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x86/kexec: Add 8250 serial port output
authorDavid Woodhouse <dwmw@amazon.co.uk>
Sat, 23 Nov 2024 09:23:24 +0000 (09:23 +0000)
committerDavid Woodhouse <dwmw@amazon.co.uk>
Thu, 5 Dec 2024 15:05:08 +0000 (15:05 +0000)
commit48ff729646f48eaa6242043a3b8fdd171c3bef44
tree6672611e12733d4dace903a7d80003fc1309068etree
parent311bfaa0106b8a46fbeeb10bd04fc6aa3f339a45commit | diff
x86/kexec: Add 8250 serial port output

If a serial port was configured for early_printk, use it for debug output
from the relocate_kernel exception handler too.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
arch/x86/include/asm/kexec.h diff | blob | history
arch/x86/kernel/early_printk.c diff | blob | history
arch/x86/kernel/relocate_kernel_64.S diff | blob | history
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