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authorGanesh Goudar <ganeshgr@linux.ibm.com>2019-04-15 13:05:44 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-04-20 15:02:35 +0300
commit7f177f9810ada8ec2e8b378eddbe2d91fda79c9b (patch)
treee0c9192e60fb0fdc3f864563e0485c42dfb3a1df /arch/powerpc/kernel
parent4df2cb633b5b22ba152511f1a55e718efca6c0d9 (diff)
downloadlinux-7f177f9810ada8ec2e8b378eddbe2d91fda79c9b.tar.xz
powerpc/pseries: hwpoison the pages upon hitting UE
Add support to hwpoison the pages upon hitting machine check exception. This patch queues the address where UE is hit to percpu array and schedules work to plumb it into memory poison infrastructure. Reviewed-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> [mpe: Combine #ifdefs, drop PPC_BIT8(), and empty inline stub] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/mce_power.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c
index 6b800eec31f2..367fbfa2e835 100644
--- a/arch/powerpc/kernel/mce_power.c
+++ b/arch/powerpc/kernel/mce_power.c
@@ -36,7 +36,7 @@
* Convert an address related to an mm to a PFN. NOTE: we are in real
* mode, we could potentially race with page table updates.
*/
-static unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr)
+unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr)
{
pte_t *ptep;
unsigned long flags;