Search notes:

arch/x86/boot/pm.c

Prepare the machine for transition to protected mode.

go_to_protected_mode

go_to_protected_mode is the last function being called from main().
The last statement in go_to_protected_mode() is: 
protected_mode_jump(boot_params.hdr.code32_start, (u32)&boot_params + (ds() << 4));
For code32_start, see arch/x86/boot/header.S.

See also

arch/x86/boot/pmjump.S

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Linux/ke...', 1759415441, '216.73.216.42', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Linux/kernel/source/arch/x86/boot/pm_c(48): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78