From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/acpi/acpica/dsdebug.c | 205 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 drivers/acpi/acpica/dsdebug.c (limited to 'drivers/acpi/acpica/dsdebug.c') diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c new file mode 100644 index 000000000..691c00159 --- /dev/null +++ b/drivers/acpi/acpica/dsdebug.c @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 +/****************************************************************************** + * + * Module Name: dsdebug - Parser/Interpreter interface - debugging + * + * Copyright (C) 2000 - 2026, Intel Corp. + * + *****************************************************************************/ + +#include +#include "accommon.h" +#include "acdispat.h" +#include "acnamesp.h" +#ifdef ACPI_DISASSEMBLER +#include "acdisasm.h" +#endif +#include "acinterp.h" + +#define _COMPONENT ACPI_DISPATCHER +ACPI_MODULE_NAME("dsdebug") + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +/* Local prototypes */ +static void +acpi_ds_print_node_pathname(struct acpi_namespace_node *node, + const char *message); + +/******************************************************************************* + * + * FUNCTION: acpi_ds_print_node_pathname + * + * PARAMETERS: node - Object + * message - Prefix message + * + * DESCRIPTION: Print an object's full namespace pathname + * Manages allocation/freeing of a pathname buffer + * + ******************************************************************************/ + +static void +acpi_ds_print_node_pathname(struct acpi_namespace_node *node, + const char *message) +{ + struct acpi_buffer buffer; + acpi_status status; + + ACPI_FUNCTION_TRACE(ds_print_node_pathname); + + if (!node) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[NULL NAME]")); + return_VOID; + } + + /* Convert handle to full pathname and print it (with supplied message) */ + + buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; + + status = acpi_ns_handle_to_pathname(node, &buffer, TRUE); + if (ACPI_SUCCESS(status)) { + if (message) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "%s ", + message)); + } + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[%s] (Node %p)", + (char *)buffer.pointer, node)); + ACPI_FREE(buffer.pointer); + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ds_dump_method_stack + * + * PARAMETERS: status - Method execution status + * walk_state - Current state of the parse tree walk + * op - Executing parse op + * + * RETURN: None + * + * DESCRIPTION: Called when a method has been aborted because of an error. + * Dumps the method execution stack. + * + ******************************************************************************/ + +void +acpi_ds_dump_method_stack(acpi_status status, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) +{ + union acpi_parse_object *next; + struct acpi_thread_state *thread; + struct acpi_walk_state *next_walk_state; + struct acpi_namespace_node *previous_method = NULL; + union acpi_operand_object *method_desc; + + ACPI_FUNCTION_TRACE(ds_dump_method_stack); + + /* Ignore control codes, they are not errors */ + + if (ACPI_CNTL_EXCEPTION(status)) { + return_VOID; + } + + /* We may be executing a deferred opcode */ + + if (walk_state->deferred_node) { + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "Executing subtree for Buffer/Package/Region\n")); + return_VOID; + } + + /* + * If there is no Thread, we are not actually executing a method. + * This can happen when the iASL compiler calls the interpreter + * to perform constant folding. + */ + thread = walk_state->thread; + if (!thread) { + return_VOID; + } + + /* Display exception and method name */ + + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "\n**** Exception %s during execution of method ", + acpi_format_exception(status))); + + acpi_ds_print_node_pathname(walk_state->method_node, NULL); + + /* Display stack of executing methods */ + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, + "\n\nMethod Execution Stack:\n")); + next_walk_state = thread->walk_state_list; + + /* Walk list of linked walk states */ + + while (next_walk_state) { + method_desc = next_walk_state->method_desc; + if (method_desc) { + acpi_ex_stop_trace_method((struct acpi_namespace_node *) + method_desc->method.node, + method_desc, walk_state); + } + + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + " Method [%4.4s] executing: ", + acpi_ut_get_node_name(next_walk_state-> + method_node))); + + /* First method is the currently executing method */ + + if (next_walk_state == walk_state) { + if (op) { + + /* Display currently executing ASL statement */ + + next = op->common.next; + op->common.next = NULL; + +#ifdef ACPI_DISASSEMBLER + if (walk_state->method_node != + acpi_gbl_root_node) { + + /* More verbose if not module-level code */ + + acpi_os_printf("Failed at "); + acpi_dm_disassemble(next_walk_state, op, + ACPI_UINT32_MAX); + } +#endif + op->common.next = next; + } + } else { + /* + * This method has called another method + * NOTE: the method call parse subtree is already deleted at + * this point, so we cannot disassemble the method invocation. + */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, + "Call to method ")); + acpi_ds_print_node_pathname(previous_method, NULL); + } + + previous_method = next_walk_state->method_node; + next_walk_state = next_walk_state->next; + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "\n")); + } + + return_VOID; +} + +#else +void +acpi_ds_dump_method_stack(acpi_status status, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) +{ + return; +} + +#endif -- cgit v1.3.1