APPLIED: [SRU][F/kvm, B/kvm][PATCH 0/2] CONFIG_DEBUG_INFO=y

[Kelsey Skunberg]

On 2021-09-20 13:54:21 , Kelsey Skunberg wrote:
> BugLink: https://bugs.launchpad.net/bugs/1935855
> 
> [Impact] 
> 
> linux-image-unsigned-5.4.0-77-generic-dbgsym provides a
> /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm, but it does not contain any debug
> symbols.
> 
> Turn on CONFIG_DEBUG_INFO to include those debug symbols.
> 
> [Test Case]
> Compare:
> 
> $ file /usr/lib/debug/boot/vmlinux-*
> /usr/lib/debug/boot/vmlinux-5.4.0-1040-kvm: ELF 64-bit LSB executable, x86-64,
> version 1 (SYSV), statically linked,
> BuildID[sha1]=514891d64a7d18db4fa58aa5cfea213e0951ca9d, not stripped
> /usr/lib/debug/boot/vmlinux-5.4.0-77-generic: ELF 64-bit LSB executable, x86-64,
> version 1 (SYSV), statically linked,
> BuildID[sha1]=773d8ee85333fe092635f65d2b6850909085c11d, with debug_info, not
> stripped
> 
> [What Could Go Wrong]
> 
> Since linux-kvm is tuned for performance, it's possible there's some
> side-effect of producing debug symbols that negatively impacts this. I've not
> noticed any issues empirically, but I didn't try to measure it.
> 
> This config is already succesfully turned on in Hirsute/kvm.
> 
> Kelsey Skunberg (2):
>   UBUNTU: [config] kvm: CONFIG_DEBUG_INFO=y
>   UBUNTU: [config] kvm: CONFIG_DEBUG_INFO=y
> 
>  debian.kvm/config/config.common.ubuntu | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> -- 
> 2.25.1
>