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version 1.50, 2020/05/07 20:33:39 version 1.51, 2020/05/07 22:17:41
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     <li>Improvements in the <a href="https://man.openbsd.org/em">em(4)</a> driver.      <li>Improvements in the <a href="https://man.openbsd.org/em">em(4)</a> driver.
     <li>Added <a href="https://man.openbsd.org/dsxrtc">dsxrtc(4)</a>,      <li>Added <a href="https://man.openbsd.org/dsxrtc">dsxrtc(4)</a>,
         a driver for the Maxim DS3231/DS3232 I2C RTC.          a driver for the Maxim DS3231/DS3232 I2C RTC.
     <li>Enabled use of <a href="https://man.openbsd.org/em">em(4)</a> with MSI-X.  
     <li>Added <a href="https://man.openbsd.org/ure">ure(4)</a> support      <li>Added <a href="https://man.openbsd.org/ure">ure(4)</a> support
         for Lenovo OneLine Plus Dock Ethernet.          for Lenovo OneLine Plus Dock Ethernet.
     <li>Improved <a href="https://man.openbsd.org/ucom">ucom(4)</a> to      <li>Improved <a href="https://man.openbsd.org/ucom">ucom(4)</a> to
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     <li>Added <a href="https://man.openbsd.org/rge">rge(4)</a>, a driver      <li>Added <a href="https://man.openbsd.org/rge">rge(4)</a>, a driver
         for the Realtek 8125 PCI Express 2.5Gb Ethernet devices.          for the Realtek 8125 PCI Express 2.5Gb Ethernet devices.
     <li>Fixed cursor issues and suspend/resume on <a      <li>Fixed cursor issues and suspend/resume on <a
         href="https://man.openbsd.org/amdgpu">amdgpu(4)</a> due to incomplete          href="https://man.openbsd.org/amdgpu">amdgpu(4)</a> and
         unmapping. This may help <a          <a href="https://man.openbsd.org/radeondrm">radeondrm(4)</a>.
         href="https://man.openbsd.org/radeondrm">radeondrm(4)</a> issues as  
         well.  
     <li>Enabled mmhub power gating on picasso within <a  
         href="https://man.openbsd.org/amdgpu">amdgpu(4)</a>.  
     <li>Fixed support for additional I2C busses in <a      <li>Fixed support for additional I2C busses in <a
         href="https://man.openbsd.org/piixpm">piixpm(4)</a> for older SB800          href="https://man.openbsd.org/piixpm">piixpm(4)</a> for older SB800
         SMBus controllers. Prevented sensors from attaching four times on old          SMBus controllers. Prevented sensors from attaching four times on old
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     <li>Prevented <a href="https://man.openbsd.org/mcx">mcx(4)</a>      <li>Prevented <a href="https://man.openbsd.org/mcx">mcx(4)</a>
         interface lockups due to completion queue overflow.          interface lockups due to completion queue overflow.
     <li>Fixed brightness keys on the x395 and other thinkpads with AMD graphics.      <li>Fixed brightness keys on various laptops with AMD graphics.
     <li>Fixed brightness controls on certain machines where the      <li>Fixed brightness controls on machines where the
         initial brightness values are returned out of range.          initial brightness values are returned out of range.
     <li>Made <a  
         href="https://man.openbsd.org/acpivout">acpivout(4)</a> stop calling  
         ACPI methods directly to allow changing brightness other ways on  
         certain machines, including the x395.  
     <li>Set the default brightness level on attachment for <a      <li>Set the default brightness level on attachment for <a
         href="https://man.openbsd.org/pwmbl">pwmbl(4)</a>.          href="https://man.openbsd.org/pwmbl">pwmbl(4)</a>.
     <li>Fixed <a      <li>Fixed <a
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         href="https://man.openbsd.org/acpivout">acpivout(4)</a> to increment          href="https://man.openbsd.org/acpivout">acpivout(4)</a> to increment
         and decrement screen brightness based only on brightness level changes          and decrement screen brightness based only on brightness level changes
         of 5% or higher.          of 5% or higher.
     <li>Added <a href="https://man.openbsd.org/amlsm">amlsm(4)</a>, a  
         driver for the "secure monitor" firmware interface.  
