linux/arch
Peter Xu a75b540451 KVM: X86: Optimize zapping rmap
Using rmap_get_first() and rmap_remove() for zapping a huge rmap list could be
slow.  The easy way is to travers the rmap list, collecting the a/d bits and
free the slots along the way.

Provide a pte_list_destroy() and do exactly that.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20210730220605.26377-1-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-08-04 05:55:56 -04:00
..
alpha Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
arc Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
arm ARM: SoC fixes for v5.14 2021-07-17 15:58:24 -07:00
arm64 KVM/arm64 fixes for 5.14, take #1 2021-07-19 10:05:40 -04:00
csky Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
h8300 Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
hexagon Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
ia64 Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
m68k Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
microblaze Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
mips Merge tag 'kvm-s390-master-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD 2021-07-14 12:14:27 -04:00
nds32 Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
nios2 Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
openrisc Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
parisc Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
powerpc Merge tag 'kvm-s390-master-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD 2021-07-14 12:14:27 -04:00
riscv Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
s390 KVM: s390: restore old debugfs names 2021-07-27 16:59:00 -04:00
sh Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
sparc Locking fixes: 2021-07-11 11:06:09 -07:00
um Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
x86 KVM: X86: Optimize zapping rmap 2021-08-04 05:55:56 -04:00
xtensa Kbuild updates for v5.14 2021-07-10 11:01:38 -07:00
.gitignore
Kconfig Kconfig: Introduce ARCH_WANTS_NO_INSTR and CC_HAS_NO_PROFILE_FN_ATTR 2021-06-22 11:07:18 -07:00