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Allow sysctl hw.machine/hw.machine_arch in capability mode
There's no harm in reading strings like 'amd64'. Reviewed by: emaste, manu Sponsored by: https://www.patreon.com/valpackett Differential Revision: https://reviews.freebsd.org/D28703
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@ -53,7 +53,7 @@ __FBSDID("$FreeBSD$");
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char machine[] = "arm";
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD | CTLFLAG_CAPRD,
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machine, 0, "Machine class");
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static char cpu_model[64];
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@ -98,7 +98,8 @@ sysctl_hw_machine(SYSCTL_HANDLER_ARGS)
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}
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SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD |
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CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A", "Machine class");
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CTLFLAG_CAPRD | CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A",
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"Machine class");
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static char cpu_model[64];
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SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
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@ -315,7 +315,7 @@ sysctl_hw_machine_arch(SYSCTL_HANDLER_ARGS)
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return (SYSCTL_OUT(req, machine_arch, strlen(machine_arch) + 1));
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}
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SYSCTL_PROC(_hw, HW_MACHINE_ARCH, machine_arch, CTLTYPE_STRING | CTLFLAG_RD |
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CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine_arch, "A",
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CTLFLAG_CAPRD | CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine_arch, "A",
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"System architecture");
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#ifndef MACHINE_ARCHES
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@ -155,7 +155,7 @@ static char init_kenv[2048];
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static struct trapframe frame0;
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char machine[] = "powerpc";
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD, machine, 0, "");
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD | CTLFLAG_CAPRD, machine, 0, "");
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static void cpu_startup(void *);
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SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL);
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@ -58,7 +58,7 @@ __FBSDID("$FreeBSD$");
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char machine[] = "riscv";
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD, machine, 0,
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD | CTLFLAG_CAPRD, machine, 0,
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"Machine class");
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/* Hardware implementation info. These values may be empty. */
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@ -153,9 +153,9 @@ sysctl_hw_machine(SYSCTL_HANDLER_ARGS)
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}
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SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD |
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CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A", "Machine class");
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CTLFLAG_CAPRD | CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A", "Machine class");
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#else
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD,
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SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD | CTLFLAG_CAPRD,
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machine, 0, "Machine class");
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#endif
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