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SubjectRe: Fix quilt merge error in acpi-cpufreq.c

* Theodore Tso <tytso@mit.edu> wrote:

> On Thu, Apr 16, 2009 at 10:57:05AM +0930, Rusty Russell wrote:
> > Ingo wants them. Example:
> >
> > lguest: don't expect linear addresses in gdt pvops
> >
> > Impact: fix guest crash 'lguest: bad read address 0x4800000 len 256'
> >
> > What's more important in the subject line? That it fixes a crash, or what it
> > does?
>
> Well, consider that 2 or 3 months later, when we're trying to find
> a potential commit (say, because we're trying to find a potential
> fix that needs to be forward ported to a distro kernel, or some
> such), the initial summary line is what is going to be visible in
> gitk or via "git log --oneline" (or "git log --pretty=oneline
> --abbrev-commit" for older git versions).
>
> So when I try to create git log messages, I try to make the first
> line useful for folks who might be sorting through potentially
> thousands of patches via gitk or git log --oneline. So I might do
> something like

Hm, have you seen the very simple git log + grep examples i gave,
about how the impact lines of the APIC code and the scheduler in
this cycle can be used to summarize a stability track record at a
glance, out of a much larger body of commits?

Try:

git log v2.6.29..v2.6.30-rc1 arch/x86/kernel/apic/ | \
grep Impact: | sort | uniq -c | sort -n


and:

git log v2.6.29..v2.6.30-rc1 kernel/sched.c | \
grep Impact: | sort | uniq -c | sort -n

on a recent upstream repo.

Thanks,

Ingo



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