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ACPICA: Debugger: Add interpreter blocking mark for single-step mode

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ACPICA commit 91af5d18cd40b35f9d5568fb95fc403ff12474e5

When the single-step mode is used, evaluation is actually split by the
single-step command prompts, so this patch correctly marks the evaluation
segment with interpreter lock release/acquire.
This in return fixes an issue that in the single-step command prompt,
commands requiring to hold the namespace lock (ex. namespace) cannot be
executed. ACPICA BZ 1362, fixed by Lv Zheng.

Link: 91af5d18
Link: https://bugs.acpica.org/show_bug.cgi?id=1362
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2017-04-26 16:18:33 +08:00 • committed by Rafael J. Wysocki
commit 069f9bf454
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/acpica/dbxface.c
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@ -45,6 +45,7 @@
#include "accommon.h"
#include "amlcode.h"
#include "acdebug.h"
#include "acinterp.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbxface")
@ -368,7 +369,9 @@ acpi_db_single_step(struct acpi_walk_state *walk_state,
walk_state->method_breakpoint = 1; /* Must be non-zero! */
}
acpi_ex_exit_interpreter();
status = acpi_db_start_command(walk_state, op);
acpi_ex_enter_interpreter();
/* User commands complete, continue execution of the interrupted method */