternative-macros.h
@@ -46,7 +46,7 @@
.macro ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_id_1, errata_id_1, enable_1, \
new_c_2, vendor_id_2, errata_id_2, enable_2
- ALTERNATIVE_CFG \old_c, \new_c_1, \vendor_id_1, \errata_id_1, \enable_1
+ ALTERNATIVE_CFG "\old_c", "\new_c_1", \vendor_id_1, \errata_id_1, \enable_1
ALT_NEW_CONTENT \vendor_id_2, \errata_id_2, \enable_2, \new_c_2
.endm
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 86328e3acb02..64ad1937e714 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -70,7 +70,6 @@ static_assert(RISCV_ISA_EXT_ID_MAX <= RISCV_ISA_EXT_MAX);
*/
enum riscv_isa_ext_key {
RISCV_ISA_EXT_KEY_FPU, /* For 'F' and 'D' */
- RISCV_ISA_EXT_KEY_ZIHINTPAUSE,
RISCV_ISA_EXT_KEY_SVINVAL,
RISCV_ISA_EXT_KEY_MAX,
};
@@ -91,8 +90,6 @@ static __always_inline int riscv_isa_ext2key(int num)
return RISCV_ISA_EXT_KEY_FPU;
case RISCV_ISA_EXT_d:
return RISCV_ISA_EXT_KEY_FPU;
- case RISCV_ISA_EXT_ZIHINTPAUSE:
- return RISCV_ISA_EXT_KEY_ZIHINTPAUSE;
case RISCV_ISA_EXT_SVINVAL:
return RISCV_ISA_EXT_KEY_SVINVAL;
default:
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 4eba9a98d0e3..3e01f4f3ab08 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -721,6 +721,10 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
page_table_check_pmd_set(vma->vm_mm, address, pmdp, pmd);
return __pmd(atomic_long_xchg((atomic_long_t *)pmdp, pmd_val(pmd)));
}
+
+#define pmdp_collapse_flush pmdp_collapse_flush
+extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
/*
diff --git a/arch/riscv/include/asm/vdso/processor.h b/arch/riscv/include/asm/vdso/processor.h
index fa70cfe507aa..14f5d27783b8 100644
--- a/arch/riscv/include/asm/vdso/processor.h
+++ b/arch/riscv/include/asm/vdso/processor.h
@@ -4,30 +4,26 @@
#ifndef __ASSEMBLY__
-#include <linux/jump_label.h>
#include <asm/barrier.h>
-#include <asm/hwcap.h>
static inline void cpu_relax(void)
{
- if (!static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_ZIHINTPAUSE])) {
#ifdef __riscv_muldiv
- int dummy;
- /* In lieu of a halt instruction, induce a long-latency stall. */
- __asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy));
+ int dummy;
+ /* In lieu of a halt instruction, induce a long-latency stall. */
+ __asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy));
#endif
- } else {
- /*
- * Reduce instruction retirement.
- * This assumes the PC changes.
- */
-#ifdef CONFIG_TOOLCHAIN_HAS_ZIHINTPAUSE
- __asm__ __volatile__ ("pause");
+
+#ifdef __riscv_zihintpause
+ /*
+ * Reduce instruction retirement.
+ * This assumes the PC changes.
+ */
+ __asm__ __volatile__ ("pause");
#else
- /* Encoding of the pause instruction */
- __asm__ __volatile__ (".4byte 0x100000F");
+ /* Encoding of the pause instruction */
+ __asm__ __volatile__ (".4byte 0x100000F");
#endif
- }
barrier();
}