From patchwork series 426813

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=426813
linuxppc · Oct 7, 2024 · 6379a0c · 6379a0c
1 parent f85c105
commit 6379a0c
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Showing 118 changed files with 831 additions and 235 deletions.
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
@@ -5,3 +5,4 @@ generic-y += agp.h
 generic-y += asm-offsets.h
 generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
+generic-y += text-patching.h
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
@@ -6,3 +6,4 @@ generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/arm/include/asm/patch.h → arch/arm/include/asm/text-patching.h b/arch/arm/include/asm/patch.h → arch/arm/include/asm/text-patching.h
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
@@ -23,7 +23,7 @@
 #include <asm/insn.h>
 #include <asm/set_memory.h>
 #include <asm/stacktrace.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 /*
  * The compiler emitted profiling hook consists of

diff --git a/arch/arm/kernel/jump_label.c b/arch/arm/kernel/jump_label.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/jump_label.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 #include <asm/insn.h>
 
 static void __arch_jump_label_transform(struct jump_entry *entry,

diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
@@ -15,7 +15,7 @@
 #include <linux/kgdb.h>
 #include <linux/uaccess.h>
 
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 #include <asm/traps.h>
 
 struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] =

diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c
@@ -9,7 +9,7 @@
 #include <asm/fixmap.h>
 #include <asm/smp_plat.h>
 #include <asm/opcodes.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 struct patch {
 	void *addr;

diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c
@@ -25,7 +25,7 @@
 #include <asm/cacheflush.h>
 #include <linux/percpu.h>
 #include <linux/bug.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 #include <asm/sections.h>
 
 #include "../decode-arm.h"

diff --git a/arch/arm/probes/kprobes/opt-arm.c b/arch/arm/probes/kprobes/opt-arm.c
@@ -14,7 +14,7 @@
 /* for arm_gen_branch */
 #include <asm/insn.h>
 /* for patch_text */
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 #include "core.h"
 

diff --git a/arch/arm64/include/asm/set_memory.h b/arch/arm64/include/asm/set_memory.h
@@ -13,6 +13,7 @@ int set_memory_valid(unsigned long addr, int numpages, int enable);
 
 int set_direct_map_invalid_noflush(struct page *page);
 int set_direct_map_default_noflush(struct page *page);
+int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);
 bool kernel_page_present(struct page *page);
 
 #endif /* _ASM_ARM64_SET_MEMORY_H */
diff --git a/arch/arm64/include/asm/patching.h → arch/arm64/include/asm/text-patching.h b/arch/arm64/include/asm/patching.h → arch/arm64/include/asm/text-patching.h
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
@@ -15,7 +15,7 @@
 #include <asm/debug-monitors.h>
 #include <asm/ftrace.h>
 #include <asm/insn.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 
 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
 struct fregs_offset {

diff --git a/arch/arm64/kernel/jump_label.c b/arch/arm64/kernel/jump_label.c
@@ -9,7 +9,7 @@
 #include <linux/jump_label.h>
 #include <linux/smp.h>
 #include <asm/insn.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 
 bool arch_jump_label_transform_queue(struct jump_entry *entry,
 				     enum jump_label_type type)

diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
@@ -17,7 +17,7 @@
 
 #include <asm/debug-monitors.h>
 #include <asm/insn.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 #include <asm/traps.h>
 
 struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = {

diff --git a/arch/arm64/kernel/patching.c b/arch/arm64/kernel/patching.c
@@ -10,7 +10,7 @@
 #include <asm/fixmap.h>
 #include <asm/insn.h>
 #include <asm/kprobes.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 #include <asm/sections.h>
 
 static DEFINE_RAW_SPINLOCK(patch_lock);

diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
@@ -27,7 +27,7 @@
 #include <asm/debug-monitors.h>
 #include <asm/insn.h>
 #include <asm/irq.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 #include <asm/ptrace.h>
 #include <asm/sections.h>
 #include <asm/system_misc.h>

diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
@@ -41,7 +41,7 @@
 #include <asm/extable.h>
 #include <asm/insn.h>
 #include <asm/kprobes.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 #include <asm/traps.h>
 #include <asm/smp.h>
 #include <asm/stack_pointer.h>

diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c
@@ -192,6 +192,16 @@ int set_direct_map_default_noflush(struct page *page)
 				   PAGE_SIZE, change_page_range, &data);
 }
 