     <li>Fixed Etron EJ168 USB 3.0 Host Controllers via USB 2 devices.      <li>Fixed Etron EJ168 USB 3.0 Host Controllers via USB 2 devices.
     <li>Added support for the SIERRA MC7700 to <a      <li>Added support for the SIERRA MC7700 to <a
         href="https://man.openbsd.org/umsm">umsm(4)</a> UMTS and LTE modem device.          href="https://man.openbsd.org/umsm">umsm(4)</a> UMTS and LTE modem device.
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         the volume as the root device and boot off hardware RAID.          the volume as the root device and boot off hardware RAID.
     <li>Populated logical disk port WWNs with their RAID volume's WWID      <li>Populated logical disk port WWNs with their RAID volume's WWID
         in <a href="https://man.openbsd.org/mpii">mpii(4)</a>.          in <a href="https://man.openbsd.org/mpii">mpii(4)</a>.
     <li>Added <a  
         href="https://man.openbsd.org/amdgpio">amdgpio(4)</a>, a driver for  
         the GPIO controller found on newer AMD SoC/chipsets.  
     <li>Added <a href="https://man.openbsd.org/fido">fido(4)</a>, an      <li>Added <a href="https://man.openbsd.org/fido">fido(4)</a>, an
         HID driver for FIDO/U2F security keys.          HID driver for FIDO/U2F security keys.
     <li>Added parsing of DDR4 and LPDDDR3/4 SPD memories to <a      <li>Added parsing of DDR4 and LPDDDR3/4 SPD memories to <a
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     <li>Added support to <a      <li>Added support to <a
         href="https://man.openbsd.org/lm">lm(4)</a> for NCT6775F, NCT5104D,          href="https://man.openbsd.org/lm">lm(4)</a> for NCT6775F, NCT5104D,
         NCT6779D and NCT679[1235]D sensors.          NCT6779D and NCT679[1235]D sensors.
     <li>Added AMD FCH (KERNCZ) to the list of supported devices in <a  
         href="https://man.openbsd.org/piixpm">piixpm(4)</a>.  
     <li>Updated <a href="https://man.openbsd.org/piixpm">piixpm(4)</a>      <li>Updated <a href="https://man.openbsd.org/piixpm">piixpm(4)</a>
         to support newer AMD chips like Hudson-2 and KERNCZ and implemented          to support newer AMD chips like Hudson-2 and KERNCZ and implemented
         multi-bus support for SB800, Hudson-2 and KERNCZ.          multi-bus support for SB800, Hudson-2 and KERNCZ.
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     <li>Fixed endian swapping in <a      <li>Fixed endian swapping in <a
         href="https://man.openbsd.org/xhci">xhci(4)</a>, allowing it to work          href="https://man.openbsd.org/xhci">xhci(4)</a>, allowing it to work
         again on octeon and other big endian architectures.          again on octeon and other big endian architectures.
     <li>Added <a href="https://man.openbsd.org/sxisid">sxisid(4)</a>,  
         a driver to read the on-chip eFuses.  
     <li>On newer ThinkPads reporting HKEY version > 1, allowed <a  
         href="https://man.openbsd.org/acpivout">acpivout(4)</a> to claim  
         backlight controls rather than <a  
         href="https://man.openbsd.org/wscons">wscons(4)</a>, allowing use of  
         the fine-grained backlight BCL steps defined in <a  
         href="https://man.openbsd.org/acpi">acpi(4)</a>.  
     <li>Implemented the "parallel boot" feature on compatible sparc64 firmware.      <li>Implemented the "parallel boot" feature on compatible sparc64 firmware.
     <li>Introduced <a href="https://man.openbsd.org/iwx">iwx(4)</a>, a      <li>Introduced <a href="https://man.openbsd.org/iwx">iwx(4)</a>, a
         driver for Intel AX200 WiFi devices.          driver for Intel AX200 WiFi devices.
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 <li>Removed hardware support  <li>Removed hardware support
   <ul>    <ul>
         <li>Removed sitaracm(4), for the Sitara ARM control module device integrated in AM335X SoCs.  
         <li>Removed the rtfps(4) driver, a multiplexing serial communications interface for IBM RT PC boards          <li>Removed the rtfps(4) driver, a multiplexing serial communications interface for IBM RT PC boards
         <li>Removed the sli(4), the Emulex LightPulse Fibre Channel SCSI interface driver.  
