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From: Hedi Berriche <hedi.berriche@hpe.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org, linux-efi@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Hedi Berriche <hedi.berriche@hpe.com>,
	Russ Anderson <rja@hpe.com>, Mike Travis <mike.travis@hpe.com>,
	Dimitri Sivanich <sivanich@hpe.com>,
	Steve Wahl <steve.wahl@hpe.com>
Subject: [PATCH 2/3] x86/platform/UV: kill uv_bios_call_reentrant() as it has no callers
Date: Wed,  9 Jan 2019 10:45:40 +0000	[thread overview]
Message-ID: <20190109104541.25733-3-hedi.berriche@hpe.com> (raw)
In-Reply-To: <20190109104541.25733-1-hedi.berriche@hpe.com>

uv_bios_call_reentrant() has no callers nor is it exported, kill it.

Signed-off-by: Hedi Berriche <hedi.berriche@hpe.com>
Reviewed-by: Russ Anderson <rja@hpe.com>
Reviewed-by: Mike Travis <mike.travis@hpe.com>
Reviewed-by: Dimitri Sivanich <sivanich@hpe.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
---
 arch/x86/include/asm/uv/bios.h |  1 -
 arch/x86/platform/uv/bios_uv.c | 12 ------------
 2 files changed, 13 deletions(-)

diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index e652a7cc6186..4eee646544b2 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -140,7 +140,6 @@ enum uv_memprotect {
  */
 extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
 extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
-extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
 
 extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *, long *);
 extern s64 uv_bios_freq_base(u64, u64 *);
diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c
index 4a6a5a26c582..cd05af157763 100644
--- a/arch/x86/platform/uv/bios_uv.c
+++ b/arch/x86/platform/uv/bios_uv.c
@@ -66,18 +66,6 @@ s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
 	return ret;
 }
 
-s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
-					u64 a4, u64 a5)
-{
-	s64 ret;
-
-	preempt_disable();
-	ret = uv_bios_call(which, a1, a2, a3, a4, a5);
-	preempt_enable();
-
-	return ret;
-}
-
 
 long sn_partition_id;
 EXPORT_SYMBOL_GPL(sn_partition_id);
-- 
2.20.0


  parent reply	other threads:[~2019-01-09 10:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-09 10:45 [PATCH 0/3] Protect against concurrent calls into UV BIOS Hedi Berriche
2019-01-09 10:45 ` [PATCH 1/3] efi/x86: turn EFI runtime semaphore into a global lock Hedi Berriche
2019-01-15 18:55   ` Thomas Gleixner
2019-01-15 19:35     ` Hedi Berriche
2019-01-26 14:03   ` Ard Biesheuvel
2019-01-09 10:45 ` Hedi Berriche [this message]
2019-01-26 14:04   ` [PATCH 2/3] x86/platform/UV: kill uv_bios_call_reentrant() as it has no callers Ard Biesheuvel
2019-01-09 10:45 ` [PATCH 3/3] x86/platform/UV: use efi_runtime_sem to serialise BIOS calls Hedi Berriche
2019-01-10  7:13   ` Bhupesh Sharma
2019-01-14 11:30     ` Hedi Berriche
2019-01-26 14:10   ` Ard Biesheuvel

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