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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>
Wed, 12 Mar 2025 13:58:39 +0000 (13:58 +0000)
commitd06df8671875384784c4dcb881dea831b3520f08
tree7ab629775363441d32d4c7b02f965ac430c92a39tree
parent7459511dc6838d8e1a8d1948937ab8d8ad2eb23bcommit | 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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