Avoid calls to bzero() before ireloc.
Evaluate cpu_stdext_feature early to have moved link_elf_ireloc() see correct flags, most important is SMAP. Tested by: mjg Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D15367
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=333411
@ -1556,18 +1556,23 @@ hammer_time(u_int64_t modulep, u_int64_t physfree)
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TSRAW(&thread0, TS_ENTER, __func__, NULL);
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/*
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* This may be done better later if it gets more high level
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* components in it. If so just link td->td_proc here.
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*/
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proc_linkup0(&proc0, &thread0);
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kmdp = init_ops.parse_preload_data(modulep);
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identify_cpu1();
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identify_hypervisor();
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/*
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* hw.cpu_stdext_disable is ignored by the call, it will be
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* re-evaluted by the below call to finishidentcpu().
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*/
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identify_cpu2();
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/* link_elf_ireloc(kmdp); */
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link_elf_ireloc(kmdp);
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/*
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* This may be done better later if it gets more high level
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* components in it. If so just link td->td_proc here.
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*/
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proc_linkup0(&proc0, &thread0);
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/* Init basic tunables, hz etc */
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init_param1();
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@ -1753,7 +1758,6 @@ hammer_time(u_int64_t modulep, u_int64_t physfree)
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cninit();
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amd64_kdb_init();
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}
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link_elf_ireloc(kmdp);
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getmemsize(kmdp, physfree);
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init_param2(physmem);
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@ -1692,9 +1692,15 @@ link_elf_ireloc(caddr_t kmdp)
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{
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struct elf_file eff;
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elf_file_t ef;
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volatile char *c;
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size_t i;
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ef = &eff;
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bzero(ef, sizeof(*ef));
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/* Do not use bzero/memset before ireloc is done. */
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for (c = (char *)ef, i = 0; i < sizeof(*ef); i++)
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c[i] = 0;
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ef->modptr = kmdp;
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ef->dynamic = (Elf_Dyn *)&_DYNAMIC;
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parse_dynamic(ef);
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