         <li>Removed the dpt(4) driver for DPT EATA SCSI RAID.          <li>Removed the dpt(4) driver for DPT EATA SCSI RAID.
         <li>Removed gpr(4), a driver for GemPlus GPR400 PCMCIA smartcard readers.          <li>Removed gpr(4), a driver for GemPlus GPR400 PCMCIA smartcard readers.
         <li>Removed mesh(4), a driver for old world Apple Power Macintosh SCSI cards.          <li>Removed mesh(4), a driver for old world Apple Power Macintosh SCSI cards.
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 and <a href="https://www.openbsd.org/armv7.html">armv7</a> hardware support, including:  and <a href="https://www.openbsd.org/armv7.html">armv7</a> hardware support, including:
   <ul>    <ul>
     <li>Better hardware support for the i.MX8MM platform.      <li>Better hardware support for the i.MX8MM platform.
     <li>Better support for Raspbery Pi 3 and 4      <li>Support for the Raspberry Pi 4 on arm64.
       <li>Better support for the Raspbery Pi 3 on arm64.
       <li>Proper support for the Raspberry Pi 2 and 3 on armv7.
     <li>Better support for Rockchip based systems, especially the Pinebook Pro.      <li>Better support for Rockchip based systems, especially the Pinebook Pro.
     <li>Added arm64 support for lldb.  
     <li>Switched USB to use non-coherent buffers for data transfers, dramatically improving performance on some ARM SoCs where the USB controller is not coherent with the caches.      <li>Switched USB to use non-coherent buffers for data transfers, dramatically improving performance on some ARM SoCs where the USB controller is not coherent with the caches.
     <li>Resolved syscall speculation in armv7 cpus as in arm64, changing the system call ABI to skip two instructions and inserting speculation-blocking sequences.      <li>Allowed switching to framebuffer "glass" console on armv7 in the bootloader, mirroring previous changes to arm64.
     <li>Added /dev/drm[0-3] on arm64.  
     <li>Allowed switching to framebuffer "glass" console on armv7, mirroring previous changes to arm64.  
     <li>Corrected cache flush operations on arm64 which were being incorrectly treated as write operations. This fixes a bug where cache flushing caused Firefox to abort.      <li>Corrected cache flush operations on arm64 which were being incorrectly treated as write operations. This fixes a bug where cache flushing caused Firefox to abort.
     <li>Added the capability for armv7 boot from another block device than the one from which efiboot was loaded.      <li>Added the capability for armv7 boot from another block device than the one from which efiboot was loaded.
     <li>Enabled <a href="https://man.openbsd.org/umt">umt(4)</a> (USB HID multitouch touchpad devices) on arm64.      <li>Enabled <a href="https://man.openbsd.org/umt">umt(4)</a> (USB HID multitouch touchpad devices) on arm64.
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     <li>Added <a href="https://man.openbsd.org/bcmclock">bcmclock(4)</a>, a driver for the BCM283X CPRMAN clock controller.      <li>Added <a href="https://man.openbsd.org/bcmclock">bcmclock(4)</a>, a driver for the BCM283X CPRMAN clock controller.
     <li>Added <a href="https://man.openbsd.org/bcmmbox">bcmmbox(4)</a>, a driver for the VideoCore messagebox interface on BCM283X.      <li>Added <a href="https://man.openbsd.org/bcmmbox">bcmmbox(4)</a>, a driver for the VideoCore messagebox interface on BCM283X.
     <li>Added <a href="https://man.openbsd.org/bcmpcie">bcmpcie(4)</a>, a driver for the PCIe controller found on the Raspberry Pi 4.      <li>Added <a href="https://man.openbsd.org/bcmpcie">bcmpcie(4)</a>, a driver for the PCIe controller found on the Raspberry Pi 4.
   
   
     <li>Added <a href="https://man.openbsd.org/bse">bse(4)</a>, a driver for the Broadcom GENET v5 network interface found on the Raspberry Pi 4.      <li>Added <a href="https://man.openbsd.org/bse">bse(4)</a>, a driver for the Broadcom GENET v5 network interface found on the Raspberry Pi 4.
