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x86/mtrr: Avoid repeated save of MTRRs on boot-time CPU bringup
authorDavid Woodhouse <dwmw@amazon.co.uk>
Tue, 14 Dec 2021 14:49:11 +0000 (14:49 +0000)
committerDavid Woodhouse <dwmw@amazon.co.uk>
Wed, 15 Dec 2021 14:45:27 +0000 (14:45 +0000)
commitfcc13a6e09858af8c2247a102bc8d5f7a26069d2
tree4758e12d9b7829255523bf02e47404968658f95ftree
parentbdf8a3b6067aeadb7486964e4460af9f7e66f767commit | diff
x86/mtrr: Avoid repeated save of MTRRs on boot-time CPU bringup

There's no need to repeatedly save the BSP's MTRRs for each AP we bring
up at boot time. And there's no need to use smp_call_function_single()
even for the one time we *do* want to do it.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
arch/x86/kernel/cpu/mtrr/mtrr.c diff | blob | history
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