| /linux/net/ceph/ |
| H A D | pagevec.c | 96 dout("zeroing %d %p head from %d\n", i, pages[i], in ceph_zero_page_vector_range()
103 dout("zeroing %d %p len=%d\n", i, pages[i], len); in ceph_zero_page_vector_range()
110 dout("zeroing %d %p tail to %d\n", i, pages[i], (int)len); in ceph_zero_page_vector_range()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-iio-adc-mcp3564 | 22 auto-zeroing algorithm (the input multiplexer and the ADC
48 limitation, the buffer includes an auto-zeroing algorithm that
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| /linux/fs/xfs/ |
| H A D | xfs_file.c | 346 * Take care of zeroing post-EOF blocks when they might exist.
372 * hence be able to correctly determine if we need to run zeroing. in xfs_file_write_zero_eof()
387 * If zeroing is needed and we are currently holding the iolock in xfs_file_write_zero_eof()
524 * iolock. Also we need to reserve a block each for zeroing the old in xfs_zoned_write_space_reserve()
796 * to do sub-block zeroing and that requires serialisation against other direct
798 * the unaligned I/O so that we don't get racing block zeroing in the dio layer.
799 * In the case where sub-block zeroing is not required, we can do concurrent
804 * if block allocation or partial block zeroing would be required. In that case
820 * Extending writes need exclusivity because of the sub-block zeroing in xfs_file_dio_write_unaligned()
1244 * 1.) Hole punch handles partial block zeroing for us.
[all …]
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| H A D | xfs_iomap.c | 734 /* don't allocate blocks when just zeroing */ in imap_needs_alloc()
757 /* when zeroing we don't have to COW holes or unwritten extents */ in imap_needs_cow()
970 * requiring sub-block zeroing. This can only be done under an in xfs_direct_write_iomap_begin()
1579 * For zeroing operations check if there is any data to zero first. in xfs_zoned_buffered_write_iomap_begin()
1599 * We never need to allocate blocks for zeroing a hole. in xfs_zoned_buffered_write_iomap_begin()
1762 /* We never need to allocate blocks for zeroing or unsharing a hole. */ in xfs_buffered_write_iomap_begin()
1770 * For zeroing, trim a delalloc extent that extends beyond the EOF in xfs_buffered_write_iomap_begin()
1811 * overwriting shared extents. This includes zeroing of in xfs_buffered_write_iomap_begin()
1996 /* For zeroing operations the callers already hold invalidate_lock. */ in xfs_buffered_write_iomap_end()
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| /linux/drivers/usb/musb/ |
| H A D | musb_regs.h | 103 /* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
151 /* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
186 /* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
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| /linux/security/ |
| H A D | Kconfig.hardening | 160 bool "Enable heap memory zeroing on allocation by default"
173 bool "Enable heap memory zeroing on free by default"
197 bool "Enable register zeroing on function exit"
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| /linux/fs/ocfs2/ |
| H A D | blockcheck.c | 341 * take care of zeroing it before calculating the check information. If
372 * the function will take care of zeroing bc before calculating check codes.
433 * take care of zeroing it before calculating the check information. If
479 * zeroing bc before calculating check codes. If bc is not a pointer
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| /linux/include/linux/ |
| H A D | stackprotector.h | 11 * by zeroing out the first byte of the canary; this leaves 56 bits of entropy.
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| /linux/tools/testing/selftests/powerpc/math/ |
| H A D | mma.S | 17 * X-form (xxmtacc) (not needed due to above zeroing) */
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| /linux/arch/s390/purgatory/ |
| H A D | purgatory.lds.S | 43 . = ALIGN(8); /* For convenience during zeroing */
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| /linux/drivers/net/wireguard/ |
| H A D | timers.c | 23 * - Timer for zeroing out all ephemeral keys after `(REJECT_AFTER_TIME * 3)` ms
130 …pr_debug("%s: Zeroing out all keys for peer %llu (%pISpfsc), since we haven't received a new one i… in wg_queued_expired_zero_key_material()
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | thin-provisioning.rst | 73 make one by zeroing the first 4k to indicate empty metadata.
115 not zeroing newly-allocated data, a larger $data_block_size in the
275 Skip the zeroing of newly-provisioned blocks.
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| /linux/lib/crypto/mpi/ |
| H A D | mpih-mul.c | 62 * stored (not added) to PROD. We also avoid a loop for zeroing. */ in mul_n_basecase()
214 * stored (not added) to PROD. We also avoid a loop for zeroing. */ in mpih_sqr_n_basecase()
444 * stored (not added) to PROD. We also avoid a loop for zeroing. */ in mpihelp_mul()
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| /linux/fs/fuse/ |
| H A D | fuse_dev_i.h | 67 int zeroing);
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| /linux/kernel/bpf/preload/ |
| H A D | bpf_preload_kern.c | 61 /* Avoid taking over stdin/stdout/stderr of init process. Zeroing out in load_skel()
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| /linux/fs/iomap/ |
| H A D | direct-io.c | 28 * Used for sub block zeroing in iomap_dio_zero()
378 * This rules out writes that need zeroing or extent conversion, in iomap_dio_bio_iter()
441 * through to the sub-block tail zeroing here, otherwise in iomap_dio_bio_iter()
482 * requires zeroing or the write extends beyond EOF. If we don't zero in iomap_dio_bio_iter()
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| /linux/lib/tests/ |
| H A D | stackinit_kunit.c | 3 * Test cases for compiler-based stack variable zeroing via
198 * @var_type: type to be tested for zeroing initialization
585 MODULE_DESCRIPTION("Test cases for compiler-based stack variable zeroing");
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| /linux/tools/perf/pmu-events/arch/x86/amdzen1/ |
| H A D | cache.json | 200 …on": "LS to L2 WCB cache line zeroing requests. LS (Load/Store unit) to L2 WCB (Write Combining Bu…
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| /linux/block/ |
| H A D | blk-lib.c | 118 * disabled if a zeroing operation subsequently fails. This means that this
272 * -EOPNOTSUPP if no explicit hardware offload for zeroing is provided.
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| /linux/arch/sh/ |
| H A D | Kconfig.debug | 76 bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
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| /linux/tools/perf/pmu-events/arch/x86/amdzen2/ |
| H A D | cache.json | 130 …on": "LS to L2 WCB cache line zeroing requests. LS (Load/Store unit) to L2 WCB (Write Combining Bu…
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| /linux/drivers/net/ethernet/intel/igc/ |
| H A D | igc_base.c | 291 hw_dbg("Zeroing the MTA\n"); in igc_init_hw_base()
296 hw_dbg("Zeroing the UTA\n"); in igc_init_hw_base()
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| /linux/arch/x86/boot/compressed/ |
| H A D | vmlinux.lds.S | 69 . = ALIGN(8); /* For convenience during zeroing */
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| /linux/drivers/block/drbd/ |
| H A D | drbd_protocol.h | 239 * zeroing" (by "discarding" blocks aligned to discard-granularity, and zeroing
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| /linux/tools/perf/pmu-events/arch/x86/amdzen3/ |
| H A D | cache.json | 130 …on": "LS to L2 WCB cache line zeroing requests. LS (Load/Store unit) to L2 WCB (Write Combining Bu…
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