add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/mips/kernel/ftrace.c
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@@ -37,10 +37,6 @@
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 	ftrace_modify_all_code(command);
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 }
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-#endif
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-
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-#ifdef CONFIG_DYNAMIC_FTRACE
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-
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 #define JAL 0x0c000000		/* jump & link: ip --> ra, jump to target */
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 #define ADDR_MASK 0x03ffffff	/*  op_code|addr : 31...26|25 ....0 */
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 #define JUMP_RANGE_MASK ((1UL << 28) - 1)
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@@ -86,7 +82,7 @@
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 		return -EFAULT;
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 	old_fs = get_fs();
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-	set_fs(get_ds());
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+	set_fs(KERNEL_DS);
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 	flush_icache_range(ip, ip + 8);
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 	set_fs(old_fs);
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@@ -111,7 +107,7 @@
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 	ip -= 4;
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 	old_fs = get_fs();
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-	set_fs(get_ds());
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+	set_fs(KERNEL_DS);
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 	flush_icache_range(ip, ip + 8);
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 	set_fs(old_fs);
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@@ -135,7 +131,7 @@
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 		return -EFAULT;
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 	old_fs = get_fs();
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-	set_fs(get_ds());
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+	set_fs(KERNEL_DS);
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 	flush_icache_range(ip, ip + 8);
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 	set_fs(old_fs);
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@@ -333,20 +329,21 @@
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 		return;
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 	/*
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-	 * "parent_ra_addr" is the stack address saved the return address of
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-	 * the caller of _mcount.
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+	 * "parent_ra_addr" is the stack address where the return address of
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+	 * the caller of _mcount is saved.
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 	 *
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-	 * if the gcc < 4.5, a leaf function does not save the return address
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-	 * in the stack address, so, we "emulate" one in _mcount's stack space,
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-	 * and hijack it directly, but for a non-leaf function, it save the
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-	 * return address to the its own stack space, we can not hijack it
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-	 * directly, but need to find the real stack address,
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-	 * ftrace_get_parent_addr() does it!
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+	 * If gcc < 4.5, a leaf function does not save the return address
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+	 * in the stack address, so we "emulate" one in _mcount's stack space,
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+	 * and hijack it directly.
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+	 * For a non-leaf function, it does save the return address to its own
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+	 * stack space, so we can not hijack it directly, but need to find the
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+	 * real stack address, which is done by ftrace_get_parent_addr().
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 	 *
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-	 * if gcc>= 4.5, with the new -mmcount-ra-address option, for a
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+	 * If gcc >= 4.5, with the new -mmcount-ra-address option, for a
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 	 * non-leaf function, the location of the return address will be saved
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-	 * to $12 for us, and for a leaf function, only put a zero into $12. we
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-	 * do it in ftrace_graph_caller of mcount.S.
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+	 * to $12 for us.
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+	 * For a leaf function, it just puts a zero into $12, so we handle
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+	 * it in ftrace_graph_caller() of mcount.S.
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 	 */
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 	/* old_parent_ra = *parent_ra_addr; */
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@@ -400,13 +397,13 @@
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 unsigned long __init arch_syscall_addr(int nr)
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 {
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 #ifdef CONFIG_MIPS32_N32
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-	if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls)
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+	if (nr >= __NR_N32_Linux && nr < __NR_N32_Linux + __NR_N32_Linux_syscalls)
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 		return (unsigned long)sysn32_call_table[nr - __NR_N32_Linux];
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 #endif
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-	if (nr >= __NR_64_Linux  && nr <= __NR_64_Linux + __NR_64_Linux_syscalls)
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+	if (nr >= __NR_64_Linux  && nr < __NR_64_Linux + __NR_64_Linux_syscalls)
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 		return (unsigned long)sys_call_table[nr - __NR_64_Linux];
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 #ifdef CONFIG_MIPS32_O32
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-	if (nr >= __NR_O32_Linux && nr <= __NR_O32_Linux + __NR_O32_Linux_syscalls)
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+	if (nr >= __NR_O32_Linux && nr < __NR_O32_Linux + __NR_O32_Linux_syscalls)
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 		return (unsigned long)sys32_call_table[nr - __NR_O32_Linux];
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 #endif
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