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authorLinus Torvalds <torvalds@linux-foundation.org>2019-05-22 18:36:16 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-22 18:36:16 +0300
commit54dee406374ce8adb352c48e175176247cb8db7c (patch)
tree5a935f0e3bdbd28d869f5cd319891023e1152a3a /drivers/perf
parent651bae980e3f3e6acf0d297ced08f9d7af71a8c9 (diff)
parent7a0a93c51799edc45ee57c6cc1679aa94f1e03d5 (diff)
downloadlinux-54dee406374ce8adb352c48e175176247cb8db7c.tar.xz
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon: - Fix SPE probe failure when backing auxbuf with high-order pages - Fix handling of DMA allocations from outside of the vmalloc area - Fix generation of build-id ELF section for vDSO object - Disable huge I/O mappings if kernel page table dumping is enabled - A few other minor fixes (comments, kconfig etc) * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: vdso: Explicitly add build-id option arm64/mm: Inhibit huge-vmap with ptdump arm64: Print physical address of page table base in show_pte() arm64: don't trash config with compat symbol if COMPAT is disabled arm64: assembler: Update comment above cond_yield_neon() macro drivers/perf: arm_spe: Don't error on high-order pages for aux buf arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm_spe_pmu.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 7cb766dafe85..e120f933412a 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -855,16 +855,8 @@ static void *arm_spe_pmu_setup_aux(struct perf_event *event, void **pages,
if (!pglist)
goto out_free_buf;
- for (i = 0; i < nr_pages; ++i) {
- struct page *page = virt_to_page(pages[i]);
-
- if (PagePrivate(page)) {
- pr_warn("unexpected high-order page for auxbuf!");
- goto out_free_pglist;
- }
-
+ for (i = 0; i < nr_pages; ++i)
pglist[i] = virt_to_page(pages[i]);
- }
buf->base = vmap(pglist, nr_pages, VM_MAP, PAGE_KERNEL);
if (!buf->base)