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First round of arm64 fixes for -rc2

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- 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)
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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
This commit is contained in:
Linus Torvalds 2019-05-22 08:36:16 -07:00
commit 54dee40637
7 changed files with 30 additions and 23 deletions
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10
drivers/perf/arm_spe_pmu.c
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@ -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)