     <li>Added <a href="https://man.openbsd.org/brgphy">brgphy(4)</a> support for the Broadcom BCM54210E.      <li>Added <a href="https://man.openbsd.org/brgphy">brgphy(4)</a> support for the Broadcom BCM54210E.
     <li>Added support for the Armada 3720 CPU clock to <a href="https://man.openbsd.org/mvclock">mvclock(4)</a>.      <li>Added support for the Armada 3720 CPU clock to <a href="https://man.openbsd.org/mvclock">mvclock(4)</a>.
     <li>Fixed <a href="https://man.openbsd.org/mvneta">mvneta(4)</a> on arm64.      <li>Fixed address filter in <a href="https://man.openbsd.org/mvneta">mvneta(4)</a>.
     <li>Added <a href="https://man.openbsd.org/omcm">omcm(4)</a>, <a href="https://man.openbsd.org/omclock">omclock(4)</a> and <a href="https://man.openbsd.org/omsysc">omsysc(4)</a> drivers that support the new bus structure used in current mainline Linux device trees.      <li>Added <a href="https://man.openbsd.org/omcm">omcm(4)</a>, <a href="https://man.openbsd.org/omclock">omclock(4)</a> and <a href="https://man.openbsd.org/omsysc">omsysc(4)</a> drivers that support the new bus structure used in current mainline Linux device trees.
     <li>Added <a href="https://man.openbsd.org/omrng">omrng(4)</a>, a driver for the random number generator found on TI OMAP SoCs.      <li>Added <a href="https://man.openbsd.org/omrng">omrng(4)</a>, a driver for the random number generator found on TI OMAP SoCs.
     <li>Fixed the MAC address on Pandaboard-ES by increasing <a href="https://man.openbsd.org/smsc">smsc(4)</a> buffer size used to fetch device tree properties.      <li>Fixed the MAC address on Pandaboard-ES by increasing <a href="https://man.openbsd.org/smsc">smsc(4)</a> buffer size used to fetch device tree properties.
     <li>Added support for additional Allwinner A80 clocks and resets in <a href="https://man.openbsd.org/sxiccmu">sxiccmu(4)</a>.      <li>Added support for additional Allwinner A80 clocks and resets in <a href="https://man.openbsd.org/sxiccmu">sxiccmu(4)</a>.
     <li>Fixed <a href="https://man.openbsd.org/amlpciephy">amlpciephy(4)</a> USB3 support when USB has not been initialized by U-Boot.      <li>Fixed <a href="https://man.openbsd.org/amlpciephy">amlpciephy(4)</a> USB3 support when USB has not been initialized by U-Boot.
     <li>Fixed a crash when no device ports have been registered in ofw.  
     <li>Added clock support for i.MX8MM.      <li>Added clock support for i.MX8MM.
     <li>Fixed CPU frequency scaling support on the Librem5 Devkit.      <li>Fixed CPU frequency scaling support on the Librem5 Devkit.
     <li>Added <a href="https://man.openbsd.org/imxpwm">imxpwm(4)</a>, a driver for the PWM controller found on various NXP i.MX SoCs.      <li>Added <a href="https://man.openbsd.org/imxpwm">imxpwm(4)</a>, a driver for the PWM controller found on various NXP i.MX SoCs.
     <li>Added support for reading the i.MX8MM temperature sensors to <a href="https://man.openbsd.org/imxtmu">imxtmu(4)</a>.      <li>Added support for reading the i.MX8MM temperature sensors to <a href="https://man.openbsd.org/imxtmu">imxtmu(4)</a>.
     <li>Added <a href="https://man.openbsd.org/bdpmic">bdpmic(4)</a>, a driver for the ROHM BD71837 and BD71847 Power Management IC.      <li>Added <a href="https://man.openbsd.org/bdpmic">bdpmic(4)</a>, a driver for the ROHM BD71837 and BD71847 Power Management IC.
     <li>Fixed "ipmi0: sendcmd fails" errors when there is an <a href="https://man.openbsd.org/ipmi">ipmi(4)</a> sensor which is enumerated but has failed to be read.  
     <li>Allowed <a href="https://man.openbsd.org/ipmi">ipmi(4)</a> to attach using mmio.      <li>Allowed <a href="https://man.openbsd.org/ipmi">ipmi(4)</a> to attach using mmio.
