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Searched refs:speculative (Results 1 – 25 of 27) sorted by relevance

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/linux/Documentation/admin-guide/hw-vuln/
H A Dspectre.rst7 and speculative execution on modern CPUs to read memory, possibly
18 use branch prediction and speculative execution.
53 CPUs use speculative operations to improve performance. That may leave
56 influence the speculative execution paths, and then use the side effects
57 of the speculative execution in the CPUs' caches and buffers to infer
58 privileged data touched during the speculative execution.
60 Spectre variant 1 attacks take advantage of speculative execution of
61 conditional branches, while Spectre variant 2 attacks use speculative
70 of speculative execution that bypasses conditional branch instructions
74 done speculatively before validation checks resolve. Such speculative
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H A Dtsx_async_abort.rst6 TAA is a hardware vulnerability that allows unprivileged speculative access to
29 microprocessors utilizing speculative execution may
H A Dgather_data_sampling.rst7 speculative access to data which was previously stored in vector registers.
H A Dl1tf.rst5 speculative access to data which is available in the Level 1 Data Cache
48 then speculative execution ignores the invalid PTE and loads the referenced
52 While this is a purely speculative mechanism and the instruction will raise
54 data and making it available to other speculative instructions opens up the
H A Drsb.rst254 …verflow <https://www.amd.com/content/dam/amd/en/documents/corporate/cr/speculative-return-stack-ov…
/linux/Documentation/ABI/testing/
H A Dconfigfs-most59 creation of the link. In case of speculative
114 creation of the link. In case of speculative
169 creation of the link. In case of speculative
235 creation of the link. In case of speculative
/linux/arch/alpha/lib/
H A Dev67-strchr.S59 cttz t0, a2 # U0 : speculative (in case we get a match)
76 cttz t3, a2 # U0 : speculative (in case we get a match)
H A Dev6-memset.S166 addq $5, 128, $4 # E : speculative target of next wh64
344 addq $5, 128, $4 # E : speculative target of next wh64
532 addq $5, 128, $4 # E : speculative target of next wh64
/linux/Documentation/staging/
H A Dspeculation.rst11 employ speculative execution techniques such as branch prediction, performing
14 Typically speculative execution cannot be observed from architectural state,
/linux/fs/afs/
H A Ddir_silly.c87 op->more_files[0].speculative = true; in afs_do_silly_rename()
89 op->more_files[1].speculative = true; in afs_do_silly_rename()
H A Ddir.c859 vp->speculative = true; /* vnode not locked */ in afs_do_lookup()
2110 op->more_files[0].speculative = true; in afs_rename()
2112 op->more_files[1].speculative = true; in afs_rename()
H A Dinode.c398 if (vp->speculative && in afs_vnode_commit_status()
H A Dinternal.h854 bool speculative:1; /* T if speculative status fetch (no vnode lock) */ member
/linux/arch/sh/
H A DKconfig.cpu69 This enables support for a speculative instruction fetch for
/linux/Documentation/driver-api/mmc/
H A Dmmc-async-req.rst10 It depends. Fast eMMC and multiple cache levels with speculative cache
/linux/Documentation/filesystems/ext4/
H A Dallocators.rst21 unused speculative allocations are of course freed, but if the
/linux/drivers/staging/most/Documentation/
H A Ddriver_usage.txt154 case of speculative configuration, the creation is post-poned until
175 In case of speculative configuration, the creation is post-poned
/linux/tools/perf/Documentation/
H A Dperf-arm-spe.txt107 The coarse effect of conversions, and, if applicable, sampling of speculative operations, can be
167 bit 1 - Instruction retired (i.e. omit speculative instructions)
/linux/arch/s390/
H A DKconfig609 regard to speculative execution.
622 prompt "Avoid speculative indirect branches in the kernel"
625 against kernel-to-user data leaks by avoiding speculative indirect
/linux/tools/testing/selftests/bpf/
H A DREADME.rst145 verifier to understand such speculative pointer arithmetic.
/linux/kernel/bpf/
H A Dverifier.c1767 dst_state->speculative = src->speculative; in copy_verifier_state()
1974 if (!st->speculative) { in maybe_exit_scc()
2124 bool speculative) in push_stack() argument
2143 elem->st.speculative |= speculative; in push_stack()
14594 if (vstate->speculative) in sanitize_ptr_alu()
14674 if (!vstate->speculative) in sanitize_mark_insn_seen()
15017 && !env->cur_state->speculative in adjust_ptr_min_max_vals()
20149 if (old->speculative && !cur->speculative) in states_equal()
20963 env->insn_idx, env->cur_state->speculative); in check_indirect_jump()
21186 env->cur_state->speculative ? in do_check()
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/linux/net/sched/
H A DKconfig377 The Remus HA project uses this module to enable speculative execution
/linux/arch/arm/mm/
H A DKconfig1108 on ARMv6 CPUs, but since they do not have aggressive speculative
/linux/Documentation/
H A Dmemory-barriers.txt368 deferral and combination of memory operations; speculative loads; speculative
/linux/arch/arm/
H A DKconfig696 r3p*) erratum. A speculative memory access may cause a page table walk

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