+int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid)
+{
+	unsigned long addr = (unsigned long)page_address(page);
+
+	if (!can_set_direct_map())
+		return 0;
+
+	return set_memory_valid(addr, nr, valid);
+}
+
 #ifdef CONFIG_DEBUG_PAGEALLOC
 void __kernel_map_pages(struct page *page, int numpages, int enable)
 {

diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
@@ -19,7 +19,7 @@
 #include <asm/cacheflush.h>
 #include <asm/debug-monitors.h>
 #include <asm/insn.h>
-#include <asm/patching.h>
+#include <asm/text-patching.h>
 #include <asm/set_memory.h>
 
 #include "bpf_jit.h"

diff --git a/arch/csky/include/asm/Kbuild b/arch/csky/include/asm/Kbuild
@@ -11,3 +11,4 @@ generic-y += qspinlock.h
 generic-y += parport.h
 generic-y += user.h
 generic-y += vmlinux.lds.h
+generic-y += text-patching.h
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
@@ -5,3 +5,4 @@ generic-y += extable.h
 generic-y += iomap.h
 generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
+generic-y += text-patching.h
diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild
@@ -11,3 +11,4 @@ generic-y += ioctl.h
 generic-y += mmzone.h
 generic-y += statfs.h
 generic-y += param.h
+generic-y += text-patching.h
diff --git a/arch/loongarch/include/asm/set_memory.h b/arch/loongarch/include/asm/set_memory.h
@@ -17,5 +17,6 @@ int set_memory_rw(unsigned long addr, int numpages);
 bool kernel_page_present(struct page *page);
 int set_direct_map_default_noflush(struct page *page);
 int set_direct_map_invalid_noflush(struct page *page);
+int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);
 
 #endif /* _ASM_LOONGARCH_SET_MEMORY_H */
diff --git a/arch/loongarch/mm/pageattr.c b/arch/loongarch/mm/pageattr.c
@@ -216,3 +216,24 @@ int set_direct_map_invalid_noflush(struct page *page)
 
 	return __set_memory(addr, 1, __pgprot(0), __pgprot(_PAGE_PRESENT | _PAGE_VALID));
 }
+
+int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid)
+{
+	unsigned long addr = (unsigned long)page_address(page);
+	pgprot_t set, clear;
+
+	return __set_memory((unsigned long)page_address(page), nr, set, clear);
+
+	if (addr < vm_map_base)
+		return 0;
+
+	if (valid) {
+		set = PAGE_KERNEL;
+		clear = __pgprot(0);
+	} else {
+		set = __pgprot(0);
+		clear = __pgprot(_PAGE_PRESENT | _PAGE_VALID);
+	}
+
+	return __set_memory(addr, 1, set, clear);
+}
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
@@ -4,3 +4,4 @@ generic-y += extable.h
 generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
 generic-y += spinlock.h
+generic-y += text-patching.h
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
@@ -8,3 +8,4 @@ generic-y += parport.h
 generic-y += syscalls.h
 generic-y += tlb.h
 generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
@@ -13,3 +13,4 @@ generic-y += parport.h
 generic-y += qrwlock.h
 generic-y += qspinlock.h
 generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild
@@ -7,3 +7,4 @@ generic-y += kvm_para.h
 generic-y += mcs_spinlock.h
 generic-y += spinlock.h
 generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
@@ -9,3 +9,4 @@ generic-y += spinlock.h
 generic-y += qrwlock_types.h
 generic-y += qrwlock.h
 generic-y += user.h
+generic-y += text-patching.h
diff --git a/arch/parisc/include/asm/patch.h → arch/parisc/include/asm/text-patching.h b/arch/parisc/include/asm/patch.h → arch/parisc/include/asm/text-patching.h
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
@@ -20,7 +20,7 @@
 #include <asm/assembly.h>
 #include <asm/sections.h>
 #include <asm/ftrace.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 #define __hot __section(".text.hot")
 

diff --git a/arch/parisc/kernel/jump_label.c b/arch/parisc/kernel/jump_label.c
@@ -8,7 +8,7 @@
 #include <linux/jump_label.h>
 #include <linux/bug.h>
 #include <asm/alternative.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 static inline int reassemble_17(int as17)
 {

diff --git a/arch/parisc/kernel/kgdb.c b/arch/parisc/kernel/kgdb.c
@@ -16,7 +16,7 @@
 #include <asm/ptrace.h>
 #include <asm/traps.h>
 #include <asm/processor.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 #include <asm/cacheflush.h>
 
 const struct kgdb_arch arch_kgdb_ops = {

diff --git a/arch/parisc/kernel/kprobes.c b/arch/parisc/kernel/kprobes.c
@@ -12,7 +12,7 @@
 #include <linux/kprobes.h>
 #include <linux/slab.h>
 #include <asm/cacheflush.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
 DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);

diff --git a/arch/parisc/kernel/patch.c b/arch/parisc/kernel/patch.c
@@ -13,7 +13,7 @@
 