   
     <li>Added <a href="https://man.openbsd.org/rkrng">rkrng(4)</a>, a driver for the random number generator found on various Rockchip SoCs.      <li>Added <a href="https://man.openbsd.org/rkrng">rkrng(4)</a>, a driver for the random number generator found on various Rockchip SoCs.
     <li>Added glass console support to <a href="https://man.openbsd.org/rkdrm">rkdrm(4)</a> in Rockchip SoCs.      <li>Added glass console support to <a href="https://man.openbsd.org/rkdrm">rkdrm(4)</a> in Rockchip SoCs, including kernel modesetting support.
     <li>Added <a href="https://man.openbsd.org/rkdrm">rkdrm(4)</a>, a driver providing kernel mode setting (KMS) functionality for the graphics hardware integrated on Rockchip SoCs.      <li>Added <a href="https://man.openbsd.org/rkdrm">rkdrm(4)</a>, a driver providing kernel mode setting (KMS) functionality for the graphics hardware integrated on Rockchip SoCs.
     <li>Added support for RK3328 Crypto/RNG clocks.  
     <li>Implemented the page fault handler for CMA GEM buffers and made <a href="https://man.openbsd.org/drm">drm(4)</a> attach to <a href="https://man.openbsd.org/rkdrm">rkdrm(4)</a>, making KMS work on the RK3399 SoC.  
     <li>Added <a href="https://man.openbsd.org/rkdwhdmi">rkdwhdmi(4)</a>, a driver for the HDMI transmitter found on the Rockchip RK3399 SoC.      <li>Added <a href="https://man.openbsd.org/rkdwhdmi">rkdwhdmi(4)</a>, a driver for the HDMI transmitter found on the Rockchip RK3399 SoC.
     <li>Added <a href="https://man.openbsd.org/rkanxdp">rkanxdp(4)</a>, an attachment driver for the Analogix Display Port on the RK3399.      <li>Added <a href="https://man.openbsd.org/rkanxdp">rkanxdp(4)</a>, a driver for the Analogix Display Port controller on the RK3399.
     <li>Added <a href="https://man.openbsd.org/rkvop">rkvop(4)</a>, a driver for the RK3399's Video Output Processors.      <li>Added <a href="https://man.openbsd.org/rkvop">rkvop(4)</a>, a driver for the RK3399's Video Output Processors.
     <li>Added support for the RK3399's VOP clocks to <a href="https://man.openbsd.org/rkclock">rkclock(4)</a>.  
     <li>Added <a href="https://man.openbsd.org/rkpwm">rkpwm(4)</a>, a driver for the RK3399's PWM controller.      <li>Added <a href="https://man.openbsd.org/rkpwm">rkpwm(4)</a>, a driver for the RK3399's PWM controller.
     <li>Added support for the RK3399's PWM clock to <a href="https://man.openbsd.org/rkclock">rkclock(4)</a>.  
     <li>Added <a href="https://man.openbsd.org/rkemmcphy">rkemmcphy(4)</a>, a driver for the RK3399's eMMC PHY.      <li>Added <a href="https://man.openbsd.org/rkemmcphy">rkemmcphy(4)</a>, a driver for the RK3399's eMMC PHY.
     <li>Added support for the RK3399's eMMC clock to <a href="https://man.openbsd.org/rkclock">rkclock(4)</a>.  
     <li>Added support for gen2 negotiation to <a href="https://man.openbsd.org/rkpcie">rkpcie(4)</a> and enabled gen2 link state training when the dtb is configured with max-link-speed = 2.      <li>Added support for gen2 negotiation to <a href="https://man.openbsd.org/rkpcie">rkpcie(4)</a> and enabled gen2 link state training when the dtb is configured with max-link-speed = 2.
     <li>Added panel support to <a href="https://man.openbsd.org/rkanxdp">rkanxdp(4)</a>.  
     <li>Introduced VPLL clock frequency setting to <a href="https://man.openbsd.org/rkclock">rkclock(4)</a>.  
     <li>Implemented support for read transfers larger than 32 bytes for <a href="https://man.openbsd.org/rkiic">rkiic(4)</a> controllers and registered the i2c bus, allowing future HDMI support.  
