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From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
	"andreas@gaisler.com"	 <andreas@gaisler.com>,
	"anthony.yznaga@oracle.com" <anthony.yznaga@oracle.com>,
	 "davem@davemloft.net"	 <davem@davemloft.net>,
	"david@redhat.com" <david@redhat.com>,
	 "sparclinux@vger.kernel.org"	 <sparclinux@vger.kernel.org>
Cc: "agordeev@linux.ibm.com" <agordeev@linux.ibm.com>,
	"osalvador@suse.de" <osalvador@suse.de>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"will@kernel.org" <will@kernel.org>,
	 "mroos@linux.ee" <mroos@linux.ee>,
	"ryan.roberts@arm.com" <ryan.roberts@arm.com>
Subject: Re: Found it - was: Re: [PATCH] sparc64: fix hugetlb for sun4u
Date: Thu, 21 Aug 2025 18:42:35 +0200	[thread overview]
Message-ID: <dcc3a478c4f31059686dca38691c4d135d16dc7d.camel@physik.fu-berlin.de> (raw)
In-Reply-To: <611a33b02282130d4015b5b8feeda8c46d249320.camel@intel.com>

Hi,

On Thu, 2025-08-21 at 15:03 +0000, Edgecombe, Rick P wrote:
> And actually one of the architectures that was broken was sparc, which got fixed in
> d3c976c14ad8 ("sparc64: Fix regression in non-hypervisor TLB flush xcall"). John
> was going to explore whether the fix might have been incomplete.

Investigations regarding the origin of the problem are still ongoing. The issue is
definitely related to SPARC-specific mm code, more specifically the TLB management
code on Cheetah-based UltraSPARC systems.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

  reply	other threads:[~2025-08-21 16:46 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-16  1:24 [PATCH] sparc64: fix hugetlb for sun4u Anthony Yznaga
2025-07-16  6:18 ` John Paul Adrian Glaubitz
2025-07-16  8:41   ` John Paul Adrian Glaubitz
2025-07-16 16:47     ` Anthony Yznaga
2025-07-24 10:52     ` John Paul Adrian Glaubitz
2025-07-25  5:59 ` John Paul Adrian Glaubitz
2025-07-25 20:46 ` John Paul Adrian Glaubitz
2025-07-25 21:09   ` John Paul Adrian Glaubitz
2025-08-08 21:31 ` John Paul Adrian Glaubitz
2025-08-08 22:15   ` Anthony Yznaga
2025-08-08 22:37     ` John Paul Adrian Glaubitz
2025-08-09  6:23       ` John Paul Adrian Glaubitz
2025-08-09  6:26         ` John Paul Adrian Glaubitz
2025-08-09  6:42           ` John Paul Adrian Glaubitz
2025-08-10  9:52             ` John Paul Adrian Glaubitz
2025-08-10 22:20               ` John Paul Adrian Glaubitz
2025-08-11  8:25                 ` David Hildenbrand
2025-08-11 10:44                 ` John Paul Adrian Glaubitz
2025-08-11 11:06                   ` John Paul Adrian Glaubitz
2025-08-12 12:32                   ` Found it - was: " John Paul Adrian Glaubitz
2025-08-12 12:34                     ` John Paul Adrian Glaubitz
2025-08-21 12:52                     ` David Hildenbrand
2025-08-21 15:03                       ` Edgecombe, Rick P
2025-08-21 16:42                         ` John Paul Adrian Glaubitz [this message]
2025-08-11  8:20         ` David Hildenbrand
2025-08-11  8:28           ` John Paul Adrian Glaubitz

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