 #include <asm/cacheflush.h>
 #include <asm/fixmap.h>
-#include <asm/patch.h>
+#include <asm/text-patching.h>
 
 struct patch {
 	void *addr;

diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
@@ -21,7 +21,7 @@
 #include <linux/percpu.h>
 #include <linux/module.h>
 #include <asm/probes.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 
 #ifdef CONFIG_KPROBES
 #define  __ARCH_WANT_KPROBES_INSN_SLOT

diff --git a/arch/powerpc/include/asm/code-patching.h → arch/powerpc/include/asm/text-patching.h b/arch/powerpc/include/asm/code-patching.h → arch/powerpc/include/asm/text-patching.h
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
@@ -13,7 +13,7 @@
 #include <linux/io.h>
 #include <linux/memblock.h>
 #include <linux/of.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/kdump.h>
 #include <asm/firmware.h>
 #include <linux/uio.h>

diff --git a/arch/powerpc/kernel/epapr_paravirt.c b/arch/powerpc/kernel/epapr_paravirt.c
@@ -9,7 +9,7 @@
 #include <linux/of_fdt.h>
 #include <asm/epapr_hcalls.h>
 #include <asm/cacheflush.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/machdep.h>
 #include <asm/inst.h>
 

diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c
@@ -5,7 +5,7 @@
 
 #include <linux/kernel.h>
 #include <linux/jump_label.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/inst.h>
 
 void arch_jump_label_transform(struct jump_entry *entry,

diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
@@ -21,7 +21,7 @@
 #include <asm/processor.h>
 #include <asm/machdep.h>
 #include <asm/debug.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <linux/slab.h>
 #include <asm/inst.h>
 

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
@@ -21,7 +21,7 @@
 #include <linux/slab.h>
 #include <linux/set_memory.h>
 #include <linux/execmem.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/cacheflush.h>
 #include <asm/sstep.h>
 #include <asm/sections.h>

diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
@@ -18,7 +18,7 @@
 #include <linux/bug.h>
 #include <linux/sort.h>
 #include <asm/setup.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 
 /* Count how many different relocations (different symbol, different
    addend) */

diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
@@ -17,7 +17,7 @@
 #include <linux/kernel.h>
 #include <asm/module.h>
 #include <asm/firmware.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <linux/sort.h>
 #include <asm/setup.h>
 #include <asm/sections.h>

diff --git a/arch/powerpc/kernel/optprobes.c b/arch/powerpc/kernel/optprobes.c
@@ -13,7 +13,7 @@
 #include <asm/kprobes.h>
 #include <asm/ptrace.h>
 #include <asm/cacheflush.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/sstep.h>
 #include <asm/ppc-opcode.h>
 #include <asm/inst.h>

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
@@ -54,7 +54,7 @@
 #include <asm/firmware.h>
 #include <asm/hw_irq.h>
 #endif
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/exec.h>
 #include <asm/livepatch.h>
 #include <asm/cpu_has_feature.h>

diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
@@ -14,7 +14,7 @@
 #include <linux/debugfs.h>
 
 #include <asm/asm-prototypes.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/security_features.h>
 #include <asm/sections.h>
 #include <asm/setup.h>

diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
@@ -40,7 +40,7 @@
 #include <asm/time.h>
 #include <asm/serial.h>
 #include <asm/udbg.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/cpu_has_feature.h>
 #include <asm/asm-prototypes.h>
 #include <asm/kdump.h>

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
@@ -60,7 +60,7 @@
 #include <asm/xmon.h>
 #include <asm/udbg.h>
 #include <asm/kexec.h>
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 #include <asm/ftrace.h>
 #include <asm/opal.h>
 #include <asm/cputhreads.h>

diff --git a/arch/powerpc/kernel/static_call.c b/arch/powerpc/kernel/static_call.c
@@ -2,7 +2,7 @@
 #include <linux/memory.h>
 #include <linux/static_call.h>
 
-#include <asm/code-patching.h>
+#include <asm/text-patching.h>
 
 void arch_static_call_transform(void *site, void *tramp, void *func, bool tail)
 {