     <li>Restored enabling and setting the output tap delay in <a href="https://man.openbsd.org/rkemmcphy">rkemmcphy(4)</a>, fixing the eMMC module on the rockpro64.  
   
     <li>Enabled backlight control use on the Pinebook Pro via <a href="https://man.openbsd.org/wsconsctl">wsconsctl(8)</a>.      <li>Enabled backlight control use on the Pinebook Pro via <a href="https://man.openbsd.org/wsconsctl">wsconsctl(8)</a>.
     <li>Fixed the Pinebook Pro's trackpad by ensuring only hid_input items are accepted when walking the HID descriptor.      <li>Fixed the Pinebook Pro's trackpad by ensuring only hid_input items are accepted when walking the HID descriptor.
     <li>Fixed <a href="https://man.openbsd.org/pwmbl">pwmbl(4)</a> attachment on the Pinebook Pro.      <li>Fixed <a href="https://man.openbsd.org/pwmbl">pwmbl(4)</a> attachment on the Pinebook Pro.
     <li>Added <a href="https://man.openbsd.org/simplepanel">simplepanel(4)</a>, a driver for simple display panels. This allows enabling of the Pinebook Pro display panel.      <li>Added <a href="https://man.openbsd.org/simplepanel">simplepanel(4)</a>, a driver for simple display panels such as the one found on the Pinebook Pro.
     <li>Recognized BCM4345 rev 9 as shipped with the Pinebook Pro as an AMPAK AP6256 module in <a href="https://man.openbsd.org/bwfm">bwfm(4)</a>.      <li>Recognized BCM4345 rev 9 as shipped with the Pinebook Pro as an AMPAK AP6256 module in <a href="https://man.openbsd.org/bwfm">bwfm(4)</a>.
     <li>Improved <a href="https://man.openbsd.org/bwfm">bwfm(4)</a> on the Pinebook Pro by acking SDIO interrupts earlier on <a href="https://man.openbsd.org/dwmmc">dwmmc(4)</a>.      <li>Improved <a href="https://man.openbsd.org/bwfm">bwfm(4)</a> on the Pinebook Pro by acking SDIO interrupts earlier on <a href="https://man.openbsd.org/dwmmc">dwmmc(4)</a>.
     <li>Added <a href="https://man.openbsd.org/sxipwm">sxipwm(4)</a> and <a href="https://man.openbsd.org/pwmbl">pwmbl(4)</a>, drivers which jointly add support for the backlight controller on the Pinebook.  
   
     <li>Added <a href="https://man.openbsd.org/anxdp">anxdp(4)</a>, a driver for the Analogix Display Port controller.  
     <li>Added <a href="https://man.openbsd.org/amltemp">amltemp(4)</a>, a driver for the temperature sensors on various Amlogic SoCs.      <li>Added <a href="https://man.openbsd.org/amltemp">amltemp(4)</a>, a driver for the temperature sensors on various Amlogic SoCs.
     <li>Added thermal sensor clocks to <a href="https://man.openbsd.org/amlclock">amlclock(4)</a>.  
     <li>Added <a href="https://man.openbsd.org/pwmfan">pwmfan(4)</a>, a driver for PWM-regulated fans.      <li>Added <a href="https://man.openbsd.org/pwmfan">pwmfan(4)</a>, a driver for PWM-regulated fans.
   
   
   </ul>    </ul>
   
 <li>IEEE 802.11 wireless stack improvements and bugfixes:  <li>IEEE 802.11 wireless stack improvements and bugfixes:
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         environment at shell initialization time.          environment at shell initialization time.
     <li>Ensured the first 2MB page of the amd64 kernel is correctly      <li>Ensured the first 2MB page of the amd64 kernel is correctly
         mapped read-only in the direct map.          mapped read-only in the direct map.
     <li>Addressed an arm64 speculative execution issue by changing the      <li>Addressed an armv7/arm64 speculative execution issue by changing the
         arm64 system call ABI to skip two instructions and inserting a barrier          system call ABI to skip two instructions and inserting a barrier
         after each system call.          after each system call.
     <li>Fixed arm64 speculative execution of instructions after ERET,      <li>Fixed arm64 speculative execution of instructions after ERET,
         which had led to spectre-like effects on some processors.          which had led to spectre-like effects on some processors.

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