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Message-ID: <tip-c0ec382e1928402031e754ad0391ecbdabb18c43@git.kernel.org>
Date: Tue, 24 Nov 2015 01:31:14 -0800
From: tip-bot for Borislav Petkov <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: bp@...en8.de, bp@...e.de, luto@...capital.net, brgerst@...il.com,
dvlasenk@...hat.com, peterz@...radead.org, tglx@...utronix.de,
tony.luck@...el.com, mingo@...nel.org, hpa@...or.com,
torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [tip:ras/core] x86/RAS: Remove mce.usable_addr
Commit-ID: c0ec382e1928402031e754ad0391ecbdabb18c43
Gitweb: http://git.kernel.org/tip/c0ec382e1928402031e754ad0391ecbdabb18c43
Author: Borislav Petkov <bp@...e.de>
AuthorDate: Tue, 24 Nov 2015 08:41:18 +0100
Committer: Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 24 Nov 2015 09:12:35 +0100
x86/RAS: Remove mce.usable_addr
It is useless and we can use the function instead. Besides,
mcelog(8) hasn't managed to make use of it yet. So kill it.
Signed-off-by: Borislav Petkov <bp@...e.de>
Acked-by: Tony Luck <tony.luck@...el.com>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1448350880-5573-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
arch/x86/include/uapi/asm/mce.h | 2 +-
arch/x86/kernel/cpu/mcheck/mce.c | 12 ++++--------
2 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h
index 03429da..2184943 100644
--- a/arch/x86/include/uapi/asm/mce.h
+++ b/arch/x86/include/uapi/asm/mce.h
@@ -16,7 +16,7 @@ struct mce {
__u8 cpuvendor; /* cpu vendor as encoded in system.h */
__u8 inject_flags; /* software inject flags */
__u8 severity;
- __u8 usable_addr;
+ __u8 pad;
__u32 cpuid; /* CPUID 1 EAX */
__u8 cs; /* code segment */
__u8 bank; /* machine check bank */
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 6531cb4..fb8b1db 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -484,7 +484,7 @@ static int srao_decode_notifier(struct notifier_block *nb, unsigned long val,
if (!mce)
return NOTIFY_DONE;
- if (mce->usable_addr && (mce->severity == MCE_AO_SEVERITY)) {
+ if (mce_usable_address(mce) && (mce->severity == MCE_AO_SEVERITY)) {
pfn = mce->addr >> PAGE_SHIFT;
memory_failure(pfn, MCE_VECTOR, 0);
}
@@ -610,12 +610,9 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
severity = mce_severity(&m, mca_cfg.tolerant, NULL, false);
- if (severity == MCE_DEFERRED_SEVERITY && memory_error(&m)) {
- if (m.status & MCI_STATUS_ADDRV) {
+ if (severity == MCE_DEFERRED_SEVERITY && memory_error(&m))
+ if (m.status & MCI_STATUS_ADDRV)
m.severity = severity;
- m.usable_addr = mce_usable_address(&m);
- }
- }
/*
* Don't get the IP here because it's unlikely to
@@ -623,7 +620,7 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
*/
if (!(flags & MCP_DONTLOG) && !mca_cfg.dont_log_ce)
mce_log(&m);
- else if (m.usable_addr) {
+ else if (mce_usable_address(&m)) {
/*
* Although we skipped logging this, we still want
* to take action. Add to the pool so the registered
@@ -1091,7 +1088,6 @@ void do_machine_check(struct pt_regs *regs, long error_code)
/* assuming valid severity level != 0 */
m.severity = severity;
- m.usable_addr = mce_usable_address(&m);
mce_log(&m);
--
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