[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v3 4/4] x86/spec: do not print thunk option selection if not built-in
Now that the thunk built-in enable is printed as part of the "Compiled-in support:" line, avoid printing anything in "Xen settings:" if the thunk is disabled at build time. Note the BTI-Thunk option printing is also adjusted to print a colon in the same way the other options on the line do. Requested-by: Jan Beulich <jbeulich@xxxxxxxx> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> --- Changes since v3: - New in this version. --- xen/arch/x86/spec_ctrl.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c index ca82b9e41ccd..e8b0e62adba4 100644 --- a/xen/arch/x86/spec_ctrl.c +++ b/xen/arch/x86/spec_ctrl.c @@ -504,11 +504,12 @@ static void __init print_details(enum ind_thunk thunk) "\n"); /* Settings for Xen's protection, irrespective of guests. */ - printk(" Xen settings: BTI-Thunk %s, SPEC_CTRL: %s%s%s%s%s, Other:%s%s%s%s%s%s\n", - thunk == THUNK_NONE ? "N/A" : - thunk == THUNK_RETPOLINE ? "RETPOLINE" : - thunk == THUNK_LFENCE ? "LFENCE" : - thunk == THUNK_JMP ? "JMP" : "?", + printk(" Xen settings: %s%sSPEC_CTRL: %s%s%s%s%s, Other:%s%s%s%s%s%s\n", + thunk != THUNK_NONE ? "BTI-Thunk: " : "", + thunk == THUNK_NONE ? "" : + thunk == THUNK_RETPOLINE ? "RETPOLINE, " : + thunk == THUNK_LFENCE ? "LFENCE, " : + thunk == THUNK_JMP ? "JMP, " : "?, ", (!boot_cpu_has(X86_FEATURE_IBRSB) && !boot_cpu_has(X86_FEATURE_IBRS)) ? "No" : (default_xen_spec_ctrl & SPEC_CTRL_IBRS) ? "IBRS+" : "IBRS-", -- 2.43.0
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