diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-06-12 10:08:24 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-04 13:33:00 -0700 |
| commit | 5ef04a7b068cbb828eba226aacb42f880f7924d7 (patch) | |
| tree | 92595a2d68b1a4b41e4762e62c0b58e4467d0a83 /arch/x86/kernel/cpu/bugs.c | |
| parent | c975e1dfcc929dbfde8abfa514494b66f0335006 (diff) | |
| parent | d69eb204c255c35abd9e8cb621484e8074c75eaa (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc5).
No conflicts.
Adjacent changes:
include/net/sock.h
c51613fa276f ("net: add sk->sk_drop_counters")
5d6b58c932ec ("net: lockless sock_i_ino()")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 49ef1b832c1a..af838b8d845c 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -416,6 +416,10 @@ static bool __init should_mitigate_vuln(unsigned int bug) cpu_attack_vector_mitigated(CPU_MITIGATE_USER_USER) || cpu_attack_vector_mitigated(CPU_MITIGATE_GUEST_GUEST) || (smt_mitigations != SMT_MITIGATIONS_OFF); + + case X86_BUG_SPEC_STORE_BYPASS: + return cpu_attack_vector_mitigated(CPU_MITIGATE_USER_USER); + default: WARN(1, "Unknown bug %x\n", bug); return false; @@ -2710,6 +2714,11 @@ static void __init ssb_select_mitigation(void) ssb_mode = SPEC_STORE_BYPASS_DISABLE; break; case SPEC_STORE_BYPASS_CMD_AUTO: + if (should_mitigate_vuln(X86_BUG_SPEC_STORE_BYPASS)) + ssb_mode = SPEC_STORE_BYPASS_PRCTL; + else + ssb_mode = SPEC_STORE_BYPASS_NONE; + break; case SPEC_STORE_BYPASS_CMD_PRCTL: ssb_mode = SPEC_STORE_BYPASS_PRCTL; break; |