Re: [PATCH 16/17] arch: remove HAVE_COPY_THREAD_TLS
On Tue, Jun 23, 2020 at 1:47 AM Christian Brauner
wrote:
> All architectures support copy_thread_tls() now, so remove the legacy
> copy_thread() function and the HAVE_COPY_THREAD_TLS config option. Everyone
> uses the same process creation calling convention based on
> copy_thread_tls() and struct kernel_clone_args. This will make it easier to
> maintain the core process creation code under kernel/, simplifies the
> callpaths and makes the identical for all architectures.
> Signed-off-by: Christian Brauner
> arch/m68k/Kconfig | 1 -
Acked-by: Geert Uytterhoeven
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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Re: [PATCH 17/17] arch: rename copy_thread_tls() back to copy_thread()
On Tue, Jun 23, 2020 at 1:47 AM Christian Brauner
wrote:
> Now that HAVE_COPY_THREAD_TLS has been removed, rename copy_thread_tls()
> back simply copy_thread(). It's a simpler name, and doesn't imply that only
> tls is copied here. This finishes an outstanding chunk of internal process
> creation work since we've added clone3().
> Signed-off-by: Christian Brauner
> arch/m68k/kernel/process.c | 2 +-
Acked-by: Geert Uytterhoeven
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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Re: [PATCH v7 00/13] glibc port to ARC processors
On 6/15/20 1:14 PM, Vineet Gupta wrote: > Hi, > > This patchset implements glibc port to ARC HS48x processor from Synopsys. ping ! > > g...@github.com:foss-for-synopsys-dwc-arc-processors/glibc.git upstream-v7 > > v7: >* Addresses review comments from Adhemerval Zanella and Florian > Weimer (many thx to you both) >* Dropped ARC specific semaphore.h (following upstream 1270fbaaeebe) >* ARC specific dl-runtime.h (following upstream 8dbb7a08ec52) >* ARC specific math-use-builtins.h and dropped ARC specific sqrt/fma > routines (math-use-builtins.h will be disintegrated once done upstream) >* setjmp/longjmp to save GP, no need to save r25 (thread pointer) >* makecontext/startcontext use r14/r15 (vs. r13/r14) >* flatten out register file in mcontext_t (remove scratch/callee) >* Use of 'C' comments in asm code, LDR/STR macros >* Use of L (..) in asm code >* Dropped asm global register r25 specification for thread pointer > and rely on __builtin_thread_pointer >* NEWS update rewording >* Sweeping update of Copyright year 2020 > v6: >* Dropped 11/14: merged upstream >* _FPU_SETS() inline asm reworked >* Introduce fixup-asm-unistd.h to elide 32-bit time, offset syscalls and > regenerate arch-syscall.h >* Fix snafu in updating build-many-glibcs for ARC >* More code sytle fixes flagged by Joseph > v5: >* Big Endian formally supported as multi-ABI >* Removed code for ARC700 processors >* Hard-float code updates: fegetmode, fesetround, feupdateenv >* socket-constant.h update for 64-bit ABI spun off as standalone patch >* __syscall_error made glibc_private >* math ulps regen >* gmp-mparam.h removed >* lint fixes as flagged by Joseph > v4: >* Dropped 1/17: Merged upstream >* Dropped 17/17: >- 64-bit time/offset code chunked up into respective patches >* sysctl removed >* Updated README for arc gnu triplet >* Updated install files for ARC gcc/binutils requirements >* Updated NEWS with brief ISA/ABI info > > v3: >* Support for Hardware Floating Point >* 64-bit time and offsets ABI (although all such changes are confined > to a single patch) > > v5: https://sourceware.org/pipermail/libc-alpha/2020-April/112657.html > v4: https://sourceware.org/pipermail/libc-alpha/2020-March/111855.html > v3: https://sourceware.org/legacy-ml/libc-alpha/2020-03/msg00167.html > v2: https://sourceware.org/legacy-ml/libc-alpha/2019-01/msg00681.html > v1: https://sourceware.org/legacy-ml/libc-alpha/2018-12/msg00678.html > > Documentation: > -- > > (a) ABI doc: > https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/wiki/files/ARCv2_ABI.pdf > > (b) Programmer's Reference Manual (PRM) : needs a download request to be > filled > https://www.synopsys.com/dw/ipdir.php?ds=arc-hs44-hs46-hs48 > https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf > > Test Results: > -- > (a) build-many-glibcs.py > > | Summary of test results: > | 1251 PASS > | 15 XFAIL > > > (b) Full testsuite ran in a cross compile setup using buildroot on HSDK > development > platform. Bulk of failures come from cross testing setup and I > intend to improve things with native testing going forward. > > | Summary of test results: > | 30 FAIL (-3) > | > | FAIL: csu/test-as-const-tcb-offsets > + FAIL: elf/tst-audit14 > + FAIL: elf/tst-audit15 > + FAIL: elf/tst-audit16 > | FAIL: elf/tst-ldconfig-ld_so_conf-update # not true: dlopen > | FAIL: iconv/test-iconvconfig# Needs gconv installed > - FAIL: iconv/tst-gconv-init-failure > | FAIL: io/ftwtest# Requires execution by non-root > - FAIL: io/tst-futimesat > | FAIL: io/tst-lockf > | FAIL: libio/tst-wfile-sync > | FAIL: locale/tst-C-locale > | FAIL: locale/tst-duplocale > | FAIL: locale/tst-locale-locpath > | FAIL: locale/tst-locname > | FAIL: localedata/sort-test > | FAIL: nptl/test-cond-printers # needs Python3 and target GDB > on target > | FAIL: nptl/test-condattr-printers #ditto > | FAIL: nptl/test-mutex-printers #ditto > | FAIL: nptl/test-mutexattr-printers #ditto > | FAIL: nptl/test-rwlock-printers #ditto > | FAIL: nptl/test-rwlockattr-printers #ditto > | FAIL: nptl/tst-umask1 # passes if run natively on > target (NFS ACLv3 support needed) > | FAIL: nss/bug-erange > | FAIL: nss/tst-nss-files-hosts-getent# Timed out > | FAIL: nss/tst-nss-files-hosts-multi # Timed out > | FAIL: posix/bug-ga2 # DNS issue: google DNS vs. SNPS > | FAIL: posix/globtest# require same user on target > and host > | FAIL: posix/tst-getaddrinfo5# passes outside corporate > network > - FAIL: resolv/tst-resolv-basic > - FAIL: resolv/tst-resolv-edns > - FAIL: resolv/tst-resolv-rotate > - FAIL: resolv/tst-resolv-search > | FAIL: stdio-c
Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests
On 06/15/2020 09:07 AM, Anshuman Khandual wrote: > This series adds some more arch page table helper validation tests which > are related to core and advanced memory functions. This also creates a > documentation, enlisting expected semantics for all page table helpers as > suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40). > > There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD > ifdefs scattered across the test. But consolidating all the fallback stubs > is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is > not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE. > > Tested on arm64, x86 platforms but only build tested on all other enabled > platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The > following failure on arm64 still exists which was mentioned previously. It > will be fixed with the upcoming THP migration on arm64 enablement series. > > WARNING mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54 > WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd > > This series is based on v5.8-rc1. > > Changes in V3: > > - Replaced HAVE_ARCH_SOFT_DIRTY with MEM_SOFT_DIRTY > - Added HAVE_ARCH_HUGE_VMAP checks in pxx_huge_tests() per Gerald > - Updated documentation for pmd_thp_tests() per Zi Yan > - Replaced READ_ONCE() with huge_ptep_get() per Gerald > - Added pte_mkhuge() and masking with PMD_MASK per Gerald > - Replaced pte_same() with holding pfn check in pxx_swap_tests() > - Added documentation for all (#ifdef #else #endif) per Gerald > - Updated pmd_protnone_tests() per Gerald > - Updated HugeTLB PTE creation in hugetlb_advanced_tests() per Gerald > - Replaced [pmd|pud]_mknotpresent() with [pmd|pud]_mkinvalid() > - Added has_transparent_hugepage() check for PMD and PUD tests > - Added a patch which debug prints all individual tests being executed > - Updated documentation for renamed [pmd|pud]_mkinvalid() helpers Hello Gerald/Christophe/Vineet, It would be really great if you could give this series a quick test on s390/ppc/arc platforms respectively. Thank you. - Anshuman ___ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
