[patch v2 01/13] x86: Remove support for UV1 platform from uv_time.c

From: steve.wahl@hpe.com
To: Steve Wahl <steve.wahl@hpe.com>, Jonathan Corbet <corbet@lwn.net>,
	Ard Biesheuvel <ardb@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Darren Hart <dvhart@infradead.org>,
	Andy Shevchenko <andy@infradead.org>,
	Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
	Juergen Gross <jgross@suse.com>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	Oliver Neukum <oneukum@suse.com>,
	Mike Travis <mike.travis@hpe.com>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Benjamin Thiel <b.thiel@posteo.de>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	James Morris <jmorris@namei.org>,
	David Howells <dhowells@redhat.com>,
	Kees Cook <keescook@chromium.org>, Dave Young <dyoung@redhat.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Logan Gunthorpe <logang@deltatee.com>,
	Alexandre Chartre <alexandre.chartre@oracle.com>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	Austin Kim <austindh.kim@gmail.com>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-efi@vger.kernel.org
Cc: Russ Anderson <rja@hpe.com>
Subject: [patch v2 01/13] x86: Remove support for UV1 platform from uv_time.c
Date: Thu, 09 Jul 2020 09:54:48 -0500	[thread overview]
Message-ID: <20200709145447.709389827@hpe.com> (raw)
In-Reply-To: 20200709145447.549145421@hpe.com

arch/x86/platform/uv/uv_time.c: remove UV1 support

Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
---
 arch/x86/platform/uv/uv_time.c |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

--- linux.orig/arch/x86/platform/uv/uv_time.c	2020-07-07 10:49:50.565510013 -0500
+++ linux/arch/x86/platform/uv/uv_time.c	2020-07-07 10:56:13.473047822 -0500
@@ -74,7 +74,6 @@ static void uv_rtc_send_IPI(int cpu)
 
 	apicid = cpu_physical_id(cpu);
 	pnode = uv_apicid_to_pnode(apicid);
-	apicid |= uv_apicid_hibits;
 	val = (1UL << UVH_IPI_INT_SEND_SHFT) |
 	      (apicid << UVH_IPI_INT_APIC_ID_SHFT) |
 	      (X86_PLATFORM_IPI_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
@@ -85,10 +84,7 @@ static void uv_rtc_send_IPI(int cpu)
 /* Check for an RTC interrupt pending */
 static int uv_intr_pending(int pnode)
 {
-	if (is_uv1_hub())
-		return uv_read_global_mmr64(pnode, UVH_EVENT_OCCURRED0) &
-			UV1H_EVENT_OCCURRED0_RTC1_MASK;
-	else if (is_uvx_hub())
+	if (is_uvx_hub())
 		return uv_read_global_mmr64(pnode, UVXH_EVENT_OCCURRED2) &
 			UVXH_EVENT_OCCURRED2_RTC_1_MASK;
 	return 0;
@@ -98,19 +94,15 @@ static int uv_intr_pending(int pnode)
 static int uv_setup_intr(int cpu, u64 expires)
 {
 	u64 val;
-	unsigned long apicid = cpu_physical_id(cpu) | uv_apicid_hibits;
+	unsigned long apicid = cpu_physical_id(cpu);
 	int pnode = uv_cpu_to_pnode(cpu);
 
 	uv_write_global_mmr64(pnode, UVH_RTC1_INT_CONFIG,
 		UVH_RTC1_INT_CONFIG_M_MASK);
 	uv_write_global_mmr64(pnode, UVH_INT_CMPB, -1L);
 
-	if (is_uv1_hub())
-		uv_write_global_mmr64(pnode, UVH_EVENT_OCCURRED0_ALIAS,
-				UV1H_EVENT_OCCURRED0_RTC1_MASK);
-	else
-		uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
-				UVXH_EVENT_OCCURRED2_RTC_1_MASK);
+	uv_write_global_mmr64(pnode, UVXH_EVENT_OCCURRED2_ALIAS,
+			      UVXH_EVENT_OCCURRED2_RTC_1_MASK);
 
 	val = (X86_PLATFORM_IPI_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
 		((u64)apicid << UVH_RTC1_INT_CONFIG_APIC_ID_SHFT);

