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Peter Anvin" , Thomas Gleixner , Borislav Petkov , Ard Biesheuvel , "Rafael J . Wysocki" , Len Brown , Pavel Machek , Brian Gerst Subject: [PATCH v2 2/4] x86/acpi/suspend: Remove segment reloads on resume Date: Tue, 3 Feb 2026 12:58:19 -0500 Message-ID: <20260203175821.511847-3-brgerst@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260203175821.511847-1-brgerst@gmail.com> References: <20260203175821.511847-1-brgerst@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" common_startup_64() has set the segments to usable values already, and they will be restored later in restore_processor_state(). Remove the redundant segment loads in wakeup_long64().. Signed-off-by: Brian Gerst --- arch/x86/kernel/acpi/wakeup_64.S | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup= _64.S index 3d56610f0108..099401ef2ea4 100644 --- a/arch/x86/kernel/acpi/wakeup_64.S +++ b/arch/x86/kernel/acpi/wakeup_64.S @@ -28,12 +28,6 @@ SYM_FUNC_START(wakeup_long64) 1: jmp 1b 2: - movw $__KERNEL_DS, %ax - movw %ax, %ss=09 - movw %ax, %ds - movw %ax, %es - movw %ax, %fs - movw %ax, %gs movq saved_rsp(%rip), %rsp =20 movq saved_rbx(%rip), %rbx --=20 2.52.0