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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, 15 Jan 2025 12:36:08 +0000 (12:36 +0000)
commit3d8ea5d45b0a2079e58cd0c72e0a1ac28fd431ca
tree47b1dc20af0e1746ac6b830e3558249726b77833tree
parent459094eedb579e41fe095b09485abacbbbd37273commit | 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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