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25 lines
835 B
25 lines
835 B
--- a/lib/Kconfig.debug
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+++ b/lib/Kconfig.debug
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@@ -382,6 +382,11 @@ config MAGIC_SYSRQ_DEFAULT_ENABLE
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This may be set to 1 or 0 to enable or disable them all, or
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to a bitmask as described in Documentation/sysrq.txt.
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+config MAGIC_SYSRQ_SERIAL
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+ bool "Enable magic SysRq key over serial"
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+ depends on MAGIC_SYSRQ
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+ default y
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+
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config DEBUG_KERNEL
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bool "Kernel debugging"
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help
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--- a/include/linux/serial_core.h
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+++ b/include/linux/serial_core.h
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@@ -426,7 +426,7 @@ extern void uart_handle_cts_change(struc
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extern void uart_insert_char(struct uart_port *port, unsigned int status,
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unsigned int overrun, unsigned int ch, unsigned int flag);
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-#ifdef SUPPORT_SYSRQ
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+#if defined(SUPPORT_SYSRQ) && defined(CONFIG_MAGIC_SYSRQ_SERIAL)
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static inline int
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uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
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{
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