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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 09:00:11 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 09:00:11 -0700 |
commit | 2c532791802223560f86e3864dbafa3a6d9d008d (patch) | |
tree | 3b0d2eff6b44e92f2060663fc763899394019bd7 /arch/x86/kernel/cpu | |
parent | 41acc109a53dd32cd5739cee996068269dcd2962 (diff) | |
parent | 2ffdc2c34421561c12f843e497dd7ce898478c0f (diff) | |
download | linux-stable-2c532791802223560f86e3864dbafa3a6d9d008d.tar.gz linux-stable-2c532791802223560f86e3864dbafa3a6d9d008d.tar.bz2 linux-stable-2c532791802223560f86e3864dbafa3a6d9d008d.zip |
Merge tag 'ras_core_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS update from Borislav Petkov:
"Provide the ability to specify the IPID (IP block associated with the
MCE, AMD-specific) when injecting an MCE"
* tag 'ras_core_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/inject: Add IPID for injection too
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r-- | arch/x86/kernel/cpu/mce/inject.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index 7b360731fc2d..4e86d97f9653 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -74,6 +74,7 @@ MCE_INJECT_SET(status); MCE_INJECT_SET(misc); MCE_INJECT_SET(addr); MCE_INJECT_SET(synd); +MCE_INJECT_SET(ipid); #define MCE_INJECT_GET(reg) \ static int inj_##reg##_get(void *data, u64 *val) \ @@ -88,11 +89,13 @@ MCE_INJECT_GET(status); MCE_INJECT_GET(misc); MCE_INJECT_GET(addr); MCE_INJECT_GET(synd); +MCE_INJECT_GET(ipid); DEFINE_SIMPLE_ATTRIBUTE(status_fops, inj_status_get, inj_status_set, "%llx\n"); DEFINE_SIMPLE_ATTRIBUTE(misc_fops, inj_misc_get, inj_misc_set, "%llx\n"); DEFINE_SIMPLE_ATTRIBUTE(addr_fops, inj_addr_get, inj_addr_set, "%llx\n"); DEFINE_SIMPLE_ATTRIBUTE(synd_fops, inj_synd_get, inj_synd_set, "%llx\n"); +DEFINE_SIMPLE_ATTRIBUTE(ipid_fops, inj_ipid_get, inj_ipid_set, "%llx\n"); static void setup_inj_struct(struct mce *m) { @@ -629,6 +632,8 @@ static const char readme_msg[] = "\t is present in hardware. \n" "\t - \"th\": Trigger APIC interrupt for Threshold errors. Causes threshold \n" "\t APIC interrupt handler to handle the error. \n" +"\n" +"ipid:\t IPID (AMD-specific)\n" "\n"; static ssize_t @@ -652,6 +657,7 @@ static struct dfs_node { { .name = "misc", .fops = &misc_fops, .perm = S_IRUSR | S_IWUSR }, { .name = "addr", .fops = &addr_fops, .perm = S_IRUSR | S_IWUSR }, { .name = "synd", .fops = &synd_fops, .perm = S_IRUSR | S_IWUSR }, + { .name = "ipid", .fops = &ipid_fops, .perm = S_IRUSR | S_IWUSR }, { .name = "bank", .fops = &bank_fops, .perm = S_IRUSR | S_IWUSR }, { .name = "flags", .fops = &flags_fops, .perm = S_IRUSR | S_IWUSR }, { .name = "cpu", .fops = &extcpu_fops, .perm = S_IRUSR | S_IWUSR }, |