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-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/kernel/bios32.c5
-rw-r--r--arch/arm/kernel/entry-ftrace.S18
-rw-r--r--arch/arm/mm/cache-l2x0.c7
-rw-r--r--arch/arm/mm/fault.c3
-rw-r--r--scripts/kconfig/symbol.c15
-rw-r--r--scripts/kconfig/tests/transitional/Kconfig32
-rw-r--r--scripts/kconfig/tests/transitional/__init__.py7
-rw-r--r--scripts/kconfig/tests/transitional/expected_config3
-rw-r--r--scripts/kconfig/tests/transitional/expected_stdout1
-rw-r--r--scripts/kconfig/tests/transitional/initial_config4
-rw-r--r--tools/include/linux/cfi_types.h2
12 files changed, 85 insertions, 13 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2a124c92e4f6..2e3f93b690f4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -108,6 +108,7 @@ config ARM
select HAVE_GUP_FAST if ARM_LPAE
select HAVE_FUNCTION_ERROR_INJECTION
select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_GRAPH_FREGS
select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select HAVE_GCC_PLUGINS
select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index d334c7fb672b..b5793e8fbdc1 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/init.h>
#include <linux/io.h>
@@ -337,8 +338,8 @@ void pcibios_fixup_bus(struct pci_bus *bus)
/*
* Report what we did for this bus
*/
- pr_info("PCI: bus%d: Fast back to back transfers %sabled\n",
- bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis");
+ pr_info("PCI: bus%d: Fast back to back transfers %s\n",
+ bus->number, str_enabled_disabled(features & PCI_COMMAND_FAST_BACK));
}
EXPORT_SYMBOL(pcibios_fixup_bus);
diff --git a/arch/arm/kernel/entry-ftrace.S b/arch/arm/kernel/entry-ftrace.S
index bc598e3d8dd2..e24ee559af81 100644
--- a/arch/arm/kernel/entry-ftrace.S
+++ b/arch/arm/kernel/entry-ftrace.S
@@ -257,11 +257,21 @@ ENDPROC(ftrace_graph_regs_caller)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
ENTRY(return_to_handler)
- stmdb sp!, {r0-r3}
- add r0, sp, #16 @ sp at exit of instrumented routine
+ mov ip, sp @ sp at exit of instrumented routine
+ sub sp, #PT_REGS_SIZE
+ str r0, [sp, #S_R0]
+ str r1, [sp, #S_R1]
+ str r2, [sp, #S_R2]
+ str r3, [sp, #S_R3]
+ str ip, [sp, #S_FP]
+ mov r0, sp
bl ftrace_return_to_handler
- mov lr, r0 @ r0 has real ret addr
- ldmia sp!, {r0-r3}
+ mov lr, r0 @ r0 has real ret addr
+ ldr r3, [sp, #S_R3]
+ ldr r2, [sp, #S_R2]
+ ldr r1, [sp, #S_R1]
+ ldr r0, [sp, #S_R0]
+ add sp, sp, #PT_REGS_SIZE @ restore stack pointer
ret lr
ENDPROC(return_to_handler)
#endif
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 43d91bfd2360..470867160076 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -13,6 +13,7 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/string_choices.h>
#include <asm/cacheflush.h>
#include <asm/cp15.h>
@@ -667,9 +668,9 @@ static void __init l2c310_enable(void __iomem *base, unsigned num_lock)
u32 power_ctrl;
power_ctrl = readl_relaxed(base + L310_POWER_CTRL);
- pr_info("L2C-310 dynamic clock gating %sabled, standby mode %sabled\n",
- power_ctrl & L310_DYNAMIC_CLK_GATING_EN ? "en" : "dis",
- power_ctrl & L310_STNDBY_MODE_EN ? "en" : "dis");
+ pr_info("L2C-310 dynamic clock gating %s, standby mode %s\n",
+ str_enabled_disabled(power_ctrl & L310_DYNAMIC_CLK_GATING_EN),
+ str_enabled_disabled(power_ctrl & L310_STNDBY_MODE_EN));
}
if (aux & L310_AUX_CTRL_FULL_LINE_ZERO)
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 46169fe42c61..2bc828a1940c 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -135,8 +135,7 @@ static void die_kernel_fault(const char *msg, struct mm_struct *mm,
bust_spinlocks(1);
pr_alert("8<--- cut here ---\n");
pr_alert("Unable to handle kernel %s at virtual address %08lx when %s\n",
- msg, addr, fsr & FSR_LNX_PF ? "execute" :
- fsr & FSR_WRITE ? "write" : "read");
+ msg, addr, fsr & FSR_LNX_PF ? "execute" : str_write_read(fsr & FSR_WRITE));
show_pte(KERN_ALERT, mm, addr);
die("Oops", regs, fsr);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 760cac998381..7e81b3676ee9 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -411,7 +411,7 @@ bool sym_dep_errors(void)
void sym_calc_value(struct symbol *sym)
{
struct symbol_value newval, oldval;
- struct property *prop;
+ struct property *prop = NULL;
struct menu *choice_menu;
if (!sym)
@@ -520,6 +520,19 @@ void sym_calc_value(struct symbol *sym)
;
}
+ /*
+ * If the symbol lacks a user value but its value comes from a
+ * single transitional symbol with an existing user value, mark
+ * this symbol as having a user value to avoid prompting.
+ */
+ if (prop && !sym_has_value(sym)) {
+ struct symbol *ds = prop_get_symbol(prop);
+ if (ds && (ds->flags & SYMBOL_TRANS) && sym_has_value(ds)) {
+ sym->def[S_DEF_USER] = newval;
+ sym->flags |= SYMBOL_DEF_USER;
+ }
+ }
+
sym->curr = newval;
sym_validate_range(sym);
diff --git a/scripts/kconfig/tests/transitional/Kconfig b/scripts/kconfig/tests/transitional/Kconfig
index 62c3b24665b9..faa4d396f828 100644
--- a/scripts/kconfig/tests/transitional/Kconfig
+++ b/scripts/kconfig/tests/transitional/Kconfig
@@ -96,5 +96,37 @@ config OLD_WITH_HELP
help
This transitional symbol has a help section to validate that help is allowed.
+# Test that we can set something to =n via transitional symbol
+config NEW_DISABLED
+ tristate "Check for setting to disabled"
+ default OLD_DISABLED
+
+config OLD_DISABLED
+ tristate
+ transitional
+
+# Test that a potential new value disappears if it lacks a prompt
+config NEW_DISABLED_UNSAVED
+ tristate
+ default OLD_DISABLED
+
+config OLD_DISABLED_UNSAVED
+ tristate
+ transitional
+
+# Test conditional default: transitional value should not prevent prompting
+# when default visibility makes the expression evaluate to 'no'
+config DEPENDENCY_TEST
+ bool "Dependency for testing"
+ default n
+
+config NEW_CONDITIONAL_DEFAULT
+ bool "New option with conditional default"
+ default OLD_CONDITIONAL_DEFAULT if DEPENDENCY_TEST
+
+config OLD_CONDITIONAL_DEFAULT
+ bool
+ transitional
+
config REGULAR_OPTION
bool "Regular option"
diff --git a/scripts/kconfig/tests/transitional/__init__.py b/scripts/kconfig/tests/transitional/__init__.py
index 61937d10edf1..b50ba2397548 100644
--- a/scripts/kconfig/tests/transitional/__init__.py
+++ b/scripts/kconfig/tests/transitional/__init__.py
@@ -6,6 +6,7 @@ This tests that:
- OLD_* options in existing .config cause NEW_* options to be set
- OLD_* options are not written to the new .config file
- NEW_* options appear in the new .config file with correct values
+- NEW_* options with defaults from transitional symbols are not prompted
- All Kconfig types work correctly: bool, tristate, string, hex, int
- User-set NEW values take precedence over conflicting OLD transitional values
"""
@@ -16,3 +17,9 @@ def test(conf):
# Check that the configuration matches expected output
assert conf.config_contains('expected_config')
+
+ # Test oldconfig to ensure symbols with transitional defaults are not prompted
+ assert conf.oldconfig(dot_config='initial_config', in_keys='n\n') == 0
+
+ # Except for when conditional default evaluates to 'no'
+ assert conf.stdout_contains('expected_stdout')
diff --git a/scripts/kconfig/tests/transitional/expected_config b/scripts/kconfig/tests/transitional/expected_config
index 846e9ddcab91..e01f5f070a26 100644
--- a/scripts/kconfig/tests/transitional/expected_config
+++ b/scripts/kconfig/tests/transitional/expected_config
@@ -9,4 +9,7 @@ CONFIG_NEW_STRING_PRECEDENCE="user value"
CONFIG_NEW_TRISTATE_PRECEDENCE=y
CONFIG_NEW_HEX_PRECEDENCE=0xABCD
CONFIG_NEW_INT_PRECEDENCE=100
+# CONFIG_NEW_DISABLED is not set
+# CONFIG_DEPENDENCY_TEST is not set
+# CONFIG_NEW_CONDITIONAL_DEFAULT is not set
# CONFIG_REGULAR_OPTION is not set
diff --git a/scripts/kconfig/tests/transitional/expected_stdout b/scripts/kconfig/tests/transitional/expected_stdout
new file mode 100644
index 000000000000..6f0b285d6469
--- /dev/null
+++ b/scripts/kconfig/tests/transitional/expected_stdout
@@ -0,0 +1 @@
+New option with conditional default (NEW_CONDITIONAL_DEFAULT) [N/y/?] (NEW) n
diff --git a/scripts/kconfig/tests/transitional/initial_config b/scripts/kconfig/tests/transitional/initial_config
index e648a65e504c..68b7da672426 100644
--- a/scripts/kconfig/tests/transitional/initial_config
+++ b/scripts/kconfig/tests/transitional/initial_config
@@ -14,3 +14,7 @@ CONFIG_NEW_HEX_PRECEDENCE=0xABCD
CONFIG_OLD_HEX_PRECEDENCE=0x5678
CONFIG_NEW_INT_PRECEDENCE=100
CONFIG_OLD_INT_PRECEDENCE=200
+# CONFIG_OLD_DISABLED is not set
+# CONFIG_OLD_DISABLED_UNSAVED is not set
+# CONFIG_DEPENDENCY_TEST is not set
+CONFIG_OLD_CONDITIONAL_DEFAULT=y
diff --git a/tools/include/linux/cfi_types.h b/tools/include/linux/cfi_types.h
index fb8d90bff92e..a86af9bc8bdc 100644
--- a/tools/include/linux/cfi_types.h
+++ b/tools/include/linux/cfi_types.h
@@ -43,7 +43,7 @@
#else /* __ASSEMBLY__ */
-#ifdef CONFIG_CFI_CLANG
+#ifdef CONFIG_CFI
#define DEFINE_CFI_TYPE(name, func) \
/* \
* Force a reference to the function so the compiler generates \
generated by cgit (git 2.34.1) at 2025-10-08 15:05:58 +0000