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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-12 10:00:15 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-12 10:00:15 -0800 |
commit | aefd140437aab84afeec0be48dd6871c2113a746 (patch) | |
tree | 275015c16f7b6f80a7409d4f9c81ae1ad178d44f /arch/x86/xen/mmu_pv.c | |
parent | 4e67483a6f6f08b96a5e8833f3587c1255b08add (diff) | |
parent | cf2acf66ad43abb39735568f55e1f85f9844e990 (diff) | |
download | linux-aefd140437aab84afeec0be48dd6871c2113a746.tar.bz2 |
Merge tag 'for-linus-4.15-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"This contains two build fixes for clang and two fixes for rather
unlikely situations in the Xen gntdev driver"
* tag 'for-linus-4.15-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/gntdev: Fix partial gntdev_mmap() cleanup
xen/gntdev: Fix off-by-one error when unmapping with holes
x86: xen: remove the use of VLAIS
x86/xen/time: fix section mismatch for xen_init_time_ops()
Diffstat (limited to 'arch/x86/xen/mmu_pv.c')
-rw-r--r-- | arch/x86/xen/mmu_pv.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 4d62c071b166..d85076223a69 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -1325,20 +1325,18 @@ static void xen_flush_tlb_others(const struct cpumask *cpus, { struct { struct mmuext_op op; -#ifdef CONFIG_SMP - DECLARE_BITMAP(mask, num_processors); -#else DECLARE_BITMAP(mask, NR_CPUS); -#endif } *args; struct multicall_space mcs; + const size_t mc_entry_size = sizeof(args->op) + + sizeof(args->mask[0]) * BITS_TO_LONGS(num_possible_cpus()); trace_xen_mmu_flush_tlb_others(cpus, info->mm, info->start, info->end); if (cpumask_empty(cpus)) return; /* nothing to do */ - mcs = xen_mc_entry(sizeof(*args)); + mcs = xen_mc_entry(mc_entry_size); args = mcs.args; args->op.arg2.vcpumask = to_cpumask(args->mask); |