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/linux-6.14.4/net/ceph/
Dpagevec.c96 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()
/linux-6.14.4/Documentation/ABI/testing/
Dsysfs-bus-iio-adc-mcp356422 auto-zeroing algorithm (the input multiplexer and the ADC
48 limitation, the buffer includes an auto-zeroing algorithm that
/linux-6.14.4/drivers/usb/musb/
Dmusb_regs.h103 /* 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) */
/linux-6.14.4/fs/xfs/
Dxfs_file.c351 * Take care of zeroing post-EOF blocks when they might exist.
376 * hence be able to correctly determine if we need to run zeroing. in xfs_file_write_zero_eof()
391 * If zeroing is needed and we are currently holding the iolock in xfs_file_write_zero_eof()
628 * to do sub-block zeroing and that requires serialisation against other direct
630 * the unaligned I/O so that we don't get racing block zeroing in the dio layer.
631 * In the case where sub-block zeroing is not required, we can do concurrent
636 * if block allocation or partial block zeroing would be required. In that case
652 * Extending writes need exclusivity because of the sub-block zeroing in xfs_file_dio_write_unaligned()
998 * 1.) Hole punch handles partial block zeroing for us.
Dxfs_iomap.c720 /* don't allocate blocks when just zeroing */ in imap_needs_alloc()
743 /* when zeroing we don't have to COW holes or unwritten extents */ in imap_needs_cow()
894 * requiring sub-block zeroing. This can only be done under an in xfs_direct_write_iomap_begin()
1052 /* We never need to allocate blocks for zeroing or unsharing a hole. */ in xfs_buffered_write_iomap_begin()
1060 * For zeroing, trim a delalloc extent that extends beyond the EOF in xfs_buffered_write_iomap_begin()
1101 * overwriting shared extents. This includes zeroing of in xfs_buffered_write_iomap_begin()
1283 /* For zeroing operations the callers already hold invalidate_lock. */ in xfs_buffered_write_iomap_end()
/linux-6.14.4/lib/
Dusercopy_kunit.c242 "zeroing failure for illegal all-kernel copy_from_user"); in usercopy_test_invalid()
247 * due to the zeroing of userspace memory on failure. This needs in usercopy_test_invalid()
270 "zeroing failure for illegal get_user (" #size ")"); \ in usercopy_test_invalid()
Dstackinit_kunit.c3 * Test cases for compiler-based stack variable zeroing via
198 * @var_type: type to be tested for zeroing initialization
593 MODULE_DESCRIPTION("Test cases for compiler-based stack variable zeroing");
/linux-6.14.4/security/
DKconfig.hardening229 bool "Enable heap memory zeroing on allocation by default"
242 bool "Enable heap memory zeroing on free by default"
266 bool "Enable register zeroing on function exit"
/linux-6.14.4/include/linux/
Dstackprotector.h11 * by zeroing out the first byte of the canary; this leaves 56 bits of entropy.
/linux-6.14.4/arch/arm64/lib/
Dmemset.S136 * For zeroing memory, check to see if we can use the ZVA feature to
143 * For zeroing small amounts of memory, it's not worth setting up
/linux-6.14.4/fs/ocfs2/
Dblockcheck.c341 * 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
/linux-6.14.4/tools/testing/selftests/powerpc/math/
Dmma.S17 * X-form (xxmtacc) (not needed due to above zeroing) */
/linux-6.14.4/arch/s390/purgatory/
Dpurgatory.lds.S43 . = ALIGN(8); /* For convenience during zeroing */
/linux-6.14.4/Documentation/filesystems/iomap/
Doperations.rst223 Zeroing for File Operations
226 Filesystems can call ``iomap_zero_range`` to perform zeroing of the
419 sub-block zeroing safely.
508 * ``IOMAP_OVERWRITE_ONLY``: Allocating blocks and zeroing partial
513 if the mapping is unwritten and the filesystem cannot handle zeroing
/linux-6.14.4/drivers/net/wireguard/
Dtimers.c23 * - Timer for zeroing out all ephemeral keys after `(REJECT_AFTER_TIME * 3)` ms
127 …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()
/linux-6.14.4/fs/fuse/
Dfuse_dev_i.h58 int zeroing);
/linux-6.14.4/Documentation/admin-guide/device-mapper/
Dthin-provisioning.rst73 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.
/linux-6.14.4/kernel/bpf/preload/
Dbpf_preload_kern.c61 /* Avoid taking over stdin/stdout/stderr of init process. Zeroing out in load_skel()
/linux-6.14.4/lib/crypto/mpi/
Dmpih-mul.c62 * 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()
/linux-6.14.4/tools/perf/pmu-events/arch/x86/amdzen1/
Dcache.json200 …on": "LS to L2 WCB cache line zeroing requests. LS (Load/Store unit) to L2 WCB (Write Combining Bu…
/linux-6.14.4/block/
Dblk-lib.c118 * disabled if a zeroing operation subsequently fails. This means that this
271 * -EOPNOTSUPP if no explicit hardware offload for zeroing is provided.
/linux-6.14.4/fs/iomap/
Ddirect-io.c31 * Used for sub block zeroing in iomap_dio_zero()
360 * writes that need zeroing or extent conversion, extend in iomap_dio_bio_iter()
410 * through to the sub-block tail zeroing here, otherwise in iomap_dio_bio_iter()
451 * requires zeroing or the write extends beyond EOF. If we don't zero in iomap_dio_bio_iter()
/linux-6.14.4/arch/x86/boot/compressed/
Dvmlinux.lds.S61 . = ALIGN(8); /* For convenience during zeroing */
/linux-6.14.4/arch/sh/
DKconfig.debug76 bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
/linux-6.14.4/drivers/net/ethernet/intel/igc/
Digc_base.